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GATE 2019: Analog Circuits Quiz 7
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Question 1
In the circuit shown in figure μ = 50, rd = 10 K , the voltage gain (Av) is
Question 2
ID = 10 mA, Vp = -5V
IDSS= 1 mA, & Rd= 4.7 K
Voltage gain AV = ?
IDSS= 1 mA, & Rd= 4.7 K
Voltage gain AV = ?
Question 3
In figure RC = 1.2 KΩ and Re = 1KΩ, both transistors are identical and have a high value of ‘β ’, VBE = 0.7V, VT = 25 mV. The small signal low frequency voltage gain AV = ?
Question 4
the transistor used has β0 = 100, rπ = 1KΩ and r0 = ∞
determine the value of FL ?
determine the value of FL ?
Question 5
Consider the circuit below. The transconductance of transistor M1 is equal to 40mA/V and that of M2 is equal to 20mA/V. , and . What will be the value of ?
Question 6
In the figure shown below the minimum value of RB such that the transistor is operating in active mode is _______kΩ. (Assume VCE(sat) = 0.2 V and VBE(sat) = 0.8 V).
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Feb 7ESE & GATE EC