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PROBLEM 7.3 A two-stage amplifier is shown in Figure 7.75. It is constructed by cascading two one-stage amplifiers of the type seen in Problem 7.2. In analyzing this amplifier, use the MOSFET model described in Problem 7.2 and illustrated in Figure 7.74. V.

PROBLEM 7.3 A two-stage amplifier is shown in Figure 7.75. It is constructed by cascading two one-stage amplifiers of the type seen in Problem 7.2. In analyzing this amplifier, use the MOSFET model described in Problem 7.2 and illustrated in Figure 7.74. V.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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PROBLEM 7.3 A two-stage amplifier is shown in Figure 7.75. It is constructed by cascading two one-stage amplifiers of the type seen in Problem 7.2. In analyzing this amplifier, use the MOSFET model described in Problem 7.2 and illustrated in Figure 7.74. Vs Vs R + + VOUT VIN VMID a) The fact that a second amplifier stage is connected to the first amplifier stage does not change the operation of the first stage. That is, the relation between vMID VN here is the same as the relation between VOUT and vin in Problem 7.2. Why? What terminal characteristic of the second MOSFET must change in order for this and not to be true? b) Derive the relation between vMID and vN for 0 < vN, and the relation between for 0 < VMID < Vs. (Hint: see Problem 7.2.) VOUT and UMID c) Derive the relation between VOUT and VỊN for 0 < vN. www
Transcribed Image Text:PROBLEM 7.3 A two-stage amplifier is shown in Figure 7.75. It is constructed by cascading two one-stage amplifiers of the type seen in Problem 7.2. In analyzing this amplifier, use the MOSFET model described in Problem 7.2 and illustrated in Figure 7.74. Vs Vs R + + VOUT VIN VMID a) The fact that a second amplifier stage is connected to the first amplifier stage does not change the operation of the first stage. That is, the relation between vMID VN here is the same as the relation between VOUT and vin in Problem 7.2. Why? What terminal characteristic of the second MOSFET must change in order for this and not to be true? b) Derive the relation between vMID and vN for 0 < vN, and the relation between for 0 < VMID < Vs. (Hint: see Problem 7.2.) VOUT and UMID c) Derive the relation between VOUT and VỊN for 0 < vN. www
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