Texas Instruments LMK01000 Bedienungsanleitung

LMK01000 Evaluation Board

User's Guide

November 2013

SNAU037A

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2 SNAU037A LMK01000 Evaluation Board November 2013

LMK01000

1.6 GHz Low Noise Clock Buffer, Divider, and Distributor

Evaluation Board Operating Instructions

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November 2013 LMK01000 Evaluation Board SNAU037A 3

Table of Contents

Equipment....................................................................................................4



Basic Operation............................................................................................5



Appendix A: Schematics..............................................................................8

Appendix B: Quick Start for EVM Communications...................................11



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4 SNAU037A LMK01000 Evaluation Board November 2013

Equipment

Power Supply

The Power Supply should be a low noise power supply. An Agilent 6623A Triple power supply with LC filters on the

output to reduce noise was used in creating these evaluation board instructions.

Phase Noise / Spectrum Analyzer

For measuring phase noise an Agilent E5052A is recommended. An Agilent E4445A PSA Spectrum Analyzer with the

Phase Noise option is also usable although the architecture of the E5052A is superior for phase noise measurements. At

frequencies less than 100 MHz the local oscillator noise of the PSA is too high and measurements will be of the local

oscillator, not the device under test.

Oscilloscope

The oscilloscope and probes should be capable of measuring the output frequencies of interest when evaluating this

board. The Agilent Infiniium DSO81204A was used in creating these evaluation board instructions.

Reference Oscillator

The on board crystal oscillator will provide a low noise reference signal to the device at offsets greater than 1 kHz.

Note: The default loop filter has a loop bandwidth of ~60 kHz. Inside the loop bandwidth of a PLL the noise is greatly

affected by any noise on the reference oscillator (OSCin). Therefore any noise on the oscillator less than 60 kHz will be

passed through and seen on the outputs. For this reason the main output of a Signal Generator is not recommended for

driving OSCin in this setup.



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November 2013 LMK01000 Evaluation Board SNAU037A 5

Basic Operation

1) Connect a low noise 3.3 V power supply to the Vcc connector located at the top left of the board.

2) Connect 122.88 MHz signal from signal generator output to CLKin0 of board.

3) Please see Appendix B for quick start on interfacing the board. Connect PC to the uWire header.

Power

Supply

SignalGenerator

SMACable

122.88Mhz

CLKin0

3.3V

LaptoporPC

Pleasesee

AppendixBfor

interfaceinfo

Pleasesee

AppendixBfor

interfaceinfo

uWire

header

Vcc

4) Start CodeLoader4.exe

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6 SNAU037A LMK01000 Evaluation Board November 2013

5) Select the device by ”Select Device” “Clock Conditioners”

6) Enable the output to measure (example CLKout0 is enabled below)

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November 2013 LMK01000 Evaluation Board SNAU037A 7

7) Program the part by clicking “Keyboard Controls” “Load Device” or by pressing Ctrl+L.

***Be advised: GOE and SYNC* on the IC have internal pull-ups. Voltage dividers are used to

lower 5 V LPT ports to safe levels for the device while still programming with 3.3 V LPT ports.

When the cable is removed however, the pull-down of the voltage divider will overpower the

pullup of the GOE or SYNC*. For this reason GOE is disconnected so the cable can be

disconnected and the outputs still will be on. However, or any channels which have dividers

enabled, the SYNC* will go low and cause them to stop oscillating. Future versions of the

evaluation board have zener diodes on GOE and SYNC* to eliminate this issue.

8 SNAU037A LMK01000 Evaluation Board November 2013

Appendix A: Schematics

LMK02000 -Main Board

LMK02000 - Main Board.sch LMK02000 - Outputs

LMK02000 - Outputs.sch F1

SMA_CONN

1 2

3 4

5 6

7 8

910

GND_J1

HEADER_2X5

1 2

3 4

5 6

7 8

910

VCC_J1

HEADER_2X5

Vcc Vcc

1 2

3 4

5 6

7 8

910

GND_J2

HEADER_2X5

1 2

3 4

5 6

7 8

910

VCC_J2

HEADER_2X5

Vcc Vcc

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November 2013 LMK01000 Evaluation Board SNAU037A 9

