This very low power amplifier is designed by Amperex for hearing aids. It is based on TAA370 which is not an integrated circuit that can be found today.
The presented circuit emits signals in the FM band, which can be picked up from a distance of a...
The TDA7053 consists of a class B stereo amplifier, formed by two amplifiers connected in bridge...
This circuit activates a piezoelectric buzzer with an oscillator at the end of the programmed...