Texas Instruments LMX2582EVM Manuale utente

LMX2582EVM High Performance, Wideband

PLLatinum™ RF Synthesizer Evaluation Board

Operating Instructions

User's Guide

Literature Number: SNAU194

December 2015

Contents

1 Evaluation Board Setup ........................................................................................................ 3

2 EVM Software Startup Instructions......................................................................................... 5

3 EVM Software Navigation...................................................................................................... 6

4 Schematic........................................................................................................................... 8

5 BOM................................................................................................................................... 9

6 Layout............................................................................................................................... 11

2Contents SNAU194–December 2015

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3.3 V 1

OSCin

Vcc

100 MHz

@ +6 dBm

USB Cable

Phase Noise

Analyzer

Power

Supply

Sig Gen

RFout

USB2ANY 10 pin ribbon

cable

Laptop or PC

Chapter 1

SNAU194–December 2015

Evaluation Board Setup

Figure 1-1. Setup Diagram

1. Power:

(a) Set power supply to 3.3 V with 500-mA current limit.

(b) Connect VCC with SMA cable or clip to test point VCC_TP.

2. Input Signal

(a) Option 1 (default): The on-board Oscillator is powered on and outputs 100-MHz signal to OSCinP

(pin 8) of the device input.

(b) Option 2: MUST switch R14p to R14, which routes the input signal from the OSCinP SMA

connector instead of on-board Oscillator. Set a low phase noise signal generator to 100 MHz with

6-dBm power level. Connect to OSCinP or OSCinM if you have a single-ended signal. Connect to

both if you have a differential signal.

NOTE: Phase noise of input signal should be below –150 dBc/Hz at 10-kHz offset for 100-MHz

signal, otherwise the input reference noise will dominate the in-band phase noise at RF

output. The On-board Oscillator is only at –134 dBc/Hz.

SNAU194–December 2015 Evaluation Board Setup

www.ti.com

3. Output

(a) Connect RFoutAM or RFoutAP to a phase noise analyzer. Connect a 50-Ωtermination on the

unused output if you are using only single-end. Use a balan if you are using differential-ended.

4. Programming Interface

(a) Connect your laptop to the EVM as shown with included USB2ANY module.

4Evaluation Board Setup SNAU194–December 2015

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Chapter 2

SNAU194–December 2015

EVM Software Startup Instructions

1. Download TICS software from TI.com: http://www.ti.com/tool/TICSPRO-SW

2. To start the EVM software, open TICS.exe from installed directory.

SNAU194–December 2015 EVM Software Startup Instructions

LMX2582

Chapter 3

SNAU194–December 2015

EVM Software Navigation

1. The software should be opened as shown in Figure 3-1:

Figure 3-1. Software Screenshot

2. Top Menu

• File: Allows you to load or save a setting, export or import the registers in HEX values.

• USB Communications: Check your connection with the USB2ANY module. (If there is new

software follow the on-screen instructions to upgrade.) Load the device (the keyboard shortcut is

CTRL+L), which programs all the registers into the device.

• Default configuration: Load a pre-set setting file given to start from a known state.

• To select the LMX2582: Click Select Device on top menu. Click PLL + VCO and select LMX2582.

3. Left Panel

• User Controls: Here you can configure registers, organized by function. Hover your mouse over

the register and its information will appear in the Context tab on the left panel.

• Raw Registers: See the entire register map. Enter a HEX value in to the Data cell then click Write

the USB2ANY (by default it is connected to the LED, switch R40 to R39 for readback). Also set

MUXOUT_SEL=0 for readback. You can also read a register by the name of the register in

4. PLL

• Fosc: Enter the input signal frequency between 5 to 1400MHz

6EVM Software Navigation SNAU194–December 2015

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• Doubler: Can double input signal frequency (input must be 50% duty cycle to use this)

• Pre-R divider: Divides frequencies up to 1400 MHz

• Multiplier: Multiplies frequencies between 40 to 70 MHz and outputs between 180 to 250 MHz

• R divider: Used for dividing frequencies below 5 MHz for very low PFD

• Charge Pump Gain: This tab will auto-update both UP and DN to be equal. Go to bits/pins section

if you want to force different values.

• Gain multiplier: Multiplies Charge Pump Gain by a factor

• State: Changes the charge pump output state

• FCAL_EN: Every time you change the output frequency, toggle this off or on to calibrate the device

to the frequency.

• Fvco: Set the VCO frequency between 3550 to 7100 MHz.

• Divider MUX: This determines which of the 3 segments is included for a total division between 2 to

192.

• Output MUX: Selects the signal from the VCO output or the Divider.

• Power Settings: Changes the output power (increase 0 to 31, then additional boost with 49 to 63).

5. Burst Mode

• Enter a register in Load Register or delay in seconds.

• You can run and stop the commands in a single burst or continuous loop.

SNAU194–December 2015 EVM Software Navigation

SV601260

PCB Number:

PCB Rev:

VCC 4

E/D

GND

2OUT 3

100MHz

CWX813-100.0M

1µF

R20

R17

R14

R16

R19

R14p

OSCinM

142-0701-851

OSCinP

142-0701-851

R18

RFoutAM

142-0701-851

1 2

3 4

5 6

7 8

9 10

uWire

52601-S10- 8LF

Green

1 2

330

R40

0.1µF

10µF

On Board Oscilla tor Option

SDI_TP

12k

R15

CSB_TP

MUXout

Vcc

142-0701- 851

10µF

R10

R13

100pF

C17

RFoutBP

142-0701-851

RFoutBM

142- 0701- 851

100pF

C15

100pF

C14

100pF

C13

VccR F

12k

Vcc

12k

R3 L1

LQG15HS18NJ02D

R25

R28

R24

R27

R26

R29

0.1µF

MUXout_TP

LQG15HS18NJ02D

Vcc

Vcc_TP

49.9

R32

49.9

R31

150

R2_LF

0.047µF

C2_LF

560pF

C1_LF

R3_LF

300pF

C3_LF

R4_LF

Vtune_TP

6800pF

C4_LF

680

R36

0.1µF

C11

R21

0.1µF

C12

R23

0.1µF

C20

R35

R37

0.1µF

C25

R39

MUXout

10µF

C21

µF

C23

µF

C22

µF

C27

µF

C24

µF

C26

1µF

C10

0.1µF

0.1µ

External Input Frequency Option

Pin5_TP

Pin28_TP

Pin32_TP

RFoutAP

142-0701-851

49.9

R33

100pF

C18

VccRF

0.1µF

C30

10µF

C29

10µF

0.1µF

C16

VccRF

R30

R38

0.1µF

C28

GND 2

VBIASVCO

3GND 4

NC 5

GND 6

VCCDIG

OSCINP

OSCINM

VREGIN

VCCCP

CPOUT 12

GND 13

GND 14

VCCMASH

SCK

16 SDI

RFOUTBP 18

RFOUTBM 19

MUXOUT 2 0

VCCBUF

RFOUTAM 22

RFOUTAP 23

CSB

GND 25

VCCVCO2

VBIASVCO2

NC 28

VREFVCO2

REXT 30

GND 31

NC 32

VBIASVARAC

GND 34

VTUNE 35

VREFVCO

VCCVCO

VREGVCO

GND 39

GND 40

GND 41

LMX2582RHAR

R22

12k

SCK_TP

12k

R11

12k

GND_TP

12k

R12

Vcc

100pF

C19

49.9

R34

Chapter 4

SNAU194–December 2015

Schematic

Figure 4-1. Schematic

8Schematic SNAU194–December 2015

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Chapter 5

SNAU194–December 2015

BOM

DESIGNATOR DESCRIPTION MANUFACTURER PART NUMBER QUANTITY

