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An amplifier can be used to adapt the range of a signal to a requirement, to make it more robust for transmission, or to satisfy interface requirements (like input/output impedance).

1 vote
3 answers
2k views

BJT 2 stage Amp. Output problem

The signal is input into a common emitter amplifier with a AC gain of around 115. …
hacker804's user avatar
  • 600
2 votes
1 answer
2k views

Single Supply Audio Amplifier

I am currently designing an audio amplifier using the LM324. I am operating from a single supply of 9 V. …
hacker804's user avatar
  • 600
1 vote
0 answers
73 views

How is this amplifier stable at 1GHz

The task is to design a amplifier for maximum gain, which means conjugate matching. … My question is then, how is the amplifier stable? The solution gives the answer as that the amplifier is stable. …
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  • 600