Two filters are in cascade. At a given frequency f 1, the
Chapter 6, Problem P6.49(choose chapter or problem)
Two filters are in cascade. At a given frequency f 1, the transfer function values are |H1(f 1)|dB = 25 and |H2(f 1)|dB = +15. Find the magnitude of the overall transfer function in decibels at f = f 1.
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