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.
This circuit decodes signals received in SSB (Single Side Band) obtaining an audio signal for...
Using two PUTs this circuit generates signals as shown in the figure. The circuit is from a Radio...
Found in a 1960 Mullard transistor manual, this circuit uses components from the time....