Distance detecting device

Distance-related variable gain amplifier

Distortion correction loop for amplifier circuits

Distortion-free amplifiers

Double peaked amplifier

Dual diode microwave amplifier

Dual feedback amplifier

Dual feedback linear amplifier

Dual mode music instrument amplifier

Dual-path wideband and precision data acquisition system

Dual-stage filter with feedback

Dynamic current supply

Dynamic limiting circuit for an amplifier

Dynamic range extender circuit for preamplifier

Dynamic signal contamination suppression

Dynamic speaker equalizer

Electrical signal converter with step variable gain

Electron-beam-bombarded, semiconductor, traveling-wave device

Electronic amplifier

Electronic apparatus comprising an audio amplifier providing shu