Dual diode microwave amplifier

Dual feedback amplifier

Dual mode music instrument amplifier

Dynamic current supply

Dynamic range extender circuit for preamplifier

Dynamic speaker equalizer

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

Electronic apparatus comprising an audio amplifier providing shu

Electronic circuit device

Electronic cut out for a circuit to be protected

Electronic devices for the automatic control of gain and roll-of

Environmentally sensitive transmit power maximizing circuitry an

Equalization of base current flow in two interconnected transist

Fail-safe active band-pass filter

Fast recovery limiting and phase inverting amplifier

Feedback circuit

Feedbackward distortion compensating circuit

Fiber optic amplifier

Fiber optic amplifier

Fiber optic amplifier