A MOSFET amplifier with the configuration in Figure B.2(b) is to be designed for use in a telephone circuit. The magnitude of the voltage gain, Av = V/Vsig. should be 10 in the mid-band range for Zi = 36 k2. The mid-band frequency range should extend from 300 Hz to 3.4 kHz. For this purpose, Cs is used to set the low cut-off frequency while Cp is used to set the high cut-off frequency. If the measured Q- point is VGsQ = 1.8 V, IDQ = 0.2 mA, and VpsQ = 5V: VDD = 9 V Rp R1 Vo Rig = 200 2 Cp R2 Vsig (i) Determine RD. (ii) Determine Cs and Cp. HE

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A MOSFET a,mplifier with the configuration is to be designed. Magnitude of voltage gain, Av=Vo/Vsig,  should be 10 in the mid-band range for Zi=36k ohm. Mid-band frequency range should extend from 300 Hz to 3.4k Hz. Cs is used to set the low cut-off frequency while Cp is used to set high cut-off frequency. If the measured Q-point is VGSQ=1.8 V, IDQ=0.2 mA, VDSQ=5 V.

1. Determine RD

2. Determine Cs and Cp

A MOSFET amplifier with the configuration in Figure B.2(b) is to be designed for
use in a telephone circuit. The magnitude of the voltage gain, A, =vo/Vsig, should be
10 in the mid-band range for Zi = 36 k2. The mid-band frequency range should
extend from 300 Hz to 3.4 kHz. For this purpose, Cs is used to set the low cut-off
frequency while Cp is used to set the high cut-off frequency. If the measured Q-
|
point is VGsQ = 1.8 V, IDQ = 0.2 mA, and VDSQ = 5V;
VDD = 9 V
RD
R1
Vo
Reig = 200 2
Cp
R2
Vsig
Zi
(i) Determine Rp.
(ii) Determine Cs and Cp.
HE
Transcribed Image Text:A MOSFET amplifier with the configuration in Figure B.2(b) is to be designed for use in a telephone circuit. The magnitude of the voltage gain, A, =vo/Vsig, should be 10 in the mid-band range for Zi = 36 k2. The mid-band frequency range should extend from 300 Hz to 3.4 kHz. For this purpose, Cs is used to set the low cut-off frequency while Cp is used to set the high cut-off frequency. If the measured Q- | point is VGsQ = 1.8 V, IDQ = 0.2 mA, and VDSQ = 5V; VDD = 9 V RD R1 Vo Reig = 200 2 Cp R2 Vsig Zi (i) Determine Rp. (ii) Determine Cs and Cp. HE
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