This circuit uses an unusual sensor nowadays, but the configuration can be adapted to more modern types, as well as the operational amplifier. The circuit is from an 80's documentation.
Twin-T oscillators can be used to produce sinusoidal signals in the audio track with good...
November 2016 - Texas Instruments' new TPS62135 and TPS621351 step-down converters with a wide...
This circuit is from the factory manual of the LM202, an uncommon operation today. It shows how to...