Understanding two Multivibrator models

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Alex_Khan

Joined May 27, 2020
51
Hello,
I simulated the two multivibrator models in CMOS technology using the cadence tool. I was expecting the model 2 with Schmitt trigger(ST) will show robustness in PVT (Process Voltage temperature) analysis as compared to model 1 due to ST. But this was not the case both the Models shows the same response to PVT variation analysis means their outputs were stable under varying PVT conditions. Could anyone address my queries:

  1. Is Schmitt trigger in Model 2 having an edge over model 1?
Thanks.
 

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LowQCab

Joined Nov 6, 2012
1,084
There may be a better way of doing this.
Is there any reason why you want to use Logic Chips ??
Logic generally has very low Output-Current capabilities.
What is the purpose of the Oscillator ??
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