Syllabuses
Why three RC networks are needed for RC phase shift oscillator? Describe the construction of RC phase shift oscillator and explain its working. Also derive the expression for frequency of oscillation.
Why three RC networks are needed for RC phase shift oscillator? Describe the construction of RC phase shift oscillator and explain its working. Also derive the expression for frequency of oscillation.
What is the effect of a voltage series negative feedback amplifier in the following performance measures of a BJT amplifier. i) Input resistance ii) Output resistance iii) Bandwidth iv) Distortion and noise v) Gain Stability
What is the effect of a voltage series negative feedback amplifier in the following performance measures of a BJT amplifier.
i) Input resistance
ii) Output resistance
iii) Bandwidth
iv) Distortion and noise
v) Gain Stability
Draw the circuit diagram of a Wien bridge oscillator and briefly explain its operation. Derive the expression for frequency of oscillation.
Draw the circuit diagram of a Wien bridge oscillator and briefly explain its operation. Derive the expression for frequency of oscillation.
i) What do you understand by feedback in amplifiers? ii) What are the types of feedback? What are the advantages and disadvantages of negative feedback?
i) What do you understand by feedback in amplifiers?
ii) What are the types of feedback? What are the advantages and disadvantages of negative feedback?
With the help of characteristic curves and neat sketches explain the operation of the junction FET.
With the help of characteristic curves and neat sketches explain the operation of the junction FET.
Explain V-I characteristics of a PN junction diode and show that PN diode works as a Rectifier.
Explain V-I characteristics of a PN junction diode and show that PN diode works as a Rectifier.
How can a TTL gate drive N-CMOS gates? Explain with a truth table.
How can a TTL gate drive N-CMOS gates? Explain with a truth table.
What is look-ahead carry generator? Explain with a logic diagram.
What is look-ahead carry generator? Explain with a logic diagram.