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Electronics and Communication Analog Electronics Difficulty: Medium

'T'h'e' 'b'a'n'd'w'i'd't'h' 'o'f' 'a'n' 'R'F' 't'u'n'e'd' 'a'm'p'l'i'f'i'e'r' 'i's' 'd'e'p'e'n'd'e'n't' 'o'n'

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Consider the following statements: A four-layer PNPN device having two gate leads can turned on by applying a 1. positive current pulse to the cathode gate 2. positive current pulse to the anode gate 3. negative current pulse to the anode gate 4. negative current pulse to the cathode gate Which of these statements is/are correct? A band pass signal extends from 1 kHz to 2 kHz. The minimum sampling frequency needed to retain all information in the sampled signal is Find P in for an amplifier with a power gain of 20 and an output power of 1 W. In nMOS fabrication, etching is done using . . . . . . . . . The Zener diode in the regulator circuit shown in the figure has a Zener voltage of 5.8 volts and a Zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 volts, is