| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
- UHF
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Abbreviation for "ultra high frequency.
- ultrasonic
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Signals that are just above the frequency range of human hearing of approximately 20 kHz.
- uncharged
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Material having atoms with the same number of electrons in orbit as the number of protons in the nucleus. Having no electrical charge.
- unijunction transistor
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Three terminal device that acts as a diode with its own internal voltage divider biasing circuit.
- unity gain frequency
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Frequency of operation for a device where the gain of the component drops to unity.