Electronics (Mike Jaroch)
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The teletypewriter operation where the transmitter and receiver do not operate continuously .
One where the satellite does not rotate or move at the same speed as the
An abbreviation for the airborne tactical data system .
A tube that isolates the transmitter from the antenna and receiver. Used in conjunction with a tr tube .
The ability of a filter circuit to reduce the amplitude of unwanted frequencies to a level below that of the desired output frequency .
The force that tends to make two objects approach each other. Attraction exists between two unlike magnetic poles (north and south) or between two unlike static charges .
An amplifier designed to amplify frequencies between 15 hertz (15 Hz) and 20
kilohertz (20 kHz) .
A system that uses amplitude modulation to change dc mark and
space impulses into audio impulses .
AUTOMATIC GAIN CONTROL
A circuit used to vary radar receiver gain for best reception of signals that have widely varying amplitudes .
Tracking done by equipment that compares the direction of the antenna axis
and the direction of the received signal and uses the difference (error) signal to reposition the antenna .