Questions from Electronics

Q: Find the piecewise-linear equivalent circuit for the germanium and gallium

Find the piecewise-linear equivalent circuit for the germanium and gallium arsenide diodes of Fig. 1.18.

Q: a. Referring to Fig. 1.33, determine the

a. Referring to Fig. 1.33, determine the transition capacitance at reverse-bias potentials of —25 V and —10 V. What is the ratio of the change in capacitance to the change in voltage? b. Repeat par...

Q: a. How much energy in joules is required to move a

a. How much energy in joules is required to move a charge of 12 mC through a difference in potential of 6 V? b. For part (a), find the energy in electron-volts.

Q: Referring to Fig. 1.33, determine the diffusion capacitance

Referring to Fig. 1.33, determine the diffusion capacitance at 0 V and 0.25 V.

Q: Describe in your own words how diffusion and transition capacitances differ.

Describe in your own words how diffusion and transition capacitances differ.

Q: Determine the reactance offered by a diode described by the characteristics of

Determine the reactance offered by a diode described by the characteristics of Fig. 1.33 at a forward potential of 0.2 V and a reverse potential of —20 V if the applied frequency is 6 MHz.

Q: The no-bias transition capacitance of a silicon diode is 8

The no-bias transition capacitance of a silicon diode is 8 pF with VK = 0.7 V and n = 1>2. What is the transition capacitance if the applied reverse bias potential is 5 V?

Q: Find the applied reverse bias potential if the transition capacitance of a

Find the applied reverse bias potential if the transition capacitance of a silicon diode is 4 pF but the no-bias level is 10 pF with n = 1>3 and VK = 0.7 V.

Q: Sketch the waveform for i of the network of Fig. 1

Sketch the waveform for i of the network of Fig. 1.57 if tt = 2ts and the total reverse recovery time is 9 ns. FIG. 1.57 Problem 45.

Q: Plot IF versus VF using linear scales for the diode of Fig

Plot IF versus VF using linear scales for the diode of Fig. 1.37. Note that the provided graph employs a log scale for the vertical axis (log scales are covered in Sections 9.2 and 9.3).