71. For a MOSFET satisfying the relationship VDS < VGS - VTH, where the drain voltage is VDS, the gate voltage is VGS, and the threshold voltage of the transistor is VTH, then the transistor is said to operate in:
72. To get a peak load voltage of 40 V out of a bridge rectifier. What is the approximate rms value of secondary voltage?
73. If the inverting input terminal of an operational amplifier is grounded and a sinusoidal voltage waveform is applied at the non-inverting input terminal, the output will be:
74. In order to increase the bandwidth of tuned amplifiers, one can use:
1. Tuned circuit with inductance having high Q factor
2. Double tuned amplifier with two tuned circuits coupled by mutual inductance
3. Staggered tuned amplifiers in which different tuned circuits which are cascaded are tuned to slightly different frequencies
1. Tuned circuit with inductance having high Q factor
2. Double tuned amplifier with two tuned circuits coupled by mutual inductance
3. Staggered tuned amplifiers in which different tuned circuits which are cascaded are tuned to slightly different frequencies
75. All transistor in the N output current mirror in the figure are matched with a finite gain β and early voltage VA = ∞. The expression for load current is
76. For an n-channel MOSFET, if condention parameter (kn ) is 0.249 mA/V2, gate to source voltage VGS is 2VIN where VIN = 0.75 V. The current will be
77. Consider the following statements regarding the circuit given in the figure, where the output voltage is constant;
1. Vin > the Voltage at which the Zener breaks down.
2. IL < the difference between I and Iz the current at which the Zener breaks down.
3. Rs < the Zener normal resistance.
Of these statements
1. Vin > the Voltage at which the Zener breaks down.
2. IL < the difference between I and Iz the current at which the Zener breaks down.
3. Rs < the Zener normal resistance.
Of these statements
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