Analog Devices 126791-HMC764LP6C Operating Manual Download Page 4

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For technical application questions: Phone: 978-250-3343 or 

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PLLs WITH INTEGRATED VCO - MICROWAVE APPLICATIONS 

EVALUATION BOARD OPERATING GUIDE

v01.0910

1.0 

Applicable Products

HMc764LP6ce, HMc765LP6ce, HMc783LP6ce, HMc807LP6ce

2.0 

Introduction

this operating guide covers the specified family of Hittite fractional PLL with integrated Vco. the first 
portion  lists  the  evaluation  Kit  contents.  the  second  portion  describes  how  to  operate  the  evaluation 
board. 

3.0 

Evaluation Kit

the evaluation Kit contains the following contents:

a. (1) evaluation Board Part #: 
       126791-HMc764LP6c or 127270-HMc765LP6c or  
       127272-HMc783LP6c or 127283-HMc807LP6c

b. (1) cd roM Part # 121325

c. (1) uSB controller Board # 122046

d. (1) uSB cable # 690-00064-00

e. (1) control cable # 595-00199-00

the cd roM should include the followings files as a minimum:

a. Ftdi uSB drivers .zip file

b. VB HMc PLL with integrated Vco controller Software

c. PLL design Software

d. evaluation Board Schematic

e. evaluation Board operating guide

f. PLL with integrated Vco data Sheets 

g. PLL with integrated Vco operating guide

h. recommended PLL register Set text File

i. readMe installation guide

Summary of Contents for 126791-HMC764LP6C

Page 1: ...Analog Devices Welcomes Hittite Microwave Corporation NO CONTENT ON THE ATTACHED DOCUMENT HAS CHANGED www analog com www hittite com...

Page 2: ...THIS PAGE INTENTIONALLY LEFT BLANK...

Page 3: ...le of Contents 1 0 Applicable Products 2 2 0 Introduction 2 3 0 Evaluation Kit 2 4 0 Evaluation Board Operation 3 4 1 Configuration with On Board Crystal Oscillator 3 4 2 Configuration with External C...

Page 4: ...o operate the evaluation board 3 0 Evaluation Kit The Evaluation Kit contains the following contents a 1 Evaluation Board Part 126791 HMC764LP6C or 127270 HMC765LP6C or 127272 HMC783LP6C or 127283 HMC...

Page 5: ...The evaluation board provides on board regulators to isolate the 5 5V supply from the PLL analog and digital 3 3V supplies the PLL Charge Pump 5V supply and the VCO 5V supply The VCXO is also regulate...

Page 6: ...application questions Phone 978 250 3343 or pll hittite com Product Operating Guide A A 4 PLLs WITH INTEGRATED VCO MICROWAVE APPLICATIONS EVALUATION BOARD OPERATING GUIDE v01 0910 Figure 2 PLL with In...

Page 7: ...ct the external source to J2 as shown in Figure 3 If the external source has sufficient drive see the reference sensitivity plots in datasheets it is likely not necessary to remove C34 at the output o...

Page 8: ...It can be configured into most filter types such as Passive PassiveDC ActiveA ActiveC etc It should be noted that the default loop filter on the evaluation board is PassiveDC and R23 is set to zero o...

Page 9: ...ATIONS EVALUATION BOARD OPERATING GUIDE v01 0910 4 3 1 Passive Loop Filter The Passive loop filter consists of C33 R13 C37 R12 and C61 It can be configured by removing R21 R22 R25 and leaving JP6 and...

Page 10: ...aving JP6 open and powering 15V on It should be noted that when a single positive supply is applied to the Op amp the minimum VCO tuning voltage of the PassiveDC loop filter is limited by the common m...

Page 11: ...A 9 PLLs WITH INTEGRATED VCO MICROWAVE APPLICATIONS EVALUATION BOARD OPERATING GUIDE v01 0910 4 3 3 ActiveA Loop Filter The ActiveA loop filter consists of C62 R3 C63 R21 C61 R14 R15 C60 and Op amp U...

Page 12: ...v01 0910 4 3 4 ActiveC Loop Filter The ActiveC loop filter consists of C33 R25 C62 C63 R3 R21 C61 R14 R15 C60 and Op amp U5 It can be configured by removing R4 R12 R13 R22 C37 C64 shorting R26 JP6 an...

Page 13: ...NG GUIDE v01 0910 5 0 Operating Procedure Step 1 Read the README file for Microwave PLL with Integrated VCO on the CD for instruction Step 2 Setup the evaluation board as shown in Figure 1 Step 3 Turn...

Page 14: ...ting Guide A A 12 PLLs WITH INTEGRATED VCO MICROWAVE APPLICATIONS EVALUATION BOARD OPERATING GUIDE v01 0910 Step 6 Click Done button the main control window pops out as Figure 10 shown Step 7 Click Lo...

Page 15: ...RF Frequency Control Actual Frequency Lock Detect Indicator Load Register File Register Contents Save Register File Prescaler Control Figure 11 Main Control Window after Loading Register File Step 8...

Page 16: ...f current will give the optimum performances on phase noise and spurs Figure 13 The Detailed Register Control Panel Step 10 Scan the VCO frequency to find the PLL with Integrated VCO locked range Frac...

Page 17: ...tional Click Frequency Hop button in the main control panel Figure 11 A new small window pops out as shown in Figure 16 Set Frequency 1 Frequency 2 and Dwell Time in this window Then click Start butto...

Page 18: ...www hittite com For technical application questions Phone 978 250 3343 or pll hittite com Product Operating Guide A A 16 PLLs WITH INTEGRATED VCO MICROWAVE APPLICATIONS EVALUATION BOARD OPERATING GUID...

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