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need help with vco

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teferi

New Member
I think amplitude shift keying can be realized using voltage controlled oscillator(vco) as main component .
1 - how can I build the vco cicuit for square wave input (v ctrl) and output
at radio frequency (RF) stage.
2- If any other simple method ,using L,C,R and transistor...., to build amplitude
shift keying (ASK)
3-any help is appreciated.

thanks.
 

ccurtis

Well-Known Member
Shifting the frequency with a VCO control voltage is frequency shift keying (FSK), not ASK.
 
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