Question

11-21 In Fig. 11-44a, find VGS and ID using the transconductance curve of Fig. 11-45c. 11-22 In Fig. 11-45a, find VGS and VD using the transconductance curve of Fig. 11-45c. 11-23 In Fig. 11-45b, find VGS and ID using the transconductance curve of Fig. 11-45c. 11-24 Change RS in Fig. 11-45b from 1 k? to 2 k?. Use the curve of Fig. 11-45c to find VGS, ID, and VDS. SEC. 11-7 JFET AMPLIFIERS 11-28 If gm = 3000 ?S in Fig. 11-46a, what is the stage input impedance and ac output voltage? 11-29 The JFET amplifier of Fig. 11-46a has the transconductance curve of Fig. 11-46b. What is the approximate ac output voltage? 11-30 If the source follower of Fig. 11-47a has gm = 2000 ?S, what is the ac output voltage and stage output impedance? Figure 11-46

          11-21 In Fig. 11-44a, find VGS and ID using the transconductance curve of Fig. 11-45c.
11-22 In Fig. 11-45a, find VGS and VD using the transconductance curve of Fig. 11-45c.
11-23 In Fig. 11-45b, find VGS and ID using the transconductance curve of Fig. 11-45c.
11-24 Change RS in Fig. 11-45b from 1 k? to 2 k?. Use the curve of Fig. 11-45c to find VGS, ID, and VDS.
SEC. 11-7 JFET AMPLIFIERS
11-28 If gm = 3000 ?S in Fig. 11-46a, what is the stage input impedance and ac output voltage?
11-29 The JFET amplifier of Fig. 11-46a has the transconductance curve of Fig. 11-46b. What is the approximate ac output voltage?
11-30 If the source follower of Fig. 11-47a has gm = 2000 ?S, what is the ac output voltage and stage output impedance?
Figure 11-46

11-21 In Fig. 11-44a, find VGS and ID using the transconductance curve of Fig. 11-45c.
11-22 In Fig. 11-45a, find VGS and VD using the transconductance curve of Fig. 11-45c.
11-23 In Fig. 11-45b, find VGS and ID using the transconductance curve of Fig. 11-45c.
11-24 Change RS in Fig. 11-45b from 1 k? to 2 k?. Use the curve of Fig. 11-45c to find VGS, ID, and VDS.
SEC. 11-7 JFET AMPLIFIERS
11-28 If gm = 3000 ?S in Fig. 11-46a, what is the stage input impedance and ac output voltage?
11-29 The JFET amplifier of Fig. 11-46a has the transconductance curve of Fig. 11-46b. What is the approximate ac output voltage?
11-30 If the source follower of Fig. 11-47a has gm = 2000 ?S, what is the ac output voltage and stage output impedance?
Figure 11-46

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