noun
multiplier; frequency multiplier
Technical term used in electronics and signal processing for a device or circuit that multiplies a frequency or other quantity.
この逓倍器は入力周波数を2倍にします。
This multiplier doubles the input frequency.
逓倍器を使って高調波を生成する。
Generate harmonics using a multiplier.
Compound of 逓 (stepwise, relay) + 倍 (multiply) + 器 (device). The exact historical derivation is uncertain; the spelling is conventionally associated with frequency multiplication in electronics.