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Differential to Single end convertion, need 50% duty cycle.

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yolande_yj

yolande_yj

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I have a VCO with differential output, I want to convert them to single end output. The single end output should have the same frequency of the differential one, and its duty cycle shoule be 50%. The circuit is for low frequency (10MHz) application, I am not going to use balun. Can I do that?
 

Re: Differential to Single end convertion, need 50% duty cyc

One option is a differential amplifier .. see picture below ..
Input => differential ..
Output => single ended from RC and GND ..

Regards,
IanP
 

Re: Differential to Single end convertion, need 50% duty cyc

IanP said:
One option is a differential amplifier .. see picture below ..
Input => differential ..
Output => single ended from RC1 or RC2 and GND ..

Regards,
IanP
Click to expand...
I cann't see the this circuit can ensure the 50% duty cycle. can u explain?
 

sine wave output?
then filter it and you'll have a nice sine wave

square wave output?
differential input single output amplifier/comparator can do it.

if your input is symmetrical, and the amplifier/comparator is low offset/noise, 50% duty cycle is ensured.
 

Re: Differential to Single end convertion, need 50% duty cyc

strennor said:
sine wave output?
then filter it and you'll have a nice sine wave

square wave output?
differential input single output amplifier/comparator can do it.

if your input is symmetrical, and the amplifier/comparator is low offset/noise, 50% duty cycle is ensured.
Click to expand...
for 50%, are u sure? how?
 

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