This sequential beacon was found in an 80's Radio Electronics. The circuit can be designed using modern equivalent components. Triacs