GATE 2021:AC- Rapid Mini Mock (App update required to attempt this test)
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A transistor is interfaced with output port of an op-amp as shown. Determine the current (in mA) flowing through resistor R.
For the given circuit drawn the output voltage Vo.
For a n channel MOSFET biased in saturation region, the parameter , VTN = 0.8V and λ = 0.01/V, if the value of drain current flowing inside the MOS transistor is ID = 0.75 mA, the value of intrinsic gain A0 = gmr0 of the MOSFET is equal to :-
Consider the transistor circuit shown below:-
If the transistor has β = 19 and VE = 4V then.
A voltage Controlled oscillator is designed by using a varactor diode as shown in figure. Capacitance of diode is considered to be 0.5 μF. Calculate the frequency of oscillator in kHz?
A junction field effect transistor is shown in the figure. Its drain to source safe current is 20mA and pinch off voltage is -7.8 V. Also rd is given as 30 kΩ The voltage gain of the amplifier is
If an amplifier has a peak-to-peak output voltage of 15 V across a load resistor of 1 kΩ, if the input power to the amplifier is 200 μW. Then power gain will be
The output voltage of the regulated power supply shown in figure is
Calculate CMRR in the following figure.
The 555-timer circuit diagram is given below, its given that , and. What will be the duty cycle and frequency of the output wave respectively?
An ideal voltage amplifier has voltage gain of –1000 and has 1 pF capacitor connected between input and output terminal. If the voltage source feeding amplifier has internal resistance of 100Ω, the upper 3-dB frequency will be ______ MHz.
Consider the given amplifier circuit shown below. The circuit has following parameters
rπ = 0245 kΩ , Vt = 26mv
what is the value of 3 – dB frequency f1(Hz) of the amplifiers due to coupling capacitor CC ?