The low-noise amplifier shown uses a rare Raytheon operational amplifier today. The circuit can be implemented with more modern operators and the power source must be symmetrical.
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...