The circuit shown below is an example of a
Of the four characteristic given below, which are the major requirements for an instrumentation amplifier? P. High common mode rejection ratio Q. High input impedance R. High linearity S. High output impedance
Consider the circuit shown in the figure,. In this circuit R = 1k$\mathrm{\Omega}$, and C=1$\mathrm{\mu}$F. The input voltage is sinusoidal with a frequency of 50 Hz, represented as phasor with magnitude ${V}_{\mathit{i}}$ and phase angle 0 radian as shown in the figure. The output voltage is represented as a phasor with magnitude ${V}_{0}$ and phase angle δ radian. What is the value of the output phase angle δ (in radian) relative to the phase angle of the input voltage?
The op-amp shown in the figure has a finite gain A = 1000 and an infinite input resistance. A step-voltage ${V}_{i}$= 1 mV is applied at the input at time t = 0 as shown. Assuming that the operational amplifier is not saturated, the time constant (in millisecond) of the output voltage ${V}_{0}$ is
The operational amplifier shown in the figure is ideal. The input voltage (in Volt) is ${V}_{1}=2\mathrm{sin}\left(2\mathrm{\pi}\times 2000\mathrm{t}\right)$. The amplitude of the output voltage ${V}_{0}$ (in Volt) is ________.
The filters F1 and F2 having characteristics as shown in Figures (a) and (b) are connected as shown in Figure (c).
The cut-off frequencies of F1 and F2 are ${f}_{1}$ and ${f}_{2}$ respectively. If ${f}_{1}$< ${f}_{2}$, the resultant circuit exhibits the characteristics of a
The saturation voltage of the ideal op-amp shown below is ±10 V. The output voltage ${v}_{0}$ of the following circuit in the steady-state is
Given that the op-amps in the figure are ideal, the output voltage V_{0} is
In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function $\frac{{V}_{0}\left(\omega \right)}{{V}_{i}\left(\omega \right)}$ ?
An operational-amplifier circuit is shown in the figure.
The output of the circuit for a given input v_{i} is
The transfer characteristic of the Op-amp circuit shown in figure is
In the circuit shown below what is the output voltage (V_{out}) in Volts if a silicon transistor Q and an ideal op-amp are used?
In the circuit shown below the op-amps are ideal. Then V_{out} in Volts is
The circuit shown is a
A low – pass filter with a cut-off frequency of 30Hz is cascaded with a high-pass filter with a cut-off frequency of 20Hz. The resultant system of filters will function as
for the circuit shown below
The CORRECT transfer characteristic is
Given that the op-amp is ideal, the output voltage V_{0} is
The nature of feedback in the opamp circuit shown is
The following circuit has R = 10kΩ, C = 10µF The input voltage is a sinusoid at 50Hz with an rms value of 10V. Under ideal conditions, the current i_{S} from the source is
Transformer and emitter follower can both be used for impedance matching at the output of an audio amplifier. The basic relationship between the input power P_{in} and output power P_{out} in both the cases is
An ideal opamp circuit and its input waveform are shown in the figures. The output waveform of this circuit will be
The block diagrams of two types of half wave rectifiers are shown in the figure. The transfer characteristics of the rectifiers are also shown within the block.
It is desired to make full wave rectifier using above two half-wave rectifiers. The resultant circuit will be
(D)
A waveform generator circuit using OPAMPs is shown in the figure. It produces a triangular wave at point ‘P’ with a peak to peak voltage of 5 V for V_{i} = 0 V.
If the voltage V_{i} is made +2.5 V, the voltage waveform at point ‘P’ will become
(A)
(B)
(C)
A general filter circuit is shown in the figure:
If R_{1} = R_{2} = R_{A} and R_{3} = R_{4} = R_{B}, the circuit acts as a
The output of the filter in Q.80 is given to the circuit shown in figure : The gain v/s frequency characteristic of the output (v_{o}) will be
The circuit shown in the figure is
The switch S in the circuit of the figure is initially closed, it is opened at time t = 0. You may neglect the zener diode forward voltage drops. What is the behavior of V_{OUT} for t > 0?