CLKout4SMA

CLKout4*

SMA

R121

Open

R114

Open

R128

Open

R113

Open

R127

Open

C92

0.1 uF

C96

0.1 uF

R126

120 ohm

R125

120 ohm

CLKout4*

CLKout4

Vcc Vcc

CLKout0

SMA

CLKout0*

SMA

R93

Open

R86

Open

R100

Open

R85

Open

R99

Open

C84

0.1 uF

C88

0.1 uF

R98

Open

R97

Open

CLKout0*

CLKout0

Vcc Vcc

CLKout5

Open

CLKout5*

Open

R122

Open

R116

Open

R132

Open

R115

Open

R131

Open

C93

0.1 uF

C97

0.1 uF

R130

120 ohm

R129

120 ohm

CLKout5*

CLKout5

Vcc Vcc

CLKout1

Open

CLKout1*

Open

R94

Open

R88

Open

R104

Open

R87

Open

R103

Open

C85

0.1 uF

C89

0.1 uF

R102

Open

R101

Open

CLKout1*

CLKout1

Vcc Vcc

CLKout6

Open

CLKout6*

Open

R123

Open

R118

Open

R136

Open

R117

Open

R135

Open

C94

0.1 uF

C98

0.1 uF

R134

120 ohm

R133

120 ohm

CLKout6*

CLKout6

Vcc Vcc

CLKout2

Open

CLKout2*

Open

R95

Open

R90

Open

R108

Open

R89

Open

R107

Open

C86

0.1 uF

C90

0.1 uF

R106

Open

R105

Open

CLKout2*

CLKout2

Vcc Vcc

CLKout7

SMA

CLKout7*

SMA

R124

Open

R120

Open

R140

Open

R119

Open

R139

Open

C95

0.1 uF

C99

0.1 uF

R138

120 ohm

R137

120 ohm

CLKout7*

CLKout7

Vcc Vcc

CLKout3

SMA

CLKout3*

SMA

R96

Open

R92

Open

R112

Open

R91

Open

R111

Open

C87

0.1 uF

C91

0.1 uF

R110

120 ohm

R109

120 ohm

CLKout3*

CLKout3

Vcc Vcc

CLKout0 CLKout1 CLKout2 CLKout3

CLKout4 CLKout5 CLKout6 CLKout7

PC4

PC0 PC1 PC2 PC3

PC5 PC6 PC7

PC0b

PC4b PC5b PC6b PC7b

PC3bPC2bPC1b

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10 SNAU037A LMK01000 Evaluation Board November 2013

