Draw the AC equivalent circuit for the circuit shown and answer/find the followings: a) What is the amplifier configuration and roughly what is its core voltage gain, Av? For the next two sub-questions assume RB = 100K, RE= 1K, Rsig= 2.5K, R₁ = 4K and the transistor is biased at /ε= 1mA. assume ẞ= 100, |VBE| = 0.7 V and neglect ro. Usig b) Find the input resistance of the amplifier, Rin c) Find the output resistance of the amplifier, Rout Rsig w in ▲ Vcc A RB 8 RE Rout RL Vo

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a) What is the amplifier configuration and
roughly what is its core voltage gain, AV?


Assume  RB = 100K, RE = 1K, Rsig= 2.5K, RL = 4K and 
the transistor is biased at IE = 1mA. 
assume β = 100, |VBE|= 0.7 V and neglect 
ro .


b) Find the input resistance of the amplifier, Rin
c) Find the output resistance of the amplifier, Rout

Draw the AC equivalent circuit for the
circuit shown and answer/find the
followings:
a) What is the amplifier configuration and
roughly what is its core voltage gain, Av?
For the next two sub-questions assume
RB = 100K, RE= 1K, Rsig= 2.5K, R₁ = 4K and
the transistor is biased at /ε= 1mA.
assume ẞ= 100, |VBE| = 0.7 V and neglect
ro.
Usig
b) Find the input resistance of the amplifier, Rin
c) Find the output resistance of the amplifier, Rout
Rsig
w
in
▲ Vcc A
RB
8
RE
Rout
RL
Vo
Transcribed Image Text:Draw the AC equivalent circuit for the circuit shown and answer/find the followings: a) What is the amplifier configuration and roughly what is its core voltage gain, Av? For the next two sub-questions assume RB = 100K, RE= 1K, Rsig= 2.5K, R₁ = 4K and the transistor is biased at /ε= 1mA. assume ẞ= 100, |VBE| = 0.7 V and neglect ro. Usig b) Find the input resistance of the amplifier, Rin c) Find the output resistance of the amplifier, Rout Rsig w in ▲ Vcc A RB 8 RE Rout RL Vo
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