Abbrev for music and effects.
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Modified form of A display in which range is determined by moving an adjustable pedestal signal along the baseline until it coincides with the target signal; range is read off the control which moves the pedestal.
A T or pi network section so designed that when two or more sections are joined to form a filter, their impedances match at all frequencies, although the individual sections may have different resonant frequencies.
Characteristic X-ray frequencies from atoms due to the excitation of electrons from the M-shell. Only developed in atoms of high atomic number.
Tape path employed in VHS videotape recorders, giving rather more than 180 ' wrap on the drum; from the M-shaped tape guide in the mechanism.
The electron shell in an atom corresponding to a principal quantum number of three. The shell can contain up to 18 electrons. See panel on Atomic structure.