Divide 10100012 by 10012.

Convert binary number 1100111012 to its BCD code.

Design a regulated power supply using LM 337 to provide  - 20 V output.

For Fig. 9.4 of your study material, the formula for feedback loop gain is

where AV is the fixed gain of IC380. Design and draw the circuit using IC380 to obtain the gain of 100.

Design and draw a circuit using an op-amp to get + 8 V at output for input less than +4 V and - 8 V at output for input greater than +4 V.

You want to amplify an input signal with 10 mV amplitude and 50 MHz frequency. Which characteristics of op-amp will be significant in this case? What will be the value of these parameters? Why?

The turns ratio of a transformer used in half wave rectifier is 20:1. The primary is connected to the power mains: 220 V, 50 Hz. If the diode resistance in forward bias is 20  and the load resistance, RL is 500 , determine

i) the peak value, the dc value and the rms value of current

; ii) the ripple factor; and

iii) the rectification efficiency

State the Barkhausen criterion for sustained oscillation. Explain the operation of Colpitts oscillator. A Colpitts oscillator oscillates with frequency 10 MHz, determine the equivalent capacitance, C forming tank circuit with 0.1 mH inductor.

On the basis of their biasing, with the help of appropriate diagrams, justify the uses of Class A, AB and C amplifiers for various applications.

Why is it necessary in the case of cascade amplifier to use coupling network between the two stages? What are the advantages of transformer coupling

Explain the effect of doping on the energy band diagram of a semiconductor

State the biasing conditions for E-B and C-B junctions in a BJT for its proper operation. Explain the output characteristics of a CE configuration of an amplifier.

Bandwidth of an RLC series circuit is 100 kHz. If the value of L is 0.1 mH then determine the values of R and C in order to make Q of this circuit equal to 5.

Find the Thevenin equivalent for the circuit shown in Fig. 1 between terminals a and b. Calculate the current in and the voltage across the load resistance RL.

In a CRO sweep generator output is given to the vertical deflection plates.

All the logic gates can be realized using combination of only OR and NOT gates

Largest decimal number represented by a 3-digit hex number is 999

IC LM317 is a small signal amplifier used to amplify audio frequency voltage.

When same voltage is applied to both the inputs of an op-amp the output voltage is infinite

Ripple factor of a center tapped full wave rectifier is greater than that of a bridge rectifier, which uses four diodes