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Does the PLL HMC830 works with clipped sinewave / CMOS reference signal from TCXO ?

Question asked by Kanchana.R on May 17, 2018
Latest reply on May 18, 2018 by Kanchana.R

Hi,

I'm planning to output of TCXO as reference signal for HMC830 PLL. 

 

Please clarify the following to use the same.

1. TCXO part that I selected provides clipped sinewave output with 0.8V Vpp.  Does this reference level is adequate for PLL?

2. Do I need to use any matching circuit between TCXO output and PLL XREFP pin (or)

connect with following components in series using short 50Ohms traces. AC coupling capacitor, 100 Ω resistor to ground followed by an AC coupling capacitor as recommended in datasheet for 50Ohm match.

3. If clipped sinewave output TCXO can not be used as reference, can I use CMOS compatible TCXO as reference ? if so please suggest on matching and attenuator circuit, if required to be used.  

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