This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968 documentation. The integrated circuit is difficult to obtain today.
This simple circuit for an audio link uses a lamp, which has a very poor frequency response, but...
We found this configuration in a 1975 publication. It can be implemented easily, as it uses only...
This circuit was found in General Electric documentation from 1968. The circuit uses triac from the...