Measure output VCO frequency

haohaodk46 · Feb 1, 2013

Hi all!
i have tune frequency of VCO 2100 MHz.But i want measure output frequecy of VCO.How the method to measure output frequency of VCO?
Thanks !

chuckey · Feb 1, 2013

Use a SHF frequency counter?
frank

haohaodk46 · Feb 2, 2013

I want measure VCO frequency and feedback to microcontroller.What is the IC that can measure this frequency ?

Tunelabguy · Feb 3, 2013

Take a look at this reference. It looks like you will need more than just one IC.

haohaodk46 · Feb 3, 2013

I use MC12079 as link below :
**broken link removed**
But i unknow 74HC4046 have role in this circuit and how connect with MC12079 ?

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