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[1] For all BJT biasing circuits shown in Fig. r,Fig.Z,Fig.3, and Fig.4.

(a) Find the transisror Q-poinr.

(b) Verify that all of these transistors are operating in active mode.

1-

.{.7I{Q

F_,,p=l{0

[2] Cornpute the node voltages and currents in the circuit shown in Fig.5.

[3] Determine the largest R6 that can be used in the circuit shown in Fig.6

so that the BJT remains in the active mode.

0s, ,r

IO

9

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Page 1

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[4] For the transistor circuit shown in Fig.7

(a) Prove that, it can act as an amplifier for srnali, time varying

signals.

(b) In terms of the

voltage gain A.,..

transistor transconductance g,,,, find the circuit

vc,

rfu

Vse

l\rt\\1t-,

Page2