Electronics (Mike Jaroch)
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Any space or region in which a magnetic force is exerted. The magnetic field may be produced by a current-carrying coil or conductor, by a permanent magnet, or by the earth itself .
A waveguide junction in which the junction arm is parallel to the magnetic lines of force in the main waveguide .
A point on a waveform or radar beam that corresponds to half the power of the
maximum power point   .
HALF-WAVE DIPOLE ANTENNA
An antenna, consisting of two rods (1/4 wavelength each) in a single line, that radiates electromagnetic energy .
A rectifier using only one-half of each cycle to change ac to pulsating dc
HALF-WAVE VOLTAGE DOUBLER
Two half-wave voltage rectifiers connected to double the input voltage .
The operation where one earth terminal yields control to another as a satellite moves out of its area of coverage .
A high-vacuum electron tube modulator that uses a driver for pulse forming .
A frequency that is a whole-number multiple of a smaller base frequency    .
A device (preferably a clip-on type) used to absorb heat and protect heat-sensitive components during soldering .