Recent questions in Analog and Digital Electronics

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122 views
In the linear regulator circuit shown, the base to emitter voltage $\mathrm{V}_{\mathrm{BE}}$ of the BJT is $0.6$ V. The Zener diode clamps the base voltage to $5.4$ V. I...
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81
81 views
In the circuit shown, the open loop gain of the operational amplifier is $\mathrm{A}_{0}=105$.What is the voltage gain of the circuit?(Round off to two decimal places)$-1...
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88
88 views
The digital circuit shown has $3$ inputs $(x, y$, and $z)$.The simplified logical expression for the output (OUT) is:$\bar{x} \overline{y z}$$0$$\bar{x}(y+z)$$1$
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63
63 views
The MOSFET switches shown in the circuit are ideal.Which of the following is the correct option for Boolean logical expression of the output (OUT), and the maximum possib...
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437
437 views
Which one of the following statements is true about the small signal voltage gain of a MOSFET based single stage amplifier?Common source and common gate amplifiers are bo...
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427
427 views
Assuming ideal op-amps, the circuit represents asumming amplifier.difference amplifier.logarithmic amplifier.buffer.
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349
349 views
A nullator is defined as a circuit element where the voltage across the device and the current through the device are both zero. A series combination of a nullator and a ...
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286
286 views
A Boolean function is given as\[f=(\bar{u}+\bar{v}+\bar{w}+\bar{x}) \cdot(\bar{u}+\bar{v}+\bar{w}+x) \cdot(\bar{u}+v+\bar{w}+\bar{x}) \cdot(\bar{u}+v+\bar{w}+x)\]The simp...
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573
573 views
In the circuit, $I_{D C}$ is an ideal current source. The transistors $M_{1}$ and $M_{2}$ are assumed to be biased in saturation, wherein $V_{\text {in }}$ is the input s...
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253
253 views
The op-amps in the following circuit are ideal. The voltage gain of the circuit is $\_\_\_\_\_\_\_\_\_\_\_$ (round off to the nearest integer).
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911
911 views
​​​​Simplified form of the Boolean function\[F(P, Q, R, S)=\bar{P} \bar{Q}+\bar{P} Q S+P \bar{Q} \bar{R} \bar{S}+P \bar{Q} R \bar{S}\]is$\bar{P} S+\bar{Q} \bar{S}$$\bar{P...
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2.1k
2.1k views
​​​​​In the circuit, the present value of $Z$ is $1$. Neglecting the delay in the combinatorial circuit, the values of $S$ and $Z$, respectively, after the application of...
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1.4k
1.4k views
​​​​​To obtain the Boolean function $\text{F(X, Y)}=\text{X} \bar{\text{Y}}+\bar{\text{X}}$, the inputs $\text{PQRS}$ in the figure should be$1010$$1110$$0110$$0001$
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958
958 views
​​​​​​A $\text{BJT}$ biasing circuit is shown in the figure, where $V_{B E}=0.7 \mathrm{~V}$ and $\beta=100$. The Quiescent Point values of $V_{C E}$ and $I_{C}$ are resp...
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763
763 views
A difference amplifier is shown in the figure. Assume the op-amp to be ideal. The $\text{CMRR}$ (in $\mathrm{dB}$ ) of the difference amplifier is ___________ (rounded of...
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419
419 views
Consider the $\mathrm{OP} \mathrm{AMP} $ based circuit shown in the figure. Ignore the conduction drops of diodes $\text{D}_{1}$ and $\text{D}_{2}$. All the components a...
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310
310 views
An $8$-bit $\text{ADC}$ converts analog voltage in the range of $0$ to $+5 \mathrm{~V}$ to the corresponding digital code as per the conversion characteristics shown in f...
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246
246 views
In a given $8$-bit general purpose micro-controller there are following flags. $\text{C-Carry, A-Auxiliary Carry, O-Overflow flag, P-Parity}$ ($0$ for even, $1$ for odd) ...
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843
843 views
The Zener diode in circuit has a breakdown voltage of $ 5 \mathrm{~V} \text .$ The current gain $\beta$ of the transistor in the active region in $99.$ Ignore base-emitte...
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714
714 views
For an ideal $\text{MOSFET}$ biased in saturation, the magnitude of the small signal current gain for a common drain amplifier is$0$$1$$100$infinite