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Why folded cascode is very popular building block in CMOS amplifier? Explain its advantages over double cascode.
written 4.8 years ago by gravatar for vedantchikhale vedantchikhale • 830 modified 2.0 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k
analog electronics
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written 4.8 years ago by gravatar for vedantchikhale vedantchikhale • 830

Advantages:-

  1. Easy to stabilize.

  2. Output swing is much better than telescopic and slightly worse than common source output stage

  3. Input common mode is at least as good as two stage amplifier. There is a modified topology where input common mode can go close to rails on both sides.

  4. Input referred …

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