资料介绍
电子工程词典8 UHF generator ultra-low frequencies 701
UHF generator 1. An oscillating device (such as a ultimate ratio The limiting value of a ratio (i.e., the
transistor, tunnel diode, Klystron, or magnetron) value approached by a ratio).
used to produce radio-frequency energy at ultra- ultimate sensitivity 1. In an instrument or sys-
high frequencies (UHF). 2. The equipment in tem, the maximum degree of perception of, or re-
which such a device is used. 3. An ultra-high- sponse to, a quantity or condition. 2. In a graphic
frequency test-signal generator. recorder, half the deadband.
UHF loop A (usually single-turn) loop antenna with ultimate th
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