Recent questions tagged feed-back-resistor

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GATE Electrical 2014 Set 3 | Question: 22
An operational-amplifier circuit is shown in the figure. The output of the circuit for a given input $v_i$ is $- \bigg (\dfrac{R_2}{R_1} \bigg)v_i \\$ $- \bigg (1+\dfrac{R_2}{R_1} \bigg )v_i \\$ $\bigg (1+\dfrac{R_2}{R_1} \bigg)v_i \\$ +$V_{\text{sat}} \text{ or } -V_{ \text{sat}}$

An operational-amplifier circuit is shown in the figure.The output of the circuit for a given input $v_i$ is$- \bigg (\dfrac{R_2}{R_1} \bigg)v_i \\$$- \bigg (1+\dfrac{R_2...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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GATE Electrical 2014 Set 2 | Question: 49
An oscillator circuit using ideal op-amp and diodes is shown in the figure. The time duration for $+ve$ part of the cycle is $\Delta t_1$ and for $–ve$ part is $\Delta t_2$ . The value of $e^{\frac{\Delta t_1-\Delta t_2}{RC}}$ will be _____________.

An oscillator circuit using ideal op-amp and diodes is shown in the figure.The time duration for $+ve$ part of the cycle is $\Delta t_1$ and for $–ve$ part is $\Delta t...

makhdoom ghaya

9.4k points

makhdoom ghaya asked Feb 11, 2017

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