preamplifier

名词 n.
中文释义

英文释义

名词 n.
  1. A voltage amplifier for amplifying a low-level input signal; its output is the input to a higher-level amplifier.

词形变化

preamplifiers plural pre-amplifier alternative

词源

Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
Proto-Indo-European *h₃emh₃-der.
Proto-Indo-European *h₃emh₃-lo-s
Proto-Italic *amlos?
Proto-Indo-European *h₂ent-
Proto-Indo-European *-s
Proto-Indo-European *h₂énts?
Proto-Indo-European *h₂m̥bʰíder.
Proto-Italic *amβi
Latin ambi-
Proto-Indo-European *pleh₁-
Proto-Indo-European *-nós
Proto-Indo-European *pl̥h₁nós
Proto-Italic *plēnosder.
Latin plēnus?
Latin ambiplus?
Latin amplus
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-fakāō
Latin -ficō
Latin amplificārebor.
Old French amplifierbor.
Middle English amplifiyen
English amplify
Proto-Indo-European *-yósder.
Proto-Italic *-āzijos
Latin -āriusnom.
Latin -āriusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Middle English -ere
English -er
English amplifier
English preamplifier
From pre- + amplifier.
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