If an npn transistor has a beta cut-off frequency f

1.	If an npn transistor has a beta cut-off frequency f
A.	200 MHz, 201 MHz
B.	200 MHz, 199 MHz
C.	199 MHz, 200 MHz
D.	201 MHz, 200 MHz
Answer» B. 200 MHz, 199 MHz

Discussion

No Comment Found

Related MCQs

An 8 bit unipolar successive approximation register type ADC is used to convert 3.5V to digital equal output. The reference voltage is +5V. The output of ADC at end of 3rd clock pulse after the start of conversion is .......... .
A 41 / 2 digit DMM has the error specification as: 0.2% of reading +10 counts. If a dc voltage of 100 V is read on its 200 V full scale, the maximum error that can be expected in the reading is
Two 8-bit ADCs, one of single slope integrating type and other of successive approximation type, take TA and TB times to convert 5 V analog input signal to equivalent digital output. If the input analog signal is reduced to 2.5V, the approximate time taken by the two ADCs will respectively, be
For a class B amplifier providing a 20 V peak signal to 16&ohm; load and a power supply of Vcc = 30 V, efficiency will be _____ % .
If input signal ei applied to the OP-AMP of the circuit shown in the given figure is sinusoidal at maximum value 1 mV and of 1kHz frequency, then magnitude of the peak value of the output voltage waveform would be _________ mV .
Of the four characteristic given below, what are major requirements for an instrument amplifier? P : high common mode rejection ratio Q : high input impedance R : high linearity S : high output impedance
<table><tr><td rowspan="2">An amplifier with mid-band gain | A| = 500 has negative feedback = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> .If upper cut-off without</td></tr><tr><td style="text-align: center;">100</td></tr></table> feedback were at 60 Hz, then with feedback it would become _________ kHz .
For a transistor, parameters are = 180 and VA = 150V, and it is biassed at ICQ = 2m A. If collector of the tansistor is connected to the base terminal, t hen small signal resistaance re = vce/ ic of this two-terminal device is ____ &ohm; .
A CE amplifier has a resistor RF connected between collector an d base RF = 40 k. RC = 4k. I f hfe = 50, r = 1 k, then output resistance R0 is _______ k&ohm; .
If = 0.98, ICO = 6 A and I = 100 A for a transistor, then value of IC will be _______ mA

If an npn transistor has a beta cut-off frequency f

Discussion

No Comment Found

Related MCQs

Reply to Comment