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4hv.org :: Forums :: General Science and Electronics
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Inverting class b push-pull?

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flannelhead
Thu Feb 14 2008, 04:35PM Print
flannelhead Registered Member #952 Joined: Mon Aug 13 2007, 11:07AM
Location: Finland
Posts: 388
Could an inverting class b push-pull amplifier done like this or is there some reason why it can't be done?

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Arcstarter
Thu Feb 14 2008, 05:05PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
i have always wondered if i could do that with mosfets so i could drive a sstc better
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Dr. Dark Current
Thu Feb 14 2008, 05:31PM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
spark wrote ...

Could an inverting class b push-pull amplifier done like this or is there some reason why it can't be done?

Pull
It would only work if you included base resistors, otherwise the transistors will short out the power supply through their base "diodes" and be destroyed.
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cbfull
Thu Feb 14 2008, 05:36PM
cbfull Registered Member #187 Joined: Thu Feb 16 2006, 02:54PM
Location: Central Ohio
Posts: 140
Don't PNP transistors generally have poor characteristics when used in higher power applications?
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