TDK DEA Series DEA252450BT-7012D1 Manuale utente

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001-02 / 20080116 / e721_dea252450bt_7012.fm

• All specifications are subject to change without notice.

Multilayer Chip Band Pass Filters(Balance Output Type)

For Bluetooth & 2.4GHz W-LAN

DEA Series DEA252450BT-7012D1

SHAPES AND DIMENSIONS

RECOMMENDED PC BOARD PATTERNS

ELECTRICAL CHARACTERISTICS

Item Typical value

Frequency range (Pass band) 2400 to 2500MHz —

Unbalanced impedance 50Ω(Nominal) —

Balanced impedance 100Ω(Nominal) —

Insertion loss [+25°C] 1.9dB max. 1.5dB

[–40 to +85°C] 2.2dB max. —

Attenuation

[880 to 960MHz] 40dB min. 50dB

[1710 to 1910MHz] 32dB min. 42dB

[4800 to 5000MHz] 30dB min. 40dB

Unbalanced port return loss 10dB min. 14dB

Phase difference at balanced port 180±12deg 188deg

Amplitude imbalance at balanced port 0±1.0dB 0dB

Temperature range Operating –40 to +85°C

Storage –40 to +85°C

Conformity to RoHS Directive

1.0max.

2.0±0.2

1.3±0.3

0.4±0.15 0.3±0.1

2.5±0.2

765

123

Dimensions in mm

0.2±0.15

1 N.C.

2 Unbalanced

3 DC feed or N.C.

4 GND

5 Balanced

6 N.C.

7 Balanced

8 GND

Terminal functions

Line width be designed to mach 50Ω characteristic impedance

depending on PCB material and thickness

Land

Solder resist

2.10.8

0.9

1.4

0.80.9

0.35 0.35

Dimensions in mm

ø0.3 Through-hole

•Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and

specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

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001-02 / 20080116 / e721_dea252450bt_7012.fm

• All specifications are subject to change without notice.

FREQUENCY CHARACTERISTICS

Unbalance 50Ω/Balance 100Ω

ATTENUATION

AMPLITUDE BALANCE

UNBALANCED PORT RETURN LOSS

PHASE BALANCE

–60

–25

–30

–35

–40

–45

–50

–55

500 75004500 6500550025001500 3500

–20

–15

–10

–5

Attenuation

(dB)

Frequency(MHz)

1: 1710MHz

–40.6dB

2: 1910MHz

–51.2dB

3: 4800MHz

–43.5dB

4: 5000MHz

–39.3dB

5: 7200MHz

–24.6dB

6: 7500MHz

–24.7dB

5 6

2300 260025502450 25002350 2400

–4

–5

–2

–3

–1

Amplitude balance(dB)

Frequency(MHz)

1: 2400MHz

0.61dB

2: 2450MHz

0.02dB

3: 2500MHz

–0.55dB

123

1500 3500300025002000

Unbalanced port Return loss(dB)

Frequency(MHz)

1: 2400MHz

–13.7dB

2: 2450MHz

–34.2dB

3: 2500MHz

–16.8dB

4: 2400MHz

–1.56dB

5: 2450MHz

–1.22dB

6: 2500MHz

–1.18dB

456

–60

–25

–30

–35

–40

–45

–50

–55

–20

–15

–10

–5

2300 260025502450 25002350 2400

195

190

200

165

160

175

170

180

185

Phase balance(deg.)

Frequency(MHz)

1: 2400MHz

188.5degrees

2: 2450MHz

188.5degrees

3: 2500MHz

187.9degrees

123

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