Aim
– Design
and simulation of a differential amplifier (with resistive load, current source
biasing).
Simulator
Used
– PSpice.
Theory
–Differential amplifier is a
closed loop amplifier circuit which amplifies the difference between two
signals. Such a circuit is very useful in instrumentation systems. Differential
amplifiers have high common mode rejection ratio (CMRR) and high input
impedance.
Here, single input unbalanced output configuration of bjt
differential amplifier is used. In
this case, only one input signal is given and the output is taken
from only one of the two collectors with respect to ground.
Circuit
Diagram –
Result
–
Conclusion
- Design
and simulation of a differential amplifier (with resistive load, current source
biasing) has been performed.
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