Question
Download Solution PDFThe Bandwidth of an n-stage tuned amplifier, with each stage having a bandwidth of B, is given by
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Because of Cascading connection, the gain of the amplifier increases, and the Bandwidth of the circuit reduces.
\(\rm Overall \ BW={BW}_n=BW \sqrt{ (2^{\frac {1}{n}}-1)}\)
n is the number of stages (number of amplifiers cascaded)
Important Points
The gain of multistage amplifier increases.
As the product of gain and bandwidth is constant, the bandwidth decreases.
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