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More Electronics and Communication Questions
Cdma2000 1xEV was developed by . . . . . . . .
A signal m(t), band-limited to a maximum frequency of 20 kHz is sampled at a frequency f s kHz to generate s(t). An ideal low pass filter having cut-off frequency 37 kHz is used to reconstruct m(t) from s(t). The minimum of f s required to reconstruct m(t) without distortion is
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A diode which resembles a voltage variable capacitor is known as
A two terminal negative resistance device that can be employed in an amplifier oscillator (or) switch.