This amplifier uses a 1975 integrated circuit, which is uncommon today. The circuit has a gain of 30 dB and uses a transformer-less output with 9 V power.
This circuit can be used with high power LEDs supplying currents from microcontrollers and digital...
The integrated circuit used in this regulator is not common today. The circuit is from a technical...
We find this circuit in an 80's EDN. The circuit can be used with equivalent operational,...