(b) For a MOSFET amplifier circuit shown in Figure Q.1, the transistor parameters are: Vr = Vas(TH) = 1.5V, k = 0.5 mA/V², ra = co, all junction and stray capacitances are neglected except Cwo. The circuit is to be designed such that: • The Vaso = 2.79 V • The input impedance, Z,= 155 k2 • The small signal voltage gain, A, = • The lower -3dB frequency associated with C1, fici = 20 • The upper -3dB frequency associated with Cwo, fito - 10 By performing DC and ac analysis, (i) Draw the ac equivalent circuit at mid-band frequency. (ii) Determine the value of the resistors Rị and R2. IVERITI TEKMOaGI MALAYSIA (iii) Determine the value of the transconductance, gm. (iv) Determine the value of the resistor Rp. VERSITIT (v) Calculate Vpso. (vi) Determine the value of C1 and Cwo. ALA
(b) For a MOSFET amplifier circuit shown in Figure Q.1, the transistor parameters are: Vr = Vas(TH) = 1.5V, k = 0.5 mA/V², ra = co, all junction and stray capacitances are neglected except Cwo. The circuit is to be designed such that: • The Vaso = 2.79 V • The input impedance, Z,= 155 k2 • The small signal voltage gain, A, = • The lower -3dB frequency associated with C1, fici = 20 • The upper -3dB frequency associated with Cwo, fito - 10 By performing DC and ac analysis, (i) Draw the ac equivalent circuit at mid-band frequency. (ii) Determine the value of the resistors Rị and R2. IVERITI TEKMOaGI MALAYSIA (iii) Determine the value of the transconductance, gm. (iv) Determine the value of the resistor Rp. VERSITIT (v) Calculate Vpso. (vi) Determine the value of C1 and Cwo. ALA
Chapter25: Television, Telephone, And Low-voltage Signal Systems
Section25.1: Television Circuit
Problem 5R: From a cost standpoint, which system is more economical to install: a master amplifier distribution...
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