- #1
joel amos
- 104
- 0
Homework Statement
(a) If R1 = 4.7kΩ, what value for C1 will give a cutoff frequency of 50kHz?
(b) If the input voltage is described by the equation Vin = 3cos(2π(4000)t), what will the peak output voltage be?[/B]
Homework Equations
(a) fc = 1/(2πRC)
(b) Vout/Vin = 1/√(1 + (2πfRC)2)
The Attempt at a Solution
(a) I rearranged the equation to C = 1/(2πfcR). I got 71.2 pF but am uncertain.
(b) Not sure if this is the relevant equation. If it is, than I am uncertain how to get the frequency of the input voltage.