Differential Pair Amplifier

173

02:57:48

Differential Pair Amplifier with current source

published 8 years ago

eekee

8 years ago

hmm! not as bad as my first attempts, but it does distort. to see it, add another sine source with 3.2VDC, 1.6V amplitude, and 180 degree phase; just watch the output, don't connect it. i had better results with just 3 8k resistors.

eekee

8 years ago

http://everycircuit.com/circuit/5125731316400128

eekee

8 years ago

oh, constant current can help a lot: http://everycircuit.com/circuit/4751666229542912 i guess yours just needs adjusting, and maybe input resistors.

eekee

8 years ago

ah. in mine, i just tried dropping the 20k base resistors to 10k, and that made the output look a lot like yours. i suppose yours probably just needs base resistors.

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