Question

Consider the transistor amplifier shown in Figure B1 overleaf. You may assume
that the input and output capacitors are sufficiently large to present a negligible
impedance to frequencies of interest.
a)
The output impedance of the amplifier is required to be no larger than
100 0, with a gain of -8. Specify suitable values for the two resistors,
Rc and Re.
b)
The DC operating point of the amplifier output is to be chosen to
support the maximum output swing possible (both positive and
negative). Define a suitable quiescent collector current to achieve
this.
c)
Hence, or otherwise, specify a suitable base bias voltage for the
transistor
d)
Based on your answers to the above, specify values for R. and R2.
Figure Ble, overleaf, shows the small signal model for the amplifier
without the input bias network attached. The input Impedance for this
circuit can be approximated by​

Answer 1

Answer:

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