## Electronics (Mike Jaroch)

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### C

#### CARRIER-CONTROLLED APPROACH

A shipboard radar system used to guide aircraft to safe landings in poor visibility conditions [18].

 Keyword(s): CARRIER-CONTROLLED APPROACH

#### CARRY

(1) One or more digits, produced in connection with an arithmetic operation, that is/are forwarded to another digit place for processing there. (2) The number represented by the digit or digits in (1) above [13].

 Keyword(s): CARRY

#### CATCHER GRID

In a velocity-modulated tube, a grid on which the spaced electron groups induce a signal. The output of the tube is taken from the catcher grid [11].

 Keyword(s): CATCHER GRID

#### CATHODE

(1) In an electron tube the electrode that is the source of current flow [6]. (2) The general name for any negative electrode [1]. (3) The negative terminal of a forward-biased semiconductor diode, which is the source of the electrons [7].

 Keyword(s): CATHODE

#### CATHODE BIAS

The method of biasing a vacuum tube in which the biasing resistor is placed in the common-cathode return circuit, thereby making the cathode more positive with respect to ground [6].

 Keyword(s): CATHODE BIAS

#### CATHODE KEYING

A system in which the cathode circuit is interrupted so that neither grid current nor plate current can flow [12].

 Keyword(s): CATHODE KEYING

#### CATHODE MODULATOR

Voltage on the cathode is varied to produce the modulation envelope [12].
 Keyword(s): CATHODE MODULATOR

#### CATHODE SPUTTERING

A process of producing thin film components [14].
 Keyword(s): CATHODE SPUTTERING

#### CATHODE-RAY TUBE (CRT)

An electron tube that has an electron gun, a deflection system, and a
screen. This tube is used to display visual electronic signals [6].

 Keyword(s): CATHODE-RAY TUBE (CRT)

#### CAVITY RESONATOR

A space totally enclosed by a metallic conductor and supplied with energy in
such a way that it becomes a source of electromagnetic oscillations. The size and shape of the enclosure determine the resonant frequency [11].

 Keyword(s): CAVITY RESONATOR

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