What is a dc power supply?
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How output frequency is varied in case of a thyristor?
why length of antenna is taken as one half of wavelength or one fourth of wavelength? Why not one eighth or one sixteenth?
what is perfect balance in opamp?
What is the difference between synthesised frequency hopping and base band frequency hopping?
What is different between EPABX and PBX
What is a feedback? And explain different types of feedback.
Which type of connector we use at the end of GSM antenna/
Tell me why Up link Frequency is more than Down link frequency.?
how pwm signals generated????
WHY THE CUTOFF FREQUENCY IS OF 3 DB??
what is the need for modulation?
State advantage in using microcontroller while designing any system.