Chapter: Electronic Circuits : BJT Amplifiers
Common Collector Amplifier Circuit
The load resistance is capacitor coupled to the emitter terminal of the transistor.
Common Collector Amplifier
Circuit:
From
above circuit, D.C. biasing is provided by R1, R2 and RE.
The load resistance is capacitor coupled to the emitter terminal of the
transistor. When a signal is applied to base of the transistor, VB
is increased and decreased as the signal goes positive and negative
respectively.
From
figure, VE = VB - VBE
Consider
VBE is constant, so the variation in VB appears at
emitter and emitter voltage VE will vary same as base voltage VB.
In common collector circuit, emitter terminal follows the signal voltage
applied to the base. It is also known as emitter follower.
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Electronic Circuits : BJT Amplifiers : Common Collector Amplifier Circuit |
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Electronic Circuits : BJT Amplifiers