Questions from Electronics

Q: The application of a 10-mV, 100-kHz square

The application of a 10-mV, 100-kHz square wave to an amplifier resulted in the output wave- form of Fig. 9.90. a. Write the Fourier series expansion for the square wave through the ninth harmonic. b....

Q: Calculate the power gain in decibels for each of the following cases

Calculate the power gain in decibels for each of the following cases. a. Po = 100 W, Pi = 5 W. b. Po = 100 mW, Pi = 5 mW. c. Po = 100 mW, Pi = 20 mW.

Q: Determine GdBm for an output power level of 25 W.

Determine GdBm for an output power level of 25 W.

Q: Two voltage measurements made across the same resistance are V1 = 110

Two voltage measurements made across the same resistance are V1 = 110 V and V2 = 220 V. Calculate the power gain in decibels of the second reading over the first reading.

Q: Repeat Problem 21 using the exact (Thévenin) approach and compare

Repeat Problem 21 using the exact (Thévenin) approach and compare solutions. Based on the results, is the approximate approach a valid analysis technique if Eq. (4.33) is satisfied?

Q: Input and output voltage measurements of VI = 10 mV and VO

Input and output voltage measurements of VI = 10 mV and VO = 25 V are made. What is the voltage gain in decibels?

Q: a. The total decibel gain of a three-stage system

a. The total decibel gain of a three-stage system is 120 dB. Determine the decibel gain of each stage if the second stage has twice the decibel gain of the first and the third has 2.7 times the decibe...

Q: If the applied ac power to a system is 5 mW at

If the applied ac power to a system is 5 mW at 100 mV and the output power is 48 W, determine: a. The power gain in decibels. b. The voltage gain in decibels if the output impedance is 40 kΩ. c. The i...

Q: What is the output voltage in the circuit of Fig. 10

What is the output voltage in the circuit of Fig. 10.62?

Q: Sketch the output waveform resulting in Fig. 10.69.

Sketch the output waveform resulting in Fig. 10.69.