(i) Negative Feedback: Is when the voltage feedback is in opposite phase (ant phase) to the signal. In other words:…
(i) Modulation: Modulation is the process of combining the low-frequency signal with a very high-frequency radio wave called carrier wave…
1. It is the ability to provide any desired selectivity characteristics. 2. It has the ability to provide large amounts…
(i) A stable multivibrator (ii) Bi-stable multivibrator (iii) Micro-stable multivibrator.
(i) A junction diode conducts only when it is forward biased. (ii) A junction diode does not conduct when it…
(i) Colour generator 1. Used for convergence adjustments for colour picture tube. 2. Used for checking convergence error. 3. Used…
1. Picture rolling up or down the screen Faulty vertical and horizontal oscillator 2. Pictures divided into segment with diagonal…
1. CONTROL: For the adjustment of TV signals; colour, sound and picture as desired 2. BRIGHTNESS 1. A brightness control…
(a) Multimeter: A multi meter is an electronic instrument which can measure resistances, currents and voltages. It is an indispensable…
Common- emitter circuits Common- collector circuits Common- base circuits 1. COMMON EMITTER CIRCUITS: When the emitter of a transistor is…