A simple question about oscillator

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incol

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I use the differential ring oscillator, but the output is sinusoidal wave, if I want square wave, how to get it? Can I add a comparator, or there is other simple method? Thanks!!
 

yes, add a comparator
 

sunking said:
yes, add a comparator
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Which comparetor should I use, is a two stage comparator ok?
thanks!!
 

If you just want a square wave output, use a 555 timer or an op-amp/CMOS relaxation oscillator (plenty of examples in text books and on-line).
 

try to connect the output with 7414 smith trigger inverter i hope it can help you.
 

Is it a full custom design or made with off-the-shelf components. If it is a full custom, use the same amplfier cell to get out the loop and amplify the signal. Then place an inverter.
 

Just a smith trigger inverter is enough.
 

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