Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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b) For correct operation as an ac amplifier a JFET must be correctly DC biased to
establish an appropriate Q-point, i.e a positive voltage VDs between the drain
and source terminals and a negative voltage VGs between the gate and drain
terminals. Figure 2.1 shows a circuit that can achieve this requirement. Explain
the role of each resistive element in this circuit.
Vin
RG1
Cin
HT
lin
RG2
VG
3º
Rs
+ VDD
¡VD Cout
Figure 2.1
Vout
Cs
¡out
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Transcribed Image Text:b) For correct operation as an ac amplifier a JFET must be correctly DC biased to establish an appropriate Q-point, i.e a positive voltage VDs between the drain and source terminals and a negative voltage VGs between the gate and drain terminals. Figure 2.1 shows a circuit that can achieve this requirement. Explain the role of each resistive element in this circuit. Vin RG1 Cin HT lin RG2 VG 3º Rs + VDD ¡VD Cout Figure 2.1 Vout Cs ¡out
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