390 pF

Open

C80

10 uF

Vcc

SMA

C14

10 uF

C70

1 uF

Vcc3

0 ohm

Vcc

Vcc4

Vcc7

Vcc8

C78

47 pF

R65

270 ohm

R64

270 ohm

R62

18 ohms

R68

0 ohm

1 2

3 4

5 6

7 8

910

uWire

HEADER_2X5

R59

15 k

R75

Open

R58

27 k

R56

27 k

R55

15 k

R54

27 k

4.7 k

R57

15 k

Vcc1 0

C59

0.1 uF

C13

100 pF

C16

100 pF

C60

1 uF C61

0.1 uF C71

1 uF

Vcc5

Vcc6

C62

0.1 uF

C18

100 pF

C22

100 pF

C63

1 uF C64

0.1 uF C72

1 uF

Vcc1 1

Vcc1 2

C65

0.1 uF

C25

100 pF

C29

100 pF

C66

1 uF C67

0.1 uF

C58

1 uF

Vcc1 3

Vcc1 4

C54

0.1 uF

C33

100 pF

C38

100 pF

C68

1 uF C69

0.1 uF

C55

1 uF

Vcc1

Vcc2

C45

0.1 uF

C20

100 pF

C23

100 pF

C46

1 uF C47

0.1 uF C56

1 uF

Vcc7

Vcc8

C48

0.1 uF

C28

100 pF

C32

100 pF

C49

1 uF C50

0.1 uF C57

1 uF

Vcc9

Vcc1 0

C51

0.1 uF

C36

100 pF

C42

100 pF

C52

1 uF C53

0.1 uF

Vcc3 Vcc4 Vcc5 Vcc6

Vcc1 1Vcc1 2Vcc13Vcc14

Vcc1

Vcc2

Vcc

Vcc9

R76

Open

LD_TP

C81

0.1 uF

Fin

SMA

Vcc

Fout 5

NC 7

Open

Fout

SMA

CLKout7*

CLKout7

CLKout6

CLKout6*

CLKout4

CLKout4*

CLKout5

CLKout5*

CLKout0

CLKout0*

CLKout1

CLKout1* CLKout2*

CLKout2

CLKout3*

CLKout3

GOE

GND

Vcc1

CLKuWire

DATAuWi re

LEuWi re

Vcc2

LDOby p 1

LDOby p 2

GOE

Vcc3

CLKout0

CLKout0*

Vcc4

CLKout1

CLKout1*

Vcc5

CLKout2

CLKout2*

Vcc6

CLKout3

CLKout3*

GND 25

Vcc7 26

SYNC* 27

CLKin0 28

CLKin0* 29

Vcc8 30

Vcc9 31

NC 32

Vcc10 33

CLKin1 34

CLKin1* 35

Bias 36

Vcc11 37

CLKout4 38

CLKout4* 39

Vcc12 40

CLKout5 41

CLKout5* 42

Vcc13 43

CLKout6 44

CLKout6* 45

Vcc14 46

CLKout7 47

CLKout7* 48

LMK01000

CLKuWire

DATAuWire

LEuWi re

LEuWi reDATAuWireCLKuWire

Fin*

SMA Vcc

R63

0 ohm

Vtu neVCXO

R26

Open

Vtu neVCO

Vcc R30

0 ohm

C30

Open C31

0.1 uF

DUT_Fin

DUT_Fin*

DUT_Fin

DUT_Fin*

DUT_OSCin*

DUT_OSCin

R47

0 ohm

R48

0 ohm

R38

Open R39

Open

C34

0.1 uF

C40

0.1 uF

R33

0 ohm

R46

0 ohm

R78

0 ohm

R77

0 ohm

C73

1 uF

OSCi n

SMA

OSCi n*

SMA

DUT_OSCi n

DUT_OSCi n*

OSC_ RF

R16

0 ohm

R20

0 ohm

R12

0 ohm

R19

Open

0.1 uF

R15

0 ohm

R25

0 ohm

C44

Open

C10

Open

R49

0 ohm

R51

Open

C21

10 uF

C17

10 uF

Vtune

Open

R79

Open

Fout*

Open

R53

0 ohm

C77

Open

C79

Open

R84

27 k

R82

15 k

SYNC*

C83

100 pF

SYNC*

R71

Open

GOE

Open

SYNC*

Open

Vcc

R81

Open

Vcc

C75

Open C76

Open

R61

Open C74

Open

R52

0 ohm LD

Open

R60

15 k

R50

Open

Vcc

Open

Vin

R24

0 ohm

VCXO

VCO

Fin

OSCin

R18

Open

Vcc

OSC_RF1

R14

0 ohm

Open C8

0.1 uF

OSC

Out 3

GND

Vcont

1Vcc 4

CC33xx

R21

Open

C39

Open

C19

Open

C12

Open

C2_AUX

0.1 uF

C1_AUX

3.3 nF C82

Open

R80

Open

R2_AUX

47 k

R72

Open R73

Open

R69

0 ohm

C2p_AUX

Open

C2p

10 uF

C26

Open C27

Open

R28

Open

R70

Open

C43

Open

Vtu neVCXO VtuneVCO

R66

Open

R74

Open

R83

Open GOE_TP

SYNC* _ TP

C15

10 uF

VCO_VCXO_ Vcc

Open

OSC_ Vcc

Open R1

Open

R29

Open

R27

Open

R34

Open R35

Open

C37 Open

C41 Open

Pin10_TP

Pin7_TP

Pin5_TP

VccPlane

GND_t p1

Vcc

C35

Open

GND_t p 2

R32

Open

R45

51 ohm

R31

Open

R44

51 ohm

Vcc Vcc

CLKuWire DATAuWire LEuWire

TC1-1-13M+

R10

Open R11

Open

R23

51 ohm

R22

51 ohm

Vcc Vcc

3S4

SCT 5

SD 6

ADT2-1T

BALUN - ADT2- 1T

3S4

SCT 5

SD 6

BALUN

BALUN - ADT- ETC Hyb rid

NC 2

PD 3

SCT

BALUN

BALUN - ADT-ETC Hy bri d

R67

Open

GND

Vtu ne

GND

3RF 4

RF* 5

Vs 6

VCXO

R40 0 ohm

R41 0 ohm

R42

Open R43

Open

R37

Open

R36

Open

GND GND

GNDGND

C24

Open

GND

22 ohm

220 ohm R7

220 ohm

GNDGND

OSC_RF2

Vtu ne

GND

3RF 4

RF* 5

Vs 6

CCHD0950

Open

0 ohm

Open

OSC_RF1

OSC_RF2

R17

Open

C11

Open

Vcc

Vcc R13

Open

Open C5

Open

VCXO_VCO_ Vcc

VCXO_RF

VCXO_RF*

VCO_RF

R142

Open

GND

R141

Open

GND

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