/diy/ - Do It Yourself

Anonymous Sat Feb 4 09:53:00 2017 No.1125961 [View]
File: 308 KB, 1809x909, amplifier.png [View same] [iqdb] [saucenao] [google]

Can anyone help me understand why this common emitter amplifier isn't working?

I thought replacing Re with a current source, in this case a current mirror, was supposed to improve linearity or something but now I don't get any output.

Also, how do I calculate input impedance with a current mirror instead of emitter resistor? The Zin = β*Re formula doesn't work for that.

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/diy/ - Do It Yourself

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