switching capacitors for VCO (Help!)

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jerrymelb

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Hi, everyone.

Dose any one know how to build an array of switching capacitors for high frequency VCO? Or any paper I could learn from?

I tried some transistor models, its on/off states are not clearly seperated.

Thanks in advance!

Regards
Jerry
 

to jerry

sorry, jerry ,i want to ask you a question, why do you need a array of switching capacitors? as i know, when we want to design a high frequency VCO, we usually use the parasitic capacitors.

thanks
newsun

jerrymelb said:
Hi, everyone.

Dose any one know how to build an array of switching capacitors for high frequency VCO? Or any paper I could learn from?

I tried some transistor models, its on/off states are not clearly seperated.

Thanks in advance!

Regards
Jerry
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