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Electrical Definitions

Centimetric Waves : Electro-magnetic waves of a wave-length between 0.1 and 0.01 metre.

Charge Coupled Device : A charge-transfer device that consist of any array of MOS capacitors suitably designed,so that they are coupled and therefore charges can be moved through the semiconductor substrate in a controlled manner.

Choke Joint : A method of joining section of transmission line or waveguide for microwaves which prevents leakage and high ohmic losses by making the joint in form of a choke coupling.

Chronotron : An electronic device that measures the time intervals between events.

Circuit : A combination of electrical and/or electronic components connected together in a specific configuration to perform a specified function is known as a circuit.

Circuit Breaker : A device for making and breaking a circuit under normal or abnormal conditions, but not frequently.

Circuit Ringing : Low frequency oscillations setup in a radio receiver that are heard as a resonant tone during reception of a pulse of RF energy.

Class A Amplifier : A linear amplifier,in which the output current flows for more than half but less than the whole of the input cycle.

Class B Amplifier : Amplification by a valve,in which the grid bias is sufficient to reduce the anode current to zero when no exciting grid voltage is present.

Class C Amplifier : A nonlinear amplifier in which the output current flows for less than half the input cycle.

Class D Amplifier : An amplifier operation by means of pulsewidth modulation.

CMOS : Complementary metal oxide semiconductor,an insulated gate field effect digital logic unit using both P and N MOS devices.

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