Test 2 - Analog Circuits (Electronics and Communication)
Description: Second test of Analog Circuits (Electronics and Communication) | |
Number of Questions: 20 | |
Created by: Yashbeer Singh | |
Tags: Analog Circuits |
In the following limiter circuit, an input voltage Vi = 10 sin 100 $\pi$t is applied. Assume that the diode drop is 0.7 V when it is forward biased. The zener breakdown voltage is 6.8 V. The maximum and minimum values of the output voltage respectively are
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is
The circuit below implements a filter between the input current ii and the output voltage vo. Assume that the opamp is ideal. The filter implemented is a
Assume that the $\beta$ of transistor is extremely large and VBE = 0.7V, IC and VCE in the circuit are shown in the figure.
Identify the circuit in the following figure?
For an npn transistor connected as shown in figure, VBE = 0.7 Volts. Given that reverse saturation current of the junction at room temperature 300°K is 10-13 A, the emitter current is
In the Op-Amp circuit shown, assume that the diode current follows the equation I = Is exp (V/VT). For Vi = 2V, V0 = V01, and for Vi = 4 V, V0 = V02. The relationship between V01 and V02 is
If the op-amp in figure is ideal, the output voltage Vout will be equal to
In the following a stable multivibrator circuit, which properties of v0 (t) depend on R2?
In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7 V. The thermal voltage Vt = kT/q = 25 mV and small signal input vi = Vp cos $\omega t$ where Vp = 100 mV.
The ac output voltage vac is
In the amplifier circuit shown in figure, the values of R1 and R2 are such that the transistor is operating at VCE = 3V and IC = 1.5mA when its $\beta$is 150. For a transistor with $\beta$of 200, the operating point (VCE, IC) is
In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7 V. The thermal voltage Vt = kT / q = 25mV. The small signal input vi = Vp cos $\omega t$ where Vp = 100 mV.
The bias current IDC through the diodes is
An ideal op-amp is an ideal
In the circuit shown below, capacitors C1 and C2 are very large and are shorts at the input frequency. vi is a small signal input. The gain magnitude $\left | \dfrac{V_0}{V_1} \right |$ at 10 M
The correct full wave rectifier circuit is
The circuit shown in figure is best described as a
The amplifier circuit shown below uses a silicon transistor. The capacitors CC and CE can be assumed to be short at signal frequency and the effect of output resistance R0 can be ignored. If CE is disconnected from the circuit, which one of the following statements is TRUE?
The circuit shown in a
The cascode amplifier is a multistage configuration of