Test: Analog Electronics - 1 - Electronics and Communication Engineering (ECE) MCQ

A class B Push pull amplifier with transformer coupled load uses two transistors rated 10W each what is maximum power output one can obtain at the load from circuit.

If the input to the ideal comparator shown in the figure is a sinusoidal signal of 8 V (peak to peak) without any DC component, then the output of the comparator has a duty cycle of

A 12 V monolithic regulator is adjusted to obtain a higher output voltage as shown in fig, then V₀ is:

For a transistor amplifier with self biasing network the following components are used.

R₁ = 4K, R₂ = 4K, R_e = 1 KΩ, then the value of stability factor (S) is ________.

For the circuit shown in figure assume β = 100, for the transistor, the Si transistor will be in

What is hysteresis voltage for a given Schmitt trigger circuit?
→ Vsat = ± 10 Volt

Feedback factor (β) of circuit is 

 Voltage Series feedback also called series-shunt feedback) results in

If given diode is ideal, then value of I is. 

In an amplifier with feedback following effects were observed Voltage gain (↓), input impedance (↑), output impedance (↓) and distortion (↓), this is a case of

A sinusoidal input voltage of frequency ω is fed to circuit shown in figure if C₁ >> C₂ and V_m is the peak value of input voltage, then what is the value of output voltage?

For given colpitt oscillator, if C₁ = 600 pF, C₂ = 300 pF and L = 50 µH, then the minimum value of gain to maintain oscillation is: