Electronics (Mike Jaroch)


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A

AUTOMATIC VOLUME/GAIN CONTROL

A circuit used to limit variations in the output signal strength of a receiver [17].


AVALANCHE EFFECT

A reverse breakdown effect in diodes that occurs at reverse voltages beyond 5
volts. The released electrons are accelerated by the electric field, which results in a release of more electrons in a chain or "avalanche" effect [7].


AVERAGE POWER

(1) The peak power value averaged over the pulse-repetition time [12]. (2) Output power of a transmitter as measured from the start of one pulse to the start of the next pulse [18].


AVERAGE VALUE

The average of all the instantaneous values of one-half cycle of alternating
current [2].


AWG

The standards adopted in the United States for the measurement of wire sizes [4].


AXIS

A straight line, either real or imaginary, passing through a body around which the body revolves
[15].


AZIMUTH

Angular measurement in the horizontal plane in a clockwise direction [18].

B

BACK RESISTANCE

The larger resistance value observed when you are checking the resistance of a
semiconductor [16].


BALANCED MIXER

A waveguide arrangement that resembles a T and uses crystals for coupling the
output to a balanced transformer [18].


BALANCED PHASE DETECTOR

A circuit that controls the oscillator frequency (afc) [17].


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