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GATE EC 2022: Analog Quiz 10
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Question 1
The cut off frequency of a second order high pass filter, as shown in figure for R1 = 1.1 kΩ, R2 = 2.1 kΩ, C1 = 0.1 μF, C2 = 0.05 μF and RG = 10 kΩ, RF = 50 kΩ is
Question 2
An amplifier in open loop has an amplification gain of -100.If the amplifier is used with feedback and 5% part of the output is given back to the negative feedback circuit. Then the overall gain of the feedback circuit is____
Question 3
In the circuit shown below, the Zener voltage VZA=VZB = 6 V, assume ideal diodes and forward cut in voltage is 0. Vo is output voltage then
Question 4
Two n-channel MOSFETs, T1 and T2, are identical in all respects except that the width of T2 is double that of T1. Both the transistors are biased in the saturation region of operation, but the gate overdrive voltage (VGS-VTH) of T2 is double that of T1, where VGS and VTH are the gate – to – source voltage and threshold voltage of the transistors, respectively. If the drain current and transconductance of T1 are ID1 and gm1 respectively, the corresponding values of these two parameters for T2 are
Question 5
In the circuit shown, Vs is a square wave of period T with maximum and minimum values of 8 V and -10 V, respectively. Assume that the diode is ideal and R1 = R2 = 50 Ω.
The average value of VL is _________ volts (rounded off to 1 decimal place).
Question 6
Two transistors having very large β are connected as shown in figure below. Assume that 
The output voltage V0 (in Volt) is _____.
The output voltage V0 (in Volt) is _____.
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ESE & GATE ECGeneralJul 15ESE & GATE EC
