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ashishjain_1000
Joined: 25 Apr 2007
Posts: 10
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 25 Apr 2007 11:39 folded cascode amplifier |
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what are the advantages and disadvantages of folded cascode amplifier??
Can be designed rail to rail input voltage.... low output swing... high output impedance.....what else??
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25 Apr 2007 11:39 Ads |
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suria3
Joined: 05 Mar 2004
Posts: 325
Helped: 11
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25 Apr 2007 11:49 folded cascode advantages |
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Advantage : Higher gain
Disadvantage : Limited output Swing
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gingerjiang
Joined: 01 Mar 2006
Posts: 212
Helped: 11
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26 Apr 2007 1:27 cascode amplifier |
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| compared with telescopic, folded-cascoded has larger noise contribution, larger current dissipation.
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zizu
Joined: 18 Apr 2007
Posts: 16
Helped: 4
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26 Apr 2007 2:44 folded cascode amp |
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| It has larger output swing than telescopic and is suitable for rail-to-rail input stage.
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Tony Teng
Joined: 26 Apr 2007
Posts: 4
Helped: 1
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26 Apr 2007 4:31 folded cascade amplifier |
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advantage
1.seperate the ICMR and outputswing
2.high Gm without high power disspate
3.low noise
disadvantage
1.low speed
2.high powerdisspate
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satyasiva
Joined: 09 Nov 2006
Posts: 103
Helped: 3
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26 Apr 2007 7:45 advantages of folded cascode |
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| high gain is advantage. But it has pole at foling nodes which decreases it's speed.
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waxtomato
Joined: 01 Sep 2004
Posts: 98
Helped: 8
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26 Apr 2007 17:57 folded cascode advantage |
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DISAD:
folded opamp has larger silicon consumption
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