Measure output VCO frequency

[haohaodk46]

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]

Use a SHF frequency counter?
frank

 

[haohaodk46]

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

 

[Tunelabguy]

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

 

[haohaodk46]

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