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Posts tagged small-signal

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Q&A Op Amp Hartley oscillator

Im designing a Hartley oscillator this time with a opamp providing the open-loop gain.I have tried drawing the small-signal analysis of my circuit to use KVL and KCL to find the conditions of opera...

1 answer  ·  posted 4mo ago by MissMulan‭  ·  last activity 4mo ago by Olin Lathrop‭

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Q&A Small signal analysis of BJT in saturation region

The small signal analysis of a BJT when the BJT is in amplification mode: is easy.However what happens when the BJT is in saturation mode? Can we replace the dependent current source with a r...

1 answer  ·  posted 5mo ago by MissMulan‭  ·  edited 5mo ago by MissMulan‭

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Q&A Re model of transistor is the same in 2 different configuration

I was studying the Re model of a transistor: But the Re model for 2 different configurations (common emitter and common base )turns out to be the same! I don't know why I am really confused.How...

2 answers  ·  posted 6mo ago by MissMulan‭  ·  last activity 6mo ago by LvW‭