Questions from Electronics

Q: a. Comment on the change in capacitance level with increase in

a. Comment on the change in capacitance level with increase in reverse-bias potential for the diode of Fig. 1.37. b. What is the level of C(0)? c. Using VK = 0.7 V, find the level of n in Eq. 1.9.

Q: Does the reverse saturation current of the diode of Fig. 1

Does the reverse saturation current of the diode of Fig. 1.37 change significantly in magnitude for reverse-bias potentials in the range —25 V to —100 V?

Q: For the diode of Fig. 1.37 determine the level

For the diode of Fig. 1.37 determine the level of IR at room temperature (25°C) and the boiling point of water (100°C). Is the change significant? Does the level just about double for every 10°C incre...

Q: If 48 eV of energy is required to move a charge through

If 48 eV of energy is required to move a charge through a potential difference of 3.2 V, deter- mine the charge involved.

Q: For the diode of Fig. 1.37, determine the

For the diode of Fig. 1.37, determine the maximum ac (dynamic) resistance at a forward cur- rent of 0.1, 1.5, and 20 mA. Compare levels and comment on whether the results support con- clusions derived...

Q: Using the characteristics of Fig. 1.37, determine the

Using the characteristics of Fig. 1.37, determine the maximum power dissipation levels for the diode at room temperature (25°C) and 100°C. Assuming that VF remains fixed at 0.7 V, how has the maximum...

Q: Using the characteristics of Fig. 1.37, determine the

Using the characteristics of Fig. 1.37, determine the temperature at which the diode current will be 50% of its value at room temperature (25°C).

Q: The following characteristics are specified for a particular Zener diode: VZ

The following characteristics are specified for a particular Zener diode: VZ = 29 V, VR = 16.8 V, IZT = 10 mA, IR = 20 mA, and IZM = 40 mA. Sketch the characteristic curve in the manner displayed in F...

Q: At what temperature will the 10-V Zener diode of Fig

At what temperature will the 10-V Zener diode of Fig. 1.47 have a nominal voltage of 10.75 V? (Note the data in Table 1.7.)

Q: Determine the temperature coefficient of a 5-V Zener diode (

Determine the temperature coefficient of a 5-V Zener diode (rated 25°C value) if the nominal voltage drops to 4.8 V at a temperature of 100°C.