Recent questions in Analog and Digital Electronics

An $8$-bit, unipolar Successive Approximation Register type ADC is used to convert $3.5$ V to digital equivalent output. The reference voltage is $+5$ V. The output of th...

In the following chopper, the duty ratio of switch $S$ is $0.4$. If the inductor and capacitor are sufficiently large to ensure continuous inductor current and ripple fre...

In the given circuit, the silicon transistor has $\beta = 75$ and a collector voltage $V_{C} = 9V$. Then the ratio of $R_{B}$ and $R_{C}$ is _________.

A single-phase bi-directional voltage source converter $(VSC)$ is shown in the figure below. All devices are ideal. It is used to charge a battery at $400$ V with power o...

A full-bridge converter supplying an $RLE$ load is shown in figure. The firing angle of the bridge converter is $120$°. The supply voltage $v_{m}(t) =200\pi \sin (100\pi ...

A three-phase Voltage Source Inverter $(VSI)$ as shown in the figure is feeding a delta connected resistive load of $30 \Omega$/phase. If it is fed from a $600$ V battery...

A $DC-DC$ boost converter, as shown in the figure below, is used to boost $360$ V to $400$ V, at a power of $4$ kW. All devices are ideal. Considering continuous inductor...

The Boolean expression $\overline{(a+\bar{b}+c+\bar{d})+(b+\bar{c})}$ simplifies to$1$$\overline{a.b}$$a.b$$0$

The output expression for the Karnaugh map shown below is$A+\bar{B}$$A+\bar{C}$$\bar{A}+\bar{C}$$\bar{A}+C$

The current state $Q_{A} Q_{B}$ of a two $JK$ flip-flop system is $00$. Assume that the clock rise-time is much smaller than the delay of the $JK$ flip-flop. The next sta...

A $2$-bit flash Analog to Digital Converter $(ADC)$ is given below. The input is $0 \leq V_{IN} \leq 3$ Volts. The expression for the $LSB$ of the output $B_{o}$ as a Boo...

A steady dc current of $100$ $A$ is flowing through a power module $(S, D)$ as shown in Figure (a). The $V-I$ characteristics of the $IGBT (S)$ and the diode $(D)$ are sh...

Consider the following circuit which uses a $2$-to-$1$ multiplexer as shown in the figure below. The Boolean expression for output $F$ in terms of $A$ and $B$ is$A\oplus ...