Questions from Electronics


Q: For a particular JFET if ID = 4 mA when VGS =

For a particular JFET if ID = 4 mA when VGS = —3 V, determine VP if IDSS = 12 mA.

See Answer

Q: Given IDSS = 6 mA and VP = - 4.5

Given IDSS = 6 mA and VP = - 4.5 V: a. Determine ID at VGS = - 2 and - 3.6 V. b. Determine VGS at ID = 3 and 5.5 mA.

See Answer

Q: For the feedback amplifier of Fig. 4.144 determine

For the feedback amplifier of Fig. 4.144 determine a. the base and collector current of each transistor. b. the base, emitter, and collector voltages of each transistor.

See Answer

Q: Given the typical values of hie = 1 kΩ, hre =

Given the typical values of hie = 1 kΩ, hre = 2 * 10-4, and Av = - 160 for the input con- figuration of Fig. 5.185:

See Answer

Q: Given the typical values of RL = 2.2 kΩ and

Given the typical values of RL = 2.2 kΩ and hoe = 20 mS, is it a good approximation to ignore the effects of 1>hoe on the total load impedance? What is the percentage difference...

See Answer

Q: Repeat Problem 62 using the average values of the parameters of Fig

Repeat Problem 62 using the average values of the parameters of Fig. 5.92 with Av = - 180.

See Answer

Q: Repeat Problem 63 for RL = 3.3 kΩ and the

Repeat Problem 63 for RL = 3.3 kΩ and the average value of hoe in Fig. 5.92.

See Answer

Q: a. Given b = 120, re = 4.5

a. Given b = 120, re = 4.5 Ω, and ro = 40 kΩ, sketch the approximate hybrid equivalent circuit. b. Given hie = 1 kΩ, hre = 2 * 10-4, hfe = 90, and hoe = 20 mS, sketch the re model.

See Answer

Q: For the network of Problem 11: a. Determine re

For the network of Problem 11: a. Determine re. b. Find hfe and hie. c. Find Zi and Zo using the hybrid parameters. d. Calculate Av and Ai using the hybrid parameters. e. Determine Zi and Zo if hoe =...

See Answer

Q: For the network of Fig. 5.186: a

For the network of Fig. 5.186: a. Determine Zi and Zo. b. Calculate Av and Ai. c. Determine re and compare bre to hie.

See Answer