how to calculate cutoff frequency in this circuit?
the diagram shown is -RC-low-pass filter, calculate
a) cutoff frequency, fc
b) vout at cutoff frequency
c) sudut fasa, (something related to angle, i guess)
(take Vin = 10 Vpp for all frequency)
Cutoff Frequency – Fc
——————————-
Fc = 1/( 2πRC)
Fc = 1/( 2πR (10-8))
Fc = 15,915,494 / R
Vout @ fc
—————
Vout = Vin 1/√[(1 + ω²R²C²)]
Vout = Vin 1/√[(1 + 1)]
Vout = Vin 1/√2 = .707 Vin
udut fasa, (something related to angle, i guess) ?
———————————————————————–
???
For a sine wave at fc, Z = R + jXc
basically arctan(Xc/R) = 45° = π/4
Vrms = 10 sin(45) = 7.07 Vrms
RB3 Hey Man Nice Shot Expert Pro Guitar 100% FC
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