Question

R Vin(s) - Vout(s) For the above given RL circuit, a) (10p) Please define whether it is high-pass, low-pass or band-pass filter, b) (20p) Calculate R value for L-5 mH and fc-1496 hertz, e) (20p) Calculate L value for R-62 and fc-1973.5 hertz

Answer 1

Given circuit R ult Vin(s) Lvour(s) Transfer frenction SL - Vols) Vin(s) R+() put sa jw in transfer function IWL i. TF Volje) Vin(fw) R+jWL WL a Volw) Vincw) R² + w222 At low frequency 0= کرا Vola) Vin (6) - @ Wao At high frequency → Volw) Vio E1 2 CS Scanned with CamScanner

From the conclusions of@. The given Circuit diagram high pass filter. wolks as a i. The given RL circuit works as tegh pass filter fc Calculation . For high pass filter to calculate lower cut-off frequency Vacu(s) Vinos) 1 - Voutcs) WL Vines) RAWL - 反 R=WL > R = arfcL fc = R HZ 20L fc = 1496 H2, b geven L = 5 MH, R=? Sc=R TIL R = 21.fc XL R= 21 x 1496x5x103 R = 46.992 CS Scanned with CamScanner

given R = 62 ch, fc = 1913.5 H2, L= fc = R 62 L 21L R anfc 204 1973.5 55 mH 'Ri The circuit behaves like solution for High pass. filter b R = 46.99 = 17.2 5 тн CS Scanned with CamScanner