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Coupling Capacitors
Are coupling capacitors always needed at the input stage of a power amp?
And usually, how is there value chosen? Zc = 1/jwC == |Zc| = 1/wC Lets take 30 Hz as our low frequency, then |Zc| = 1/2*pi*30*C Ok, then we get a value |Zc| = 1/kC What determines the value of C? Is it the input impedance of the amplifier? Thanks |
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