Electronic Devices - BJT and FET Frequency Response - Discussion
Discussion Forum : BJT and FET Frequency Response - General Questions (Q.No. 32)
32.
In the input RC circuit of a single-stage BJT, by how much does the base voltage lead the input voltage for frequencies much larger than the cutoff frequency in the low-frequency region?
Discussion:
1 comments Page 1 of 1.
Sanjay said:
9 years ago
Phase angle = tan-1 (Xc÷R)
Xc prop 1÷(f).
Hence rise in f will lower Xc and hence tan-1( low value than cut off freq ) hence angle approaches towards 0.
Xc prop 1÷(f).
Hence rise in f will lower Xc and hence tan-1( low value than cut off freq ) hence angle approaches towards 0.
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