LM386 9 V Amplifier (CB25299E)

This 9 V amplifier has a gain of 20 and provides a power of a few hundred milliwatts. The circuit is from a Radio Electronics from March 1990.

5 and 15 V Dual Symmetric Power Supply (CB4304E)
This symmetrical power source for currents up to 1 A was found in a 1986 documentation, serving...
Automotive Pendulum Alarm (CB4873E)
We found this circuit in an old American documentation. The circuit is suitable for motorcycles and...
SSB Local Oscillator (CB6145E)
This 5.1 MHz circuit was found in a 1980s documentation. The frequency is given by the crystal and...