Question

1. In PSpice, set up the single stage amplifier circuit in Fig. 1. You may use IRF150 N-channel enhancement MOSFET (instead of BS170 that will be used in lab experiments). Check the DC operating voltages and currents. 2. Investigate the voltage gain of the amplifier by finding the ratio of the largest undistorted output over the input signal. You may select R1 to get a reasonable bias point and $V_{out}$ 3. Find input and output resistances by taking the ratio of input voltage over input current. (You may exercise voltage and current probes in PSpice.) 4. Run AC sweep to check the frequency response of the circuit. Find the corner frequencies of the amplifier. Change the value of $C_c$ to observe the bandwidth change of the circuit.

          1. In PSpice, set up the single stage amplifier circuit in Fig. 1. You may use IRF150 N-channel enhancement MOSFET (instead of BS170 that will be used in lab experiments). Check the DC operating voltages and currents.
2. Investigate the voltage gain of the amplifier by finding the ratio of the largest undistorted output over the input signal. You may select R1 to get a reasonable bias point and $V_{out}$
3. Find input and output resistances by taking the ratio of input voltage over input current. (You may exercise voltage and current probes in PSpice.)
4. Run AC sweep to check the frequency response of the circuit. Find the corner frequencies of the amplifier. Change the value of $C_c$ to observe the bandwidth change of the circuit.

1. In PSpice, set up the single stage amplifier circuit in Fig. 1. You may use IRF150 N-channel enhancement MOSFET (instead of BS170 that will be used in lab experiments). Check the DC operating voltages and currents.
2. Investigate the voltage gain of the amplifier by finding the ratio of the largest undistorted output over the input signal. You may select R1 to get a reasonable bias point and Vout
3. Find input and output resistances by taking the ratio of input voltage over input current. (You may exercise voltage and current probes in PSpice.)
4. Run AC sweep to check the frequency response of the circuit. Find the corner frequencies of the amplifier. Change the value of Cc to observe the bandwidth change of the circuit.

Added by Kristen S.

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