Electronics (Mike Jaroch)
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PEAK VALUEThe maximum instantaneous value of a varying current, voltage, or power. It is equal to 1.414 times the effective value of a sine wave [2]. | ||
PEAK VOLTAGEThe maximum value present in a varying or alternating voltage. This value may be positive or negative [6]. | ||
PEAK-REVERSE VOLTAGEThe peak ac voltage that a rectifier tube will withstand in the reverse direction [6]. | ||
PEAK-TO-PEAKThe measure of absolute magnitude of an ac waveform, measured from the greatest positive alternation to the greatest negative alternation [2]. | ||
PEAKING COILAn inductor used in an amplifier to provide high-frequency compensation, which extends the high-frequency response of the amplifier [8]. | ||
PENTAVALENT IMPURITYA type of impurity that contains five valence electrons and donates one electron to the doped material. Also called DONOR IMPURITY [7]. | ||
PENTODE TUBEA five-electrode electron tube containing a plate, a cathode, a control grid, and two grids [6]. | ||
PERCENT OF MODULATIONThe degree of modulation defined in terms of the maximum permissible amount of modulation [12]. | ||
PERFORATORA device that stores a teletypewriter message on a paper tape [17]. | ||
PERIGEEThe point in the orbit of a satellite closest to the earth [17]. | ||