Verstärker
amplifier channel
amplifier
amplifiers
amplifying element
amplifying machine
booster amplifier
booster
combo
dead band backlash non-linearity
dead zone relay
emittor follower
energiser
energizer
intensifier
magnifier
multi-pier
multiplier
on/off controller
power assistance
promoter
promoting agent
quiescent point
reinforcing agent
relay
repeater
servounit
stage