7.48 The transistor amplifier in Fig. P7.48 is biased with a current source I and has a very high β. Find the dc voltage at the collector, VC. Also, find the value of re. Replace the transistor with the T model of Fig. 7.26(b) (note that the dc current source I should be replaced with an open circuit). Hence find the voltage gain vc/vi.

48 12 - 7.48 The transistor amplifier in Fig. P7.48 is biased with a current source I and has a very high β. Find the dc voltage at the collector, VC. Also, find the value of re. Replace the transistor with the T model of Fig. 7.26(b) (note that the dc current source I should be replaced with an open circuit). Hence find the voltage gain vc/vi.

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images - 7.48 The transistor amplifier in Fig. P7.48 is biased with a current source I and has a very high β. Find the dc voltage at the collector, VC. Also, find the value of re. Replace the transistor with the T model of Fig. 7.26(b) (note that the dc current source I should be replaced with an open circuit). Hence find the voltage gain vc/vi.

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