Electronics (Mike Jaroch)


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P

PLATE DISSIPATION

The amount of power lost as heat in the plate of a vacuum tube [6].

PLATE KEYING

A keying system in which the plate supply is interrupted [12].

PLATE MODULATOR

An electron-tube modulator in which the modulating voltage is applied to the
plate circuit of the tube [12].


PLATE RESISTANCE

The plate voltage change divided by the resultant plate current change in a
vacuum tube, all other conditions being fixed [6].


POINT BENDER

A tool used to adjust the contact spacing on a relay [3].

POINT OF ZERO DISPLACEMENT

See REFERENCE LINE [10].

POINT-CONTACT DIODE

A diode in which the end of a fine wire is pressed against a semiconductor.
Used as a detector or mixer over the microwave region [7].


POINT-TO-POINT WIRING

Individual wires run from terminal to terminal to complete a circuit [14].

POLAR

The teletypewriter operation in which current flow of one polarity represents a mark, and current of the opposite polarity represents a space [17].


POLAR ORBIT

An orbit that has an angle of inclination of or near 90 degrees [17].


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