A dad was left floored after he discovered the identity of a previous owner of the guitar amp he bought on Facebook for less than £3,000.

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My pick of the best guitar VST instruments will get great guitar tones for your productions, even if you’ve never played guitar before ...

This paper describes a wide dynamic-range and accurate complex-impedance detector for adaptive power amplifier load tuning systems. The detector IC, fabricated in a 130 nm SOI technology, consumes 7mA ...

To overcome the gain instability induced by the variations in the number of optical multiplexing channels, an improved configuration for an extended L-band gain-clamping erbium-doped fiber amplifier ...