ALEXANDRIA, Va.—William H. Doherty was an engineer with Bell Telephone Laboratories in 1936 when he invented a circuit that used two tubes running in Class B configuration to act as a linear amplifier ...

Editor’s note: In Part 1 we discussed SE/Pseudo-Diff inputs, SE-to-Diff conversion with Hi-Z and single-supply. SE-to-Diff conversion with attenuation/gain and level shift (+/-5/10V inputs) This is a ...

The very basics of operational amplifiers. Learn comparator, inverting, and non-inverting op-amp configurations. An operational amplifier, or op amp, is a dc-coupled high-gain electronic voltage ...

Just as the common emitter amplifier and common base amplifier each tied those respective transistor terminals to a fixed potential and used the other two terminals as amplifier input and output, so ...

Sonos has launched its Amp Multi in India, a powerful multi-channel streaming amplifier designed for simpler, complex home ...

The Marantz AV 10 Preamp/Processor and AMP 10 Power Amplifier are capable of delivering 15.4 channels of surround sound. AVRs (aka Home Theater Receivers) are the heart of most home theater setups, ...