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Keysight Technologies

N3304A

Component Level Information

02 | Keysight | N3304A - Component Level Information

Keysight N3304A

300W Electronic Load Module

Component Level Information

Information in this packet applies to the following assemblies:

1. 5064-0106 Control Board

2. 5064-0107 300W Power Board

The following is included in this packet:

1. Component Locators

2. Schematics

3. Parts lists with Keysight Technologies, Inc. and manufacturer’s part numbers

03 | Keysight | N3304A - Component Level Information

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Component Locator

NOTE: Magnify to see component reference designators.

04 | Keysight | N3304A - Component Level Information

47UH

9140-4918

47UH

9140-4918

NL0160-7798

0.1D

NL0699-3940

464A

NL0699-3940

464A

NL0699-3940

464A

20%4700PF

2KVCER

NL0161-0555

0699-3940

464 A

0699-3940

464 A

0699-3940

464 A

0160-7988

470PFA

0699-3990

A75K

0699-3940

464A

0160-4439

1KVPM

4700PF20%

X7R16V

0160-7736

10%1UF

0699-3574

0_OHM

2.2TA20V

0180-3975

20%

0160-7798

0.1 D

0699-3937

348A

0699-3937

348A

0699-3937

348A

0160-5961

C22PF

0699-3957

2.61K A

0699-3978

21.5K A

0699-3940

464A

0699-3940

464A

40_OHM

9170-1585

40_OHM

9170-1585

40_OHM

9170-1585

FIDUCIALTOOLING

HOLE

TOOLING

HOLE

TOOLING

HOLE

MTG187

MTG187

FIDUCIALFIDUCIAL

0699-2643

0_OHM

TA10V

0180-4577

10 20%

1826-2567

LT1117CST

I O

O'

GND

0699-3926

A121

TA10V

0180-4577

10 20%

0699-2643

0_OHM

0699-2643

0_OHM

0699-2643

0_OHM

2.2

TA 20V

0180-3975

20%

0699-3970

10K A

MMBT2907

1853-0525

0699-3940

464A

0699-3940

464A

0160-7798

0.1D

S

D

G

1855-0734

2N7002

0699-3940

464A

1990-1773

HCPL-0603

0160-7798

0.1 D

1906-0291

1902-1544

0699-3970

10K A

MAX707CSA

1826-2893

PFI

MR

PFO

RESET

RESET

VCC

GND

0699-3970

10K A

1906-0358

0160-7798

0.1 D

TA 20V

0180-4535

20% 47

0160-5946

D3300PF

2.2TA20V

0180-3975

20%

0160-7798

0.1D

0699-2643

0_OHM

0699-2643

0_OHM

0160-7798

0.1D

1826-4257

LT1375BIAS

SHDN

VSW

BOOST

VIN

FB

GND VC

1990-1773

HCPL-0603

HCPL-M601

1990-1761

1990-1773

HCPL-0603

0160-7798

0.1D

1TA35V

0180-3751

20%

0699-2643

0_OHM

1826-1572

LM393

-

+

GND

VCC

0699-2643

0_OHM

0699-2643

0_OHM

0699-2643

0_OHM

0699-3931

196 A

1826-1572

LM393

-

+

GND

VCC

0699-3970

10K A

0699-3970

10K A

0160-7798

0.1 D

5081-4987

50 PIN

POST

0699-3940

464A

HCPL-M601

1990-1761

1990-1773

HCPL-0603

S

D

G

1855-0734

2N7002

MTG187

0699-3574

0_OHM

MTG187

1901-1332

TA20V

0180-4535

20%47

MC78L05ACD

1826-1402

VINVOUT

GND

0837-0444

T

MTG187

TOOLING

HOLE

FIDUCIAL

0160-5961

C22PF

1252-6163

50 PIN

POST

0160-5961

C22PF

40_OHM

9170-1585

40_OHM

9170-1585

0160-7798

0.1 D 0160-7798

0.1 D

0160-7798

0.1 D

5%

0699-4364

5001/16W

4.7

TA10V

0180-4577

10 20%

S

D

G

1855-0734

2N7002

S

D

G

1855-0734

2N7002

S

D

G

1855-0734

2N7002

0160-7798

0.1D

0699-2643

0_OHM

3.3UH

9140-1458

TA10V

0180-4577

10 20%

X7R16V

0160-7736

10%1UF

0699-3940

464A

40_OHM

9170-1585

0160-4439

1KVPM

4700PF20%

0699-3940

464A

0699-3901

10 A

0160-7798

0.1 D

0699-3970

10KA

0699-3924

100 A

X7R16V

0160-7736

10%1UF

0160-7798

0.1 D

0699-3970

10KA

0160-7798

0.1 D

0699-4016

A1M

0699-3940

464A

0699-3940

464A 0699-3940

464A

10UH

9140-1950

+VIN

-VIN

+VOUT

COM

-VOUT

0950-3916

20%4700PF

2KVCER

NL0161-0555

HCPL-M601

NL1990-1761

NL1855-0734

2N7002

S

D

G

Connector

Next ModuleModule Input

CONNECTIONS

SECONDARY

Cable header

ADCK_2

ADAT_2

-15v Detect

Q2

5

3

1

4

6

U5

C240

1

2

3

4

5

U6

L9

GND_VSB

GND_DE

R4R6 R2

R377

GND_TB1

GND_DS

C262

R10

C263

C201

GND_DS

R32

GND_ABS

+15VS

R93

GND_ABS

C261

+2.5VREF

+5VS

R376

+5VE

R25

GND_DE

SDO_1

C65

L11

GND_DS

R19

+3VS

C258

+5VS+5VS

C21

L10

R371

GND_VSB

C257

GND_OP

GND_OP

GND_OP

SDM_OUT

Q8

Q7

AD_DAT_OUT

AD_CK_OUT

+5VS

GND_OP

Q6

+5VS

GND_OP

+5VS

C254

R340

GND_DS

GND_DS

+5VS_AD

GND_DS

C16

C11C10

L6

L5

GND_DS

-15VS

C6

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

J5

C3

1HT3DF

1

MT2

R210

N3

GND_VSB

2 3 76

18

U10

-15VS

+15VS

+15VS

C20

D3

1

MT3

R342

1

MT1

GND_16DAC

Q4

4

3

5

8

6

U3

GND_DE

GND_DE

GND_DS

6

4

1

3

5

U4

R18

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

P5

C202

GND_VSB

R9 R11

GND_EXT

GND_CR

8

7

4

5

6

U8

GND_DS

R85

HS_CK

TRIG_M

SCLK

GND_CV

GND_CC

R119

R118

R30

2

3

4

1

8U8

R29

+5VS

C7

C5

+5VE

ADAT_1

GND_DE

ADCK_1

GND_DE

4

3

5

8

6

U1

5

3

1

4

6

U2

1

2

5

8

7

U1

4

5

3

1

2

7

6 8

U9

C2

SD_IN_MS

SCLK_MS

TRIG_MS

HS_CK_MS

R28

R27

+5VS

GND_DS

C23

+5VE

+5VE

C12

C18

C17

C19

D4

R12

4

1

5

7

8

2

3

U7

R13D1

D2

C8

1

2

5

8

7

U3

+5VS

GND_DS

+5VS

R24

GND_DE

Q3

+5VS

EV5+SV5+

+5VE

GND_DS

+5VS

+5VS

C22

GND_DS

GND_DE

+5VE

+5VE

+5VE

+5VE

GND_DE

GND_DS

R17

R20

Q1

R14

C13

GND_DE

GND_DE

R26

SDI_1

R129

R133

C62

R63

N1

3 2

4

1

U13

GND_ABS

GND_VSB

RESET

+15VS

+15VS

+15VS_URS

+3VS

C1

+5VE

+24VE

GND_DE

TRIG_M

ADCK_12

ADAT_12

SDO_6

SDI_6

ADAT_11

ADCK_11

ADCK_10

ADAT_10

SDO_5

SDI_5

ADAT_9

ADCK_9

ADCK_8

ADAT_8

SDO_4

SDI_4

ADAT_7

ADCK_7

ADCK_6

ADAT_6

SDO_3

SDI_3

ADAT_5

ADCK_5

ADCK_4

ADAT_4

SDO_2

SDI_2

ADAT_3

ADCK_3

SDO_1

SDI_1

ADAT_1

ADCK_1

SCLK

HS_CK

GND_DE

GND_DE

R192

GND_REFFD1 FD2

+24VE

1

MT4

1

MT5

GND_VSB

TH2TH3TH4FD4

L1

L3

L2

R21

R23

R7 R8

C4

GND_DE

ADCK_12

ADAT_12

SDO_6

SDI_6

ADAT_11

ADCK_11

ADCK_10

ADAT_10

SDO_5

SDI_5

ADAT_9

ADCK_9

ADCK_8

ADAT_8

SDO_4

SDI_4

ADAT_7

ADCK_7

ADCK_6

ADAT_6

SDO_3

SDI_3

ADAT_5

ADCK_5

ADCK_4

ADAT_4

SDO_2

SDI_2

ADAT_3

ADCK_3

SCLK

HS_CK

TRIG_M

+5VE

+24VE

1R3R5R

GND_VSB

C15

GND_APS

GND_AQS

GND_VSB

+15VS

C14

+5VS

R367

C259

C66

GND_DE

+3VS

R64

GND_ABS

R90

C264

X_RST

463R563R663R

C9

R16

R15

R22

C27

L7

L8

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Page 1 of 6

05 | Keysight | N3304A - Component Level Information

NL0699-3970

10K A

DATA

VCCCE

RESET

CEO

GND

VPP

NC1

CLK

NC2

NC3

NC4

NC5

NC6

NC7

NC8

NC9

NC10

NC11

NC12

1200-1590

5080-4998

34 PIN

POST

0160-7798

0.1 D

100PF

50V

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

0699-3970

10K A

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

100.05%

1810-1680

0699-3970

10K A

100PF

50V

0160-7798

0.1 D

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

0699-3970

10K A

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

X7R16V

0160-7828

0.110%

100PF

50V

100.05%

1810-1680

100.05%

1810-1680

64K_X_8

1818-4359

DU1

DU2

NC4

NC3

D1

D2

D3

D4

D7

D0A0

A1

A2

A4

A6

A7

A8

A9

A10

A11

CE

OE

NC2

NC1

A3

A12

A5

WE

GND

VCC

D5

D6

AT28C64B

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100.0 5%

1810-1680

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

100PF

50V

9170-1631

600_OHM

9170-1631

600_OHM

X7R16V

0160-7828

0.110%

0160-7835

100PF A

0160-7835

100PF A

0699-3924

100A

0699-3924

100A

9170-1631

600_OHM

9170-1631

600_OHM

9170-1631

600_OHM

0699-3970

10K A

0699-3970

10K A

0699-3970

10K A

1821-8715

CCLK

CS1

D0

D1

D2

D3

D4

D5

D6

D7

DONE

GCK1

GCK2

GCK3

GCK4

GCK5

GCK6

GCK7

GCK8

I/O10

I/O100

I/O101

I/O109

I/O11

I/O110

I/O113

I/O114

I/O115

I/O116

I/O117

I/O119

I/O120

I/O123

I/O124

I/O125

I/O126

I/O127

I/O129

I/O133

I/O134

I/O135

I/O136

I/O137

I/O139

I/O14

I/O141

I/O142

I/O145

I/O146

I/O147

I/O148

I/O15

I/O150

I/O151

I/O152

I/O159

I/O161

I/O162

I/O164

I/O166

I/O167

I/O168

I/O169

I/O17

I/O171

I/O172

I/O174

I/O175

I/O176

I/O177

I/O178

I/O179

I/O180

I/O181

I/O184

I/O185

I/O186

I/O187

I/O188

I/O189

I/O19

I/O190

I/O191

I/O193

I/O194

I/O196

I/O197

I/O198

I/O199

I/O20

I/O200

I/O201

I/O204

I/O205

I/O206

I/O21

I/O22

I/O23

I/O24

I/O27

I/O28

I/O29

I/O3

I/O30

I/O31

I/O32

I/O34

I/O35

I/O36

I/O37

I/O4

I/O40

I/O41

I/O42

I/O43

I/O44

I/O45

I/O46

I/O47

I/O48

I/O5

I/O57

I/O58

I/O59

I/O61

I/O62

I/O63

I/O64

I/O67

I/O68

I/O69

I/O70

I/O72

I/O73

I/O74

I/O75

I/O76

I/O8

I/O80

I/O81

I/O82

I/O83

I/O84

I/O85

I/O87

I/O88

I/O89

I/O9

I/O90

I/O93

I/O94

I/O95

I/O96

I/O97

I/O98

I/O99

I/O_HDC

I/O_INIT

I/O_LDC

M0

M1

TCK

TDI

TDO

TMS

PROGRAM

PWRDWN

XCS30XL-4TQ208C

VCC

GND

NL1251-6515

CONN

6_PIN

NL1251-6515

CONN

6_PIN

POWER BOARD Cable Header

EE PROM

5081-4998

NOTE: GROUND PIN 126 FOR DUAL MODULE

Xilinx Boot ROM

Socket 1200-1590

Programmed part 5182-9103

Blank part 1818-7790

1

2

3

4

5

6

J21

1

2

3

4

5

6

J20

155

163

153

149

138

132

128

122

112

107

104

2

49

55

102

108

154

160

207

1

103

118

13

131

143

158

170

182

195

25

38

51

66

79

91

10

100

101

109

11

110

113

114

115

116

117

119

120

123

124

125

126

127

129

133

134

135

136

137

139

14

141

142

145

146

147

148

15

150

151

152

159

161

162

164

166

167

168

169

17

171

172

174

175

176

177

178

179

180

181

184

185

186

187

188

189

19

190

191

193

194

196

197

198

199

20

200

201

204

205

206

21

22

23

24

27

28

29

3

30

31

32

34

35

36

37

4

40

41

42

43

44

45

46

47

48

5

57

58

59

61

62

63

64

67

68

69

70

72

73

74

75

76

8

80

81

82

83

84

85

87

88

89

9

90

93

94

95

96

97

98

99

56

77

60

52

50

7

6

157

16

105

121

130

140

156

173

18

183

192

208

26

33

53

71

78

86

106

54

U14

OP

OV

R379

R380

R378

N8

CR5

CR_COMP

CR3

CR2

CR1

RSW4

MUX2

MUX1

MUX0

MUX[2:0]

RSW3

RSW1

NVP

-15VS

+15VS_URS

L113

L114

L112

GND_DS

R300

R345

C244

C243

C216

+5VS

+15VS

-15VS

L111

L110

EE_OE

GND_DS

EE_OE

EE_CE

16AD1_R/C

16AD1_CS

16AD2_R/C

16AD2_CS

16AD[0:7]

16AD0

16AD1

16AD2

16AD3

16AD4

16AD5

16AD6

16AD7

8DA1S48DA1S[0:7]

8DA1S7

8DA1S6

8DA1S5

8DA1S0

8DA1S1

8DA1S2

8DA1S3

SD_IN_MS

HS_CK_MS

5

6

7

8

4

3

2

1

C50

1

2

3

4

8

7

6

5

C49

5

6

7

8

4

3

2

1

C48

1

2

3

4

8

7

6

5

C47

5

6

7

8

4

3

2

1

C46

1

2

3

4

8

7

6

5

C45

5

6

7

8

4

3

2

1

C44

1

2

3

4

8

7

6

5

C43

5

6

7

8

4

3

2

1

C42

1

2

3

4

8

7

6

5

C41

5

6

7

8

4

3

2

1

C40

1

2

3

4

8

7

6

5

C39

GND_DS

X_PORT

X_FLT

DIAG_6

8

7

6

5

R50

5

6

7

8

R49

8

7

6

5

R48

5

6

7

8

R47

5

6

7

8

R46

3

4

8

7

6

5

R45

5

6

7

8

2

1

R44

1

2

3

4

8

7

6

5

R43

5

6

7

8

4

3

2

1

R42

1

2

3

4

8

7

6

5

R41

5

6

7

8

4

3

2

1

R40

5

6

7

8

R51

ENABLE

CC_LO_RNG

CC_HI_RNG

WR_GT_DAC

AB_GT_DAC

CV_LO_RNG

CV_HI_RNG

8ADC_CS

8ADC_DO

8ADC_ADR

8ADC_CK

8ADC_EOC

1

17

30

26

14

15

18

19

22

1311

10

9

7

5

4

29

28

24

27

23

25

12

2

8

3

6

31

16

32

20

21

U16

SDM_OUT

GND_DS

5 4

3

2

1

R57

CR_SLEW_UP_RNG

16AD_BYTE

1

2

3

4

8

7

6

5

R52

4

3

2

1

C52

RESETS

C217

GND_DS

C31

C34

C36

C215

C213

C212

C214

R39

C211

C38

C210

DEE7

DEE6

DEE5

DEE4

DEE3

DEE2

DEE1

DEE0

DEE[0:7]

AEE12

AEE11

AEE10

AEE9

AEE8

AEE7

AEE6

AEE5

AEE4

AEE3

AEE2

AEE1

AEE0

AEE[0:12]

GND_DS

WE_EE

EE_CE

C30

GND_ABS

-2.5VREF

+2.5VREF

ENABLE

TEMP

GND_AQS

1

2

3

4

8

7

6

5

C60

R38

5

6

7

8

4

3

2

1

R53

1

2

3

4

8

7

6

5

R54

1

2

3

4

8

7

6

5

R56

5

6

7

8

4

3

2

1

R55

5 4

3

2

1

R59

1

2

3

45

R58

1

2

3

45

R60

5 4

3

2

1

R61

1

2

3

45

R62

1

2

3

4

8

7

6

5

C53

5

6

7

8

4

3

2

1

C54

1

2

3

4

8

7

6

5

C55

5

6

7

8

4

3

2

1

C56

5

6

7

8

4

3

2

1

C57

1

2

3

4

8

7

6

5

C58

1

2

3

4

8

7

6

5

C59

1

2

3

4

C51

R37

C37

C35

C33

N2

GND_DS

C32

CP_PROG

CR_PROG

CV_PROG

+SENSE

CC_PROG

5

6

7

8

4

3

2

1

C61

-SENSE

VMON_INV

IMON_INV

GND_APS

TRIM_DACA

GND_ABS

C28

GND_DS

GND_DS

OV

CC_UNREG

CV_UNREG

OP

TCK

TDI

GND_DS

+3VS

TDO

TMS

GND_DS

EXT_CC

EXT_CV

EXT_CR

CV_UNREG

CC_UNREG

+5VS

CCLK

X_RST

TMS

GND_DS

CE

TDI

TCK

TDO

TRIG_MS

D_CONFIG

AEE0

AEE1

AEE2

AEE3

AEE4

AEE5

AEE6

AEE7

AEE8

AEE9

AEE10

AEE11

AEE12

AEE[0:12]

WE_EE

DEE7

DEE[0:7]

DEE3

DEE2

DEE1

DEE4

DEE5

DEE6

DEE0

DIAG_1

DIAG_2

DIAG_3

DIAG_4

DIAG_5

DIAG_6

AD_CK_OUT

AD_DAT_OUT

+3VS

SCLK_MS

GND_DS

DIAG_1

DIAG_2

DIAG_3

DIAG_4

DIAG_5

CC_SLEW_DN_RNG

CC_SLEW_UP_RNG

8DAS2_WR

8DAS1_WR

16DA_CS

16DA_A1

16DA_A0

16DA_LD

8_DA_A0

8_DA_A1

8DA2S[0:7]

8DA2S5

8DA2S6

8DA2S7

8DA2S3

8DA2S4

8DA2S2

8DA2S1

8DA2S0

CV_SLEW_UP_RNG

CV_SLEW_DN_RNG

16DA1

16DA2

16DA3

16DA4

16DA5

16DA6

16DA7

16DA15

16DA14

16DA13

16DA12

16DA11

16DA10

16DA9

16DA8

16DA[0:15]

16DA0

RSW2

EN_NVP

CR_SLEW_DN_RNG

CCLK

GND_DS

X_RST

CE

D_CONFIG

+3VS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

P22

2

20

8

6

14

10

17

1

4

3

5

7

9

11

12

13

15

16

18

19

XU15

R94

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Page 2 of 6

06 | Keysight | N3304A - Component Level Information

1/8W 25

0699-1448

1%316K

X7R2KV

NL0160-7882

10%220PF

NL0699-4010

A511K

0160-7835

100PF A

0699-3039

B2.61K

TA 10V

0180-4577

1020%

TA10V

0180-4577

10 20%

0699-3901

10 A

0699-3075

B147K

10K0.1%

1/8W 25

0699-2489

1/8W 25

0699-2491

0.1%20K

0160-7798

0.1 D

0699-3035

B1.47K

0699-3964

5.11K A

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

200

5%

0699-3407

1W

100

1906-0291

0699-3964

5.11K A

0699-3964

5.11K A

0160-7798

0.1 D

0699-3964

5.11K A

0699-3964

5.11K A

0160-5944

0.047 D

0160-5944

0.047 D

1906-0291

1906-0291

200

5%

0699-3407

1W

100

0160-7798

0.1 D

0160-7798

0.1 D

FLTR

VIN

VOUT

TRIM

GND

MAX6225BCSA

1826-4286

2.2TA20V

0180-3975

20%

2.2TA20V

0180-3975

20%

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

1902-1592

5.1V_5%

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

0160-7798

0.1 D

0160-7798

0.1 D

10K0.1%

1/8W 25

0699-2489

10K0.1%

1/8W 25

0699-2489

0699-3964

5.11K A

0160-7798

0.1 D

0699-3964

5.11K A

0160-7748

B1000PF

DAC7644

1826-6706

NC1

A1

DB15

DB14

DB13

DB11

DB10

DB9

DB8

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

RSTSEL

RST

LOADDACS

DB12

R/W

A0

CS

NC3

NC2

NC4

VOUTA_SENSE

VOUTA

VREF_LAB_SENSE

VREF_LAB

VREF_HAB_SENSE

VREF_HAB

VOUTB_SENSE

VOUTC

VOUTC_SENSE

VOUTB

VREF_HCD_SENSE

VREF_HCD

VREF_LCD_SENSE

VREF_LCD

VOUTD_SENSE

VOUTD

VDDVCC

DGNDAGNDVSS

OP275

1826-

3000

-

V+

GND

+

OP275

1826-

3000

-

V+

GND

+

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

0160-7798

0.1 D

LM358

1826-

1813

-

V+

GND

+

LM358

1826-

1813

-

V+

GND

+

LM358

1826-

1813

-

V+

GND

+

LM358

1826-

1813

-

V+

GND

+

0699-3914

34.8 A

TLC7226C

1826-6707

VSS

3

DB6

OUTB

OUTC

OUTA

OUTD

VDD

WR

A1

A0

DB0

DB1

DB2

DB3

DB4

DB5

DB7

REF

AGNDDGND

6

TLC7528CDW

1826-3452

DACA/DACB

DB6

DB3

DB4

DB2

DB1

DB0

DB5

CS

WR

VDD

DB7OUTB

RFBB

OUTA

RFBA

REFB

REFA

DGNDAGND

0160-7798

0.1 D

1/8W 25

0699-2491

0.1%20K

TLC7226C

1826-6707

VSS

3

DB6

OUTB

OUTC

OUTA

OUTD

VDD

WR

A1

A0

DB0

DB1

DB2

DB3

DB4

DB5

DB7

REF

AGNDDGND

6

0160-7798

0.1 D

AD620AR

1826-2609

-

+

REF

RG

V-

V+

RG

0160-7798

0.1 D

0160-7798

0.1 D

1810-1882

10K10K

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

TL074CD

-

+

1826-

V+

GND

1622

10K0.1%

1/8W 25

0699-2489

0160-7798

0.1 D

X7R16V

0160-7736

10%1UF

X7R16V

0160-7736

10%1UF

0699-3901

10 A

TA 10V

0180-4577

1020%

0699-3039

B2.61K

0699-3039

B2.61K

1906-0291

1906-0291

0160-6103

1800PF C

0699-3039

B2.61K

9170-1631

600_OHM

9170-1631

600_OHM

0160-7835

100PF A

0160-7835

100PF A

1253-3385

POST

CONN-TP

0160-7835

100PF A

0160-7835

100PF A

9170-1631

600_OHM

9170-1631

600_OHM

9170-1631

600_OHM

9170-1631

600_OHM

0699-4016

A1M

0699-4016

A1M

0699-3926

A121

0160-7835

100PF A

9170-1631

600_OHM

0160-7835

100PF A

1906-0291

0160-7748

B1000PF

0160-7835

100PF A

0160-7798

0.1D

0160-7798

0.1D

9170-1631

600_OHM

9170-1631

600_OHM

9170-1631

600_OHM

9170-1631

600_OHM

PP2KV

0160-7929

100PF 5%

0160-7835

100PF A

9170-1631

600_OHM

0699-3901

10 A

External Program select

Quad 16 bit DAC

IMON EXT TRIM (OUTPUT)

IMON EXT TRIM (INPUT)

CONNECTOR

CUSTOMER

MODULE

+DVM

-DVM

R385

GND_DS

GND_DS

L106

C271

GND_TB1

EXT_PROG

X_PORT

C265

L100

L101

L102

L103

C93

C260

C268

GND_EXT

C88

+15VS

D10

C269

L104

C270

R88

R372

R373

L105

L109

L107

L108

C272

C273

1

2

3

4

5

6

7

8

9

10

11

12

13

14

TB1

C274

GND_TB1

C275

GND_DS

L115L116

EP_GND

R374

GND_EXT

C94

D12

D13

R348

R349

GND_DS

GND_16DAC

GND_16DAC

C79

R368

GND_DSGND_ABS

C256

C255

GND_DSGND_ABS

+15VS

C80

GND_ABS

+5VS

+15VS

R75

-15VS

-15VS

-15VS

-15VS

-15VS

-15VS

-15VS

-15VS

CV_SLEW_UP

13 14

12 4

11

U33

98

10 4

11

U33

67

54

11

U33

21

34

11

U33

13 14

12 4

11

U32

98

10 4

11

U32

67

54

11

U32

21

34

11

U32

GND_DS

GND_EXT

-15VS

N5

N4

GND_ABS

+2.5VREF

132

R66

GND_ABS

+15VS

GND_ABS

C91

C92

5

2

6

1

8

7

4

3

U29

GND_EXT

GND_EXT

GND_EXT

8DA2S0

8DA2S1

8DA2S2

8DA2S3

8DA2S4

8DA2S5

8DA2S6

8DA2S78DA2S[0:7]

GND_DS

C84

GND_ABS

GND_ABS

GND_ABS

GND_ABS

GND_ABS

CR_SLEW_DN

TRIM_DACB

CV_SLEW_DN

CC_SLEW_DN

CR_SLEW_UP

TRIM_DACA

CC_SLEW_UP

8

1

20

2

5

19

18

15

16

17

14

13

12

11

10

9

7

4

U24

GND_ABS

R302

+5VRB+2.5VRB

C63

+15VS

+15VS

6

1

8

11

10

12

13

14

9

5

15

16

17

720

19

2

3

18

4

U30

8

1

20

2

19

18

15

16

17

14

13

12

11

10

9

7

4

5

U25

GND_DS

+15VS

+15VS

+15VS

EXT_IMON_TRIM

16DA13

16DA11

16DA7

16DA9

16DA10

16DA4

16DA8

16DA6

16DA5

16DA3

16DA2

16DA1

16DA0

16DA12

16DA14

16DA15

16DA[0:15]

EXT_IPROG_REF

EXT_IPROG_TRIM

+15VS

-15VS

+15VS

-15VS

EXT_IMON_TRIM

EXT_ITRIM_REF

WR_GT_DAC

AB_GT_DAC

X_FLT

R89

8

4

7

6

5

U31

3

2

1

4

8

U31

5

6

7

4

8

U23

8

4

1

2

3

U23

GND_REF

+5VRB

GND_ABSGND_DS

GND_ABS

-15VS

C83

EXT_RPROG

+2.5VREF

EXT_VPROG

EXT_CCPROG

EXT_CC

EXT_CV

EXT_CR

13

54

12

15

14

16

U26

GND_EXT

IMON_INV

5

6

7

4

8

U28

GND_ABS

-15VS

+15VS

VMON_INV

GND_ABS

8

4

1

2

3

U28

GND_REF

GND_DS

48

21

1

2

3

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

4

20

22

23

46

47

45

44

43

42

41

40

39

38

35

36

37

34

33

32

31

30

29

25 26

7242 28

U22

8DA1S7

8DA1S0

8DA1S1

8DA1S2

8DA1S3

8DA1S4

8DA1S5

8DA1S6

8DA1S[0:7]

8DAS1_WR

C90

R74

C85

R73

R71R70

C76

C74

GND_ABS

GND_ABS

1

3

2

12

4 5

13

U26

-15VS

+15VS

9

11

10

12

4 5

13

U26

8

6

7

12

4 5

13

U26

-2.5VREF

GND_16DAC

-2.5VREF

VR1

-15VS

GND_DSGND_16DAC

CCDAC

GND_16DAC

92C28C

16DA_CS

16DA_A1

16DA_LD

GND_DS

+15VS

-2.5VREF

-15VS

C78

C70

C71

3

2

6

5

4

U20

GND_REF

+2.5VREF

C75

+2.5VREF

C77

R86

D8

D11

C89

C87

R72

R69

C86

R78R77

D7

R87

GND_DS

+5VS+15VS

-15VSGND_DS

GND_DS-15VS

+15VS+5VS

+5VS

+5VS

VMON_EXT

IMON_EXT

EXT_PROG

16DA_A0

CP_PROG

CRDAC

CVDAC

C73

7

8

1

36

4

2

U21

8_DA_A1

8_DA_A0

GND_DS-15VS

+15VS+5VS

+15VS+5VS

R65

R31

8DA2S[0:7]

8DA2S6

8DA2S5

8DA2S4

8DA2S3

8DA2S2

8DA2S1

8DA2S0

8DA2S7

8DAS2_WR

8_DA_A1

8_DA_A0

+15VS

+15VS

+15VS

C64

+15VS

+15VS

+15VS

+15VS

+15VS

+5VRB

R301

R76

EXT_ITRIM_REF

R303

+15VS

R369

C72

C81

R82

EP_GND

SV51+SV51-

IMON_EXT

VMON_EXT

-SENSE

+SENSE

C267

GND_TB1

GND_TB1

GND_TB1

GND_TB1

GND_TB1

GND_TB1

GND_TB1

GND_TB1

GND_TB1GND_VSB

+5VS

R83

C266

R304

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Page 3 of 6

07 | Keysight | N3304A - Component Level Information

1/8W25

NL0699-2843

0.1%100K

1/8W 25

0699-1448

1%316K

NL0160-6103

1800PFC

NL0160-6103

1800PFC

1810-2312

10K5K

1810-2312

10K5K

1810-2311

1K 9K

1810-2311

1K 9K

C0G50V

0160-6108

4700PF5%

C0G50V

0160-6108

4700PF5%

0699-3970

10K A

1/8W25

0699-2843

0.1%100K

0699-3957

2.61K A

0699-3957

2.61K A

1906-0291

1906-0291

1906-0291

1906-02911906-0291

1906-0291

1906-0291

1906-02911906-0291

1/8W 25

0699-2843

0.1%100K

0699-3990

A75K

1/8W 25

0699-2491

0.1%20K

1/8W 25

0699-2843

0.1%100K

1/8W 25

0699-2491

0.1%20K

0160-7835

100PF A

0160-7835

100PF A

0160-7834

A10PF0160-7834

A10PF

0699-4016

A1M

0160-7798

0.1 D

OP275

1826-

3000

-

V+

GND

+

OP275

1826-

3000

-

V+

GND

+

OP275

1826-

3000

-

V+

GND

+

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN 1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN 1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN 1826-2149

DG444DY

VL

V-GND

V+

D

SIN

OP-27

1826-

1925

V+

V-

-

+

BAL

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN 1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

0160-7798

0.1 D

OP-27

1826-

1925

V+

V-

-

+

BAL

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

0160-7798

0.1 D

OP275

1826-

3000

-

V+

GND

+

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0699-3970

10KA

0699-3970

10KA

0699-4016

A1M

0699-4016

A1M

0699-4016

A1M

0699-4016

A1M 0699-4016

A1M

TL072CD

V+

GND

1826-

1862

+

-

TL072CD

V+

GND

1826-

1862

+

-

25

0.1%249K

1/10W

0699-4653

25

0.1%249K

1/10W

0699-4653

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

10K

0699-2800

25

0.1%249K

1/10W

0699-4653

25

0.1%249K

1/10W

0699-4653

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

10K

0699-2800

25

0.1%249K

1/10W

0699-4653

25

0.1%249K

1/10W

0699-4653

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

10K

0699-2800

25

0.1%249K

1/10W

0699-4653

25

0.1%249K

1/10W

0699-4653

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

2.49K

149564

1810-1970

loaded with

CV RANGE AND SLEW CIRCUIRSCC RANGE AND SLEW CIRCUIRS

Loaded if R100 is

1810-1970

loaded withLoaded if R125 is

R104

EXT_IPROG_REF

CC_PROG

GND_CC

R138

R140

R136

R142

R36

R139

R35

R135

R130

R132

R134

R128

R131

R33

R127

R34

R113

R115

-15VS

R111

R117

R114

R112

R116

R110

R107

R105

R109

R103

R106

R108

R102

-15VS

1

4

8

3

2

U41

7

4

8

5

6

U41

GND_CC

+2.5VREFR186

+2.5VREFR184

GND_CC

R144

+6.2V

EXT_IPROG_TRIM

CCDAC

EXT_CCPROG

GND_CC

R311

CV_SLEW_UP_RNG

GND_CV

CVDAC

CV_PROG

-15VS

CC_SLEW_UP

GND_ABS

GND_ABS

CV_SLEW_UP

GND_ABS

R310

R126

R101

C124

C123

C118

GND_CV

GND_ABS

GND_ABSGND_DS

GND_ABS

GND_ABS

+15VS

-15VS

GND_ABSGND_DS

3

2

1

4

8U43

GND_ABS

GND_ABS

GND_ABS

GND_ABS

+15VS

-15VS

GND_ABS

GND_ABS

GND_ABS

GND_ABS

+15VS

-15VS

GND_ABS

GND_ABS

C97

GND_ABS

GND_DSGND_ABS

8

6

7

12

4 5

13

U38

C99

-15VS

C96

GND_ABS

GND_ABS

C120

C122

C121

C105

C107

C106

-15VS

+15VS

16

14

15

12

4 5

13

U38

2

4

6

3

187U39

C95

16

14

15

12

45

13

U45

9

11

10

12

4 5

13

U45

8

6

7

12

45

13

U45

1

3

2

12

4 5

13

U45

9

11

10

12

4 5

13

U38

1

3

2

12

45

13

U38

7

8

1

36

4

2

U35

CC_SLEW_DN_RNG

CC_SLEW_UP_RNG

CV_SLEW_DN_RNG

CV_SLEW_UP_RNG

8

6

7

12

45

13

U42

1

3

2

12

4 5

13

U42

16

14

15

12

45

13

U42

9

11

10

12

4 5

13

U42

16

14

15

12

45

13

U40

9

11

10

12

4 5

13

U40

8

6

7

12

45

13

U40

1

3

2

12

4 5

13

U40

16

14

15

12

45

13

U36

9

11

10

12

4 5

13

U36

8

6

7

12

45

13

U36

1

3

2

12

4 5

13

U36

+15VS

-15VS

+15VS

-15VS

+15VS

-15VS

+15VS

-15VS

+15VS

-15VS

CC_LO_RNG

CV_HI_RNG

CV_LO_RNG

CC_SLEW_DNCV_SLEW_DN

CV_SLEW_DN_RNG

CC_SLEW_DN_RNG

CC_SLEW_UP_RNG

+15VS

C103

C104

C101

C102

C110

C111

EXT_VPROG

GND_CV

GND_CV

GND_DS

+15VS+5VS

+5VS+15VS

-15VSGND_DS

-15VSGND_DS

GND_DS-15VS

+15VS+5VS

GND_ABS

GND_DS-15VS

+15VS+5VS+5VS+15VS

-15VSGND_DS

GND_DS

GND_DS-15VS

+15VS+5VS

+15VS+5VS

+5VS+15VS

GND_DS

GND_DS-15VS

+5VS+15VS

-15VS GND_DS

GND_DS-15VS

+15VS+5VS

+5VS+15VS

+5VS+15VS

-15VSGND_DS

GND_DS-15VS

GND_DS-15VS

+15VS+5VS+5VS+15VS

-15VSGND_DS

+5VS+15VS

-15VSGND_DS

GND_DS-15VS

GND_DS-15VS

+15VS+5VS+5VS+15VS

GND_DS

2

4

6

3

187U34

C116

C115

C119

7

8

1

36

4

2

U44

5

6

7

4

8U43

3

2

1

4

8U37

5

6

7

4

8U37

CC_HI_RNG

-15VS

+15VS+5VS+5VS+15VS

-15VS

+15VS

C98

+5VS

GND_ABS

GND_CVGND_CC

GND_CC

R145

C125C108

C100

C117

R97

R96 R122

R312

R121

D23D22

D21

D20

D27D26

D25

D24

D36

R95 R120

R124

R375

C24

C25

13

2

R100

13

2

R125

132

R98

132

R123

C109

C126

R187

R99

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Page 4 of 6

08 | Keysight | N3304A - Component Level Information

1/8W 25

NL0699-2843

0.1%100K

1855-1098

S

D

G

NL0699-3967

7.5K A

0699-4016

A1M

0699-3574

0_OHM

0699-3574

0_OHM

0699-3574

0_OHM

0160-7835

100PF A

0160-7781

B2200PF

10M

5%

500.1W

0699-3819

0699-3970

10KA

0699-3957

2.61K A

1906-0291

1906-0291

1906-02911906-0291

1906-0291

10K0.1%

1/8W 25

0699-2489

0.1%

1/8W 25

0699-2846

5K

25

0699-3763

1/8W0.1%69

25

0699-3488

1/8W0.1%487

25

0699-3803

0.1%5.62K

1/8W

25

0699-5264

0.1%26.1K

1/8W

25

0699-2671

0.1%3.74K

1/8W

25

0699-3803

0.1%5.62K

1/8W

25

0699-2720

0.1%5.11K

1/8W

1/8W 25

0699-2491

0.1%20K

0699-3987

51.1K A

0699-3974

14.7K A

0160-7834

A10PF0160-7798

0.1 D

0699-3970

10K A

0699-3970

10K A

0160-7798

0.1 D

1/8W 25

0699-2491

0.1%20K

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

OP275

1826-

3000

-

V+

GND

+

OP275

1826-

3000

-

V+

GND

+

OP275

1826-

3000

-

V+

GND

+

OP275

1826-

3000

-

V+

GND

+

0699-3970

10KA

0160-7798

0.1 D

0699-4016

A1M

0699-3970

10K A

0699-3970

10K A

0160-7798

0.1 D

0699-3978

21.5K A

0699-3978

21.5K A

0699-3990

A75K

1826-1572

LM393

-

+

GND

VCC

0699-3957

2.61K A

0160-7798

0.1 D

0160-7798

0.1 D

1826-1572

LM393

-

+

GND

VCC

0699-3924

100 A

0160-6444

0.022 D

0160-7798

0.1 D

0699-3990

A75K

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V-GND

V+

D

SIN

1826-2149

DG444DY

VL

V- GND

V+

D

S

IN

TLC1543CDW

1826-2977

A8

A10

A9

CS

DO

A0

A1

A2

A3

A4

I/OCK

ADR

GND

VCC

A6

A7

A5

EOC

REF+

REF-

0160-7798

0.1 D

0699-3970

10K A

0699-4752

4.99K A

0160-7798

0.1 D

0160-7798

0.1 D

0699-4752

4.99K A

1826-2797

AD734AN

X1

X2

U0

U1

U2

Y1

Y2 VN_NG_SP

ER_REF_V

Z2

Z1

W_OUT

DD_DN_DIS

VP_P_SP

0160-7798

0.1 D

AD620AR

1826-2609

-

+

REF

RG

V-

V+

RG

AD620AR

1826-2609

-

+

REF

RG

V-

V+

RG

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

0699-3970

10K A

0699-3970

10K A

0160-7835

100PFA

0699-4016

A1M

C0G50V

0160-6108

4700PF5%

C0G50V

0160-6108

4700PF5%

C0G50V

0160-6108

4700PF5%

1/8W 25

0699-2843

0.1%100K

DA

DB

GND

S1A

S2A

S3A

S4A

S1B

S2B

S3B

S4B

A1

VDD

VSS

EN

A0

1826-2167

0699-3993

100K A

DA

DB

GND

S1A

S2A

S3A

S4A

S1B

S2B

S3B

S4B

A1

VDD

VSS

EN

A0

1826-2167

0160-7699

3300PF A

0160-6444

0.022 D

0160-6444

0.022 D

0699-3993

100K A

0699-3975

16.2K A

0699-3959

3.16K A

1/8W 25

0699-2491

0.1%20K

1/8W 25

0699-2491

0.1%20K

1/8W 25

0699-2491

0.1%20K

1/8W 25

0699-2491

0.1%20K

0160-7516

330PF A

0699-3959

3.16K A

LM358

1826-

1813

-

V+

GND

+

LM358

1826-

1813

-

V+

GND

+

0699-3574

0_OHM

25

0.1%249K

1/10W

0699-4653

25

0.1%249K

1/10W

0699-4653

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%249K

1/10W

0699-4653

25

0.1%249K

1/10W

0699-4653

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

2.49K

149564

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

825

0699-5083

25

0.1%

1/10W

10K

0699-2800

25

0.1%

1/10W

10K

0699-2800

0699-3968

8.25K A

CR RANGE, MULTIPLIER AND SLEW CIRCUITS

10 BIT A/D Mux

Negative Voltage Protect Circuit

R194

R172

R170

R174

R168

R169

R171

R173

R167

R164

R166

R162

R160

R163

R161

R165

R159

CV_SLEW_DN

CC_SLEW_DN

CV_SLEW_UP

CC_SLEW_UP

R381

GND_ABS

GND_ABS

NVP

EN_NVP

N9

8

4

7

6

5

U58

-15VS

3

2

1

4

8

U58

+15VS

-15VS

GND_ABS

+15VS

GND_CR

R363

C250

+15VS

CR_COMP

CR_SLEW

R359R358

R147R146

+15VS

-15VS

R362

R361

R360

C253

C252

C251

1

2

3

14

16

10

11

12

13

7

6

5

4

15

9

8

U51

R201

8

9

15

4

5

6

7

13

12

11

10

16

14

3

2

1

U52

R149

C167

GND_CRGND_CRGND_CR

C26

C147

CR5

+2.5VREF

R199

C139

R219

+5VS

IMON_INV

+6.2V

+15VS

R193

GND_CR

GND_CR

GND_CRCR3

CR1

CR2

GND_DS

-15VSGND_ABS

C134

GND_ABS

C132

CR_PROG

N6 N7

CR_SLEW_UP_RNG

+15VS

-15VS

C135

C136

GND_CR

+15VS

-15VS

3

26

5

1

87

4

U68

CR_SLEW

GND_CR

3

26

5

1

87

4

U67

C138

1

2

3

4

5

6

78

9

10

11

12

13

14

U53

R216

C203

CR_PROG

CC_PROG

GND_DS

C206

R212

CV_PROG

R211

C205

+5VRB

9

12

11

15

16

1

2

3

4

5

18

17

10

20

7

8

6

19

14

13

U59

GND_DS

9

11

10

12

4 5

13

U57

8

6

7

12

45

13

U57

16

14

15

12

45

13

U57

1

3

2

12

4 5

13

U57

16

14

15

12

45

13

U55

9

11

10

12

4 5

13

U55

8

6

7

12

45

13

U55

1

3

2

12

4 5

13

U55

+5VS

CR_SLEW_UP

RESETS

R352

CR_SLEW_UP_RNG

GND_CR

-15VS

+15VS

C230

GND_ABS

C232

-15VS

R327

4

5

6

7

8

U80

GND_ABS

GND_ABS

C231

C143

GND_ABS

R329

4

3

2

1

8

U80

R326

IMON_INV

VMON_INV

R323

R322

GND_DS

C149

+5VRB

R320

R321

R81

GND_ABS

GND_ABS

C137

R158

GND_CR

5

6

7

4

8

U54

3

2

1

4

8

U54

-15VS

+15VS+5VS

GND_ABS

GND_ABS

GND_ABS

GND_DS

GND_ABS

GND_ABS

GND_ABS

-15VS

+15VS

3

2

1

4

8

U56

5

6

7

4

8

U56

+15VS

-15VS

-15VS

C148

-15VS

C142

+15VS+5VS

CR_SLEW_DN_RNG

C144

EXT_RPROG

GND_CR

+15VS

-15VS

C131

+15VS

-15VS

C145

C140

C141

C130

7

8

1

36

4

2

U50

CR_SLEW_DN_RNG

CR_SLEW_DN

GND_DS

+15VS+5VS+5VS+15VS

-15VSGND_DS

GND_DS

GND_ABS

GND_DS

+15VS+5VS+5VS+15VS

-15VSGND_DS

-15VSGND_DS

GND_DS-15VS

+15VS+5VS

+15VS+5VS

GND_DS-15VS

GND_ABS

R152

+15VS

+15VS

RESET+5VS

GND_ABS

C204

GND_DS

GND_DS

8ADC_EOC

8ADC_ADR

8ADC_CK

8ADC_DO

8ADC_CS

TEMP

+5VS

GND_DS

R213

C207

GND_DS

R215

C208

GND_DS

-15VS

+15VS

GND_CR

GND_CR

+2.5VRBVMON_INV

GND_ABS

C146

R325

R351

R154

R155

R156

R157

R175

R176

R177

R178

R151

R153

D35

D33D32

D31

D30

R150

CRDAC

GND_CR

CR1

CR2

GND_DS

+15VS

-15VS

+15VS

GND_ABS

R328

R350

C246

C276

R382

R383

R384

GND_ABS

R202

R370

Q5

R124

0160-7798

0.1 D

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Page 5 of 6

09 | Keysight | N3304A - Component Level Information

NL0699-2490

1/8W 25

1K 0.1%

NL0699-2490

1/8W 25

1K 0.1%

10K0.1%

1/8W 25

NL0699-2489

10K0.1%

1/8W 25

NL0699-2489

V+ VL

GNDV-

ADG452BR

1826-4325

D

S

IN

V+ VL

GNDV-

ADG452BR

1826-4325

D

S

IN

V+ VL

GNDV-

ADG452BR

1826-4325

D

S

IN

V+ VL

GNDV-

ADG452BR

1826-4325

D

S

IN

0699-3957

2.61K A

0699-3957

2.61K A

1/8W 25

0699-2839

150K0.1%

1/8W 25

0699-2839

150K0.1%

1/8W 25

0699-2839

150K0.1%

1/8W 25

0699-2839

150K0.1%

0699-3963

4.64K A

C0G50V

0160-7953

3900PF 5%

C0G50V

0160-7953

3900PF 5%

C0G50V

0160-8064

1200PF 1%

C0G50V

0160-8064

1200PF 1%

C0G50V

0160-8449

3300PF 1%

0160-8025

D820PF

C0G50V

0160-7994

2700PF 1%

C0G50V

0160-7994

2700PF 1%

0.1%

1/16W 25

0699-3138

1.21K0.1%

1/16W 25

0699-3138

1.21K0.1%

1/16W 25

0699-3138

1.21K

0.1%

1/16W 25

0699-3138

1.21K 0.1%

1/16W 25

0699-3138

1.21K 0.1%

1/16W 25

0699-3138

1.21K

0.1%

1/8W 25

0699-2969

1.78K0.1%

1/8W 25

0699-2969

1.78K

0.1%

1/8W 25

0699-2969

1.78K 0.1%

1/8W 25

0699-2969

1.78K

0160-7798

0.1 D

AGND1AGND2

BYTE

CAP

D0

D1

D10

D11

D12

D13

D14

D15

D2

D3

D4

D5

D6

D7

D9

DGND

REF

VANAVDIG

VIN

BUSY

CS

R/C

LTC1605

1826-4209

13

D8

OP-27

1826-

1925

V+

V-

-

+

BAL

0699-3931

196 A

0699-3780

B33.2K

0160-7798

0.1 D

0160-7798

0.1 D

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

0160-7798

0.1 D

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-7798

0.1 D

0160-7798

0.1 D

0160-7798

0.1 D

DG408DY

1826-2147

S0

S1

S2

Y0

Y1

Y2

Y3

Y5

Y6

Y7

V-

GND

Y

V+

EY4

0160-7798

0.1 D

TA10V

0180-4577

10 20%

0160-7798

0.1 D

2.2TA20V

0180-3975

20%

2.2TA20V

0180-3975

20%

0699-3780

B33.2K

0699-3931

196 A

OP-27

1826-

1925

V+

V-

-

+

BAL

AGND1AGND2

BYTE

CAP

D0

D1

D10

D11

D12

D13

D14

D15

D2

D3

D4

D5

D6

D7

D9

DGND

REF

VANAVDIG

VIN

BUSY

CS

R/C

LTC1605

1826-4209

13

D8

0160-7798

0.1 D 0160-7798

0.1 D

OP-27

1826-

1925

V+

V-

-

+

BAL

0160-8025

D820PF

C0G50V

0160-8449

3300PF 1%

0160-7798

0.1 D

TA10V

0180-4577

10 20%

2.2TA20V

0180-3975

20%

2.2TA20V

0180-3975

20%

0699-3574

0_OHM

0699-3901

10 A

0699-3901

10 A

0160-7798

0.1 D

0160-7798

0.1 D

0699-3963

4.64K A

0699-3963

4.64K A

0699-3963

4.64K A

1810-2349

20K

5K

1K

10K

1810-2349

20K

5K

1K

10K

HIGH RANGE

HIGH RANGE

CURRENT READBACK CIRCUITS

VOLTAGE READBACK CIRCUITS

EXT_DVM

PK_DET

2

3

4

7

6

5

1 8

R79

2

3

4

7

6

5

1 8

R80

IMON_INV

GND_VSB

CCDAC

RSW1

V_AMP

RSW4

RSW3

VMON_INV

GND_DS-15VS

+5VS+15VS

MUX2

MUX0

MUX1

MUX[2:0]

+15ADC

-15ADC

-15ADC

+15ADC

GND_VSB

-15ADC

+15ADC

+15ADC

GND_AS_RDBK

R143

-15ADC

R137

+15ADC

-15ADC

GND_AS_RDBK

R84

+15ADC

-15ADC

GND_AS_RDBK

-15ADC

V_AMP

C157

GND_AS_RDBK

C177

GND_AS_RDBK

-15VS

R357

R356

R355

C186

C185

C184

C183

+5VS

C178

C155

GND_ABSGND_ABS

7

8

1

36

4

2

U63

+5VS_AD

+15ADC

C152

C151

16AD2_R/C

16AD2_CS

16AD_BYTE

16AD5

16AD4

16AD0

16AD1

16AD2

16AD316AD[0:7]

16AD6

16AD7

+2.5VREF

GND_DS

16

5 14

4

2

26

25

24

23

22

21

20

19

18

17

28

15

12

10

9

8

7

6

11

27

3

1

U65

2

4

6

3

187

U64

R91

R92C165

C166

C163

C164

C161

1

16

15

4

5

6

7

11

10

9

3

14

8

13

212

U62

C162

C156

C150

7

8

1

36

4

2

U60

+15VS

GND_DS

GND_VSB

+5VS_AD

GND_DS

C171

2

4

6

3

187

U66

C170

C176

2

4

6

3

187

U69

C182

C181

R209

R208

7

8

1

36

4

2

U70

1

3

27

11

6

7

8

9

10

12

15

28

17

18

19

20

21

22

23

24

25

26

2

4

145

16

U71

16AD7

16AD6

16AD[0:7]16AD3

16AD2

16AD1

16AD0

16AD4

16AD5

16AD1_R/C

16AD1_CS

16AD_BYTE

C153

-15VS

R204R203

R189R188R68R191R190

R207R206R205

C174

C154

C175

C158

C160C180

C179

C159

+15VS

GND_AS_RDBK

GND_AS_RDBK

GND_AS_RDBK

GND_AS_RDBK

GND_AS_RDBK

GND_AS_RDBK

GND_AS_RDBKGND_AS_RDBK

R141

GND_AS_RDBK

GND_AQS

GND_AQS

+2.5VREF

+15VS+5VS

-15VSGND_DS

RSW2

IMON_INV

GND_DS-15VS

+5VS+15VS

+15VS+5VS

-15VSGND_DS

+2.5VREF

R183

R182

R198

R197

R195

R180

13 12

54

1

3

2

U72

13 12

54

8

6

7

U72

13 12

54

9

11

10

U72

13 12

54

16

14

15

U72

R181

R196

R185

R200

Keysight N3304A

300W Electronic Load Module

5064-0106

Control Board PC Assembly

Page 6 of 6

10 | Keysight | N3304A - Component Level Information

Reference Designator Qty Keysight P/N Description MPN Manufacturer

C1, C164, C184, C21, C254,

C62, C72, C79, C81

90180-4577 CAPACITOR-FIXED 10uF +-20PCT 10V TA TAJB106M010R

293D106X0010B2E3

ESVB21A106M

T491B106M010AS

AVX

VISHAY

NEC ELECTRONICS

KEMET ELECTRONICS

C10, C101-C107, C11, C110,

C111, C115, C116, C118-

C124, C130-C132, C134-

C138, C140-C145, C148,

C149, C15, C150-C153,

C156, C157, C16, C161-

C163, C170, C171, C176,

C177, C181-C183, C19, C2,

C202-C208, C22, C23, C230,

C231, C257, C260-C263,

C28, C29, C30, C5, C63,

C64, C73-C78, C8, C80, C82-

C86, C91-C93, C95-C99

99 0160-7798 CAP-FXD 0.1uF +-10PCT 50V CER X7R GRM21BR71H104KA11L

VJ0805Y104KXAMT

08055C104KAT_A

C0805C104K5RAC

C2012X7R1H104K

MURATA MANUFACTURING

VISHAY

AVX

KEMET ELECTRONICS

TDK

C100, C117, C139, C243,

C244, C267, C268, C269,

C270, C271, C272, C273,

C274, C275, C276

15 0160-7835 CAP-FXD 100pF +-5PCT 50V CER C0G GRM1885C1H101JA01D

C1608C0G1H101J

06035A101JAT

C0603C101J5GAC

VJ0603A101JXA

MURATA MANUFACTURING

TDK

AVX

KEMET ELECTRONICS

VISHAY

C108, C125, C146 30160-7834 CAP-FXD 10pF +-5PCT 50 V CER C0G C1608COG1H100D

06035A100JAT

GRM1885C1H100JD01D

C0603C100J5GAC

TDK

AVX

MURATA MANUFACTURING

KEMET ELECTRONICS

C12, C13, C14, C165, C166,

C185, C186, C70, C71

90180-3975 CAP-FXD 2.2uF +-20PCT 20V TA TAJB225M020

293D225X0020B2E3

49MC225B020M0AS

ESVB21D225M

T491B225M020AS

AVX

VISHAY

VISHAY BC COMPONENTS

NEC ELECTRONICS

KEMET ELECTRONICS

C147, C167, C24, C25, C26 5 0160-6108 CAP-FXD 4700pF +-5pct 50 V CER C0G C1206C472J5GAC

GRM3195C1H472JA01D

KEMET ELECTRONICS

MURATA MANUFACTURING

C154, C174 20160-7994 CAP-FXD 2700pF +-1pct 50 V CER C0G 12065A272FAT_ A

C1206C272F5GAC

AVX

KEMET ELECTRONICS

5064-0106 Control Board Parts List (Electronic Load Module)