The circuit below shows a 4-transistor utility amplifier suitable for a variety of projects including receivers, intercoms, microphones, telephone pick-up coils, and general audio monitoring. The ...

The circuit was constructed around the functionality of a Class A amplifier to create a headphone circuit. BC308 – an epitaxial planar PNP transistor used for general purpose and low noise amplifier ...

With 12-in. silicon wafers now in production, achieving precision performance across tens of thousands of amplifiers requires fast and accurate tuning to keep cost low.

New technology provides the way forwards to boots sensitive bioelectronic diagnostics. This relates to an emerging medical field, based on molecules in the human body sending faint biochemical signals ...