AC Analysis of BJT Circuits

Difference Between Common Base Common Emitter and Common Collector

Difference Between Common Base Common Emitter and Common Collector: Table 6-2 compares Zi, Zo, and Av, for difference Between Common Base Common Emitter and Common Collector circuits. As already discussed, the CE circuit has high voltage gain, medium input impedance, high output impedance, and a 180° phase shift from input to output. The CC circuit has …

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AC Load Line of BJT

AC Load Line of BJT: AC Equivalent Circuits – Capacitors behave as short-circuits to ac signals, so in the ac equivalent circuit for a transistor circuit all capacitors must be replaced with short-circuits. Power supplies also behave as ac short-circuits, because the dc supply voltage is not affected by ac signals. Also, all power supplies …

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