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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 “Load reg File” button to load the register contents of the part (Figure 11).

Figure 10. Main Control Window

Load Register File

Содержание 126791-HMC764LP6C

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...