!PCB Printed Circuit Board Any SV601260 1

C1, C3, C6, C8, C9, CAP, CERM, 0.1 µF, 16 V,

C11, C12, C16, C20, AVX 0603YC104JAT2A 12

±5%, X7R, 0603

C25, C28, C30 CAP, CERM, 560 pF, 50 V,

C1_LF Kemet C0603C561K5RACTU 1

±10%, X7R, 0603

CAP, CERM, 10 µF, 10 V,

C2, C4, C5, C29 Kemet C0805C106K8PACTU 4

±10%, X5R, 0805

CAP, CERM, 0.047 µF, 50 V,

C2_LF MuRata GRM188R71H473KA61D 1

±10%, X7R, 0603

CAP, CERM, 6800 pF, 50 V,

C4_LF MuRata GRM188R71H682KA01D 1

±10%, X7R, 0603

CAP, CERM, 1 µF, 16 V,

C7, C10 TDK C1608X7R1C105K 2

±10%, X7R, 0603

C13, C14, C15, C17, CAP, CERM, 100 pF, 50 V, MuRata GRM1535C1H101JDD5D 6

C18, C19 ±5%, C0G/NP0, 0402

C21, C22, C23, C24, CAP, CERM, 10 µF, 10 V, TDK C1608X5R1A106M 5

C27 ±10%, C0G/NP0, 0603

CAP, CERM, 1 µF, 6.3 V,

C26 TDK C1608X5R0J105K 1

±10%, X5R, 0603

CSB_TP, GND_TP,

MUXout_TP, Test Point, Compact, White, Keystone 5007 7

SCK_TP, SDI_TP, TH

Vcc_TP, Vtune_TP

D1 LED, Green, SMD Lite-On LTST-C190GKT 1

Inductor, Multilayer, Air Core,

L1, L2 MuRata LQG15HS18NJ02D 2

18 nH, 0.3 A, 0.36 Ω, SMD

OSCinM, OSCinP,

RFoutAM, RFoutAP, Connector, SMT, End launch Emerson Network Power 142-0701-851 7

RFoutBM, RFoutBP, SMA 50 ohm Connectivity

VCC

R1, R2, R4_LF, R10,

R13, R21, R22, R23, RES, 0 Ω, 5%, 0.1W, 0603 Vishay-Dale CRCW06030000Z0EA 12

R30, R35, R37, R38

R2_LF RES, 150, 5%, 0.1 W, 0603 Vishay-Dale CRCW0603150RJNEA 1

R3_LF RES, 12, 5%, 0.1 W, 0603 Vishay-Dale CRCW060312R0JNEA 1

R5, R6, R8, R11 RES, 12k Ω, 5%, 0.1 W, 0603 Vishay-Dale CRCW060312K0JNEA 4

R14p, R16, R18, R20 RES, 18 Ω, 5%, 0.1 W, 0603 Vishay-Dale CRCW060318R0JNEA 4

R15 RES, 10 Ω, 5%, 0.1 W, 0603 Vishay-Dale CRCW060310R0JNEA 1

R17, R19 RES, 68 Ω, 5%, 0.1 W, 0603 Vishay-Dale CRCW060368R0JNEA 2

R24, R26, R27, R29 RES, 18, 5%, 0.063 W, 0402 Vishay-Dale CRCW040218R0JNED 4

R25, R28 RES, 68, 5%, 0.063 W, 0402 Vishay-Dale CRCW040268R0JNED 2

R31, R33 RES, 49.9, 1%, 0.063 W, 0402 Vishay-Dale CRCW040249R9FKED 2

R36 RES, 680, 1%, 0.1 W, 0603 Yageo America RC0603FR-07680RL 1

R40 RES, 330 Ω, 5%, 0.1 W, 0603 Yageo America RC0603JR-07330RL 1

SNAU194–December 2015 BOM

www.ti.com

DESIGNATOR DESCRIPTION MANUFACTURER PART NUMBER QUANTITY

High Performance, Wideband

U1 PLLatinum RF Synthesizer, Texas Instruments LMX2582RHAR 1

RHA0040C

Header (shrouded), 100mil,

uWire FCI 52601-S10-8LF 1

5x2, Gold plated, SMD

OSC 100.0000 MHZ 3.3 V ±25

Y1 Connor-Winfield CWX813-100.0M 1

PPM SMD

10 BOM SNAU194–December 2015

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