amplifier

synonyms

attenuator

audio-frequency tube

ballast regulator

ballast tube

beam-switching tube

convertor

current regulator

damper

detector

discriminator

doubler

ear trumpet

electronic hearing aid

focus tube

generator

hard-of-hearing aid

hearing aid

iconoscope

inverter

limiter

local-oscillator tube

megaphone

mixer tube

modulator

multiplier

multipurpose tube

multivibrator

oscillator

output tube

phase inverter

picture tube

power tube

preamp

preamplifier

pulse generator

radio-frequency tube

receiving tube

rectifier tube

regulator

repeater

speaking trumpet

stethoscope

transducer

transistor hearing aid

trigger tube

vacuum-tube hearing aid

hypernyms

electronic equipment

hyponyms

audio amplifier

booster

booster amplifier

booster station

maser

relay link

relay station

relay transmitter

same-contexts

analyzer

antenna

circuit

circuitry

controller

converter

detector

filter

frequency

generator

input

interface

measurement

microphone

module

oscillator

processor

receiver

recorder

resistor

transformer

transistor

transmitter