Questions from Electronics

Q: Determine the output voltage for the circuit of Fig. 11.

Determine the output voltage for the circuit of Fig. 11.51.

Q: Determine the output voltage for the circuit of Fig. 11.

Determine the output voltage for the circuit of Fig. 11.52.

Q: Show the connection (including pin information) of an LM124 IC

Show the connection (including pin information) of an LM124 IC stage connected as a unity- gain amplifier.

Q: Calculate the input and output power for the circuit of Fig.

Calculate the input and output power for the circuit of Fig. 12.35. The input signal results in a base current of 5 mA rms.

Q: Draw the circuit diagram of a class A transformer-coupled amplifier

Draw the circuit diagram of a class A transformer-coupled amplifier using an npn transistor.

Q: Draw the circuit diagram of a class B npn push–pull

Draw the circuit diagram of a class B npn push–pull power amplifier using transformer- coupled input.

Q: For a class B amplifier providing a 22-V peak signal

For a class B amplifier providing a 22-V peak signal to an 8-Ω load and a power supply of VCC = 25 V, determine: a. Input power. b. Output power. c. Circuit efficiency.

Q: For a class B amplifier with VCC = 25 V driving an

For a class B amplifier with VCC = 25 V driving an 8-Ω load, determine: a. Maximum input power. b. Maximum output power. c. Maximum circuit efficiency.

Q: Calculate the efficiency of a class B amplifier for a supply

Calculate the efficiency of a class B amplifier for a supply voltage of VCC = 22 V driving a 4-Ω load with peak output voltages of: a. VL(p) = 20 V. b. VL(p) = 4 V.

Q: For the collector-feedback configuration of Fig. 4.129

For the collector-feedback configuration of Fig. 4.129, determine: a. IB. b. IC. c. VC.