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Figure 5 shows the circuit diagram for a two-stage amplifier. You may assume that the parameter is B= 0.03 A/V?, Vi = 0.5 V, and VA = 12 V for each transistor. All other values are shown beside the schematic. (a) What kind of configuration is used for the 2 stages amplifier? (b) What kind of amplifier is M1 part of ? and what about M2? In which region should both transistors operate for a better voltage amplification gain? Calculate the corresponding DC IDs for Mi and M2. (c)

Figure 5 shows the circuit diagram for a two-stage amplifier. You may assume that the parameter is B= 0.03 A/V?, Vi = 0.5 V, and VA = 12 V for each transistor. All other values are shown beside the schematic. (a) What kind of configuration is used for the 2 stages amplifier? (b) What kind of amplifier is M1 part of ? and what about M2? In which region should both transistors operate for a better voltage amplification gain? Calculate the corresponding DC IDs for Mi and M2. (c)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Q5 Figure 5 shows the circuit diagram for a two-stage amplifier. You may assume that the parameter is B= 0.03 A/V?, V = 0.5 V, and VA = 12 V for each transistor. All other values are shown beside the schematic. (а) What kind of configuration is used for the 2 stages amplifier? (b) What kind of amplifier is M1 part of ? and what about M2? In which region should both transistors operate for a better voltage amplification gain? Calculate the corresponding DC Ins for Mi and M2. (c) (d) Calculate transconductances gm and output resistances ro for both M1 and M2. Draw the combined small-signal equivalent circuit suitable for mid band frequency range analysis. State any assumption. (e) (f) Determine the numerical values for: (i) Voltage gain of the entire amplifier. (ii) Output resistance of the entire amplifier. VDD VDD = 2V Rp2 R = 4KN R2 = 4KQ R1 Rp1 HE Vout Cp2 M2 M1 Vin H Rp1 = 4K2 Rp2 = 4K2 Rsi = 4KQ CG R2 |Rsı +Csı Rs2 +Cs2 Rs2 = 6KN %3D Vss = 0 V Figure 5
Transcribed Image Text:Q5 Figure 5 shows the circuit diagram for a two-stage amplifier. You may assume that the parameter is B= 0.03 A/V?, V = 0.5 V, and VA = 12 V for each transistor. All other values are shown beside the schematic. (а) What kind of configuration is used for the 2 stages amplifier? (b) What kind of amplifier is M1 part of ? and what about M2? In which region should both transistors operate for a better voltage amplification gain? Calculate the corresponding DC Ins for Mi and M2. (c) (d) Calculate transconductances gm and output resistances ro for both M1 and M2. Draw the combined small-signal equivalent circuit suitable for mid band frequency range analysis. State any assumption. (e) (f) Determine the numerical values for: (i) Voltage gain of the entire amplifier. (ii) Output resistance of the entire amplifier. VDD VDD = 2V Rp2 R = 4KN R2 = 4KQ R1 Rp1 HE Vout Cp2 M2 M1 Vin H Rp1 = 4K2 Rp2 = 4K2 Rsi = 4KQ CG R2 |Rsı +Csı Rs2 +Cs2 Rs2 = 6KN %3D Vss = 0 V Figure 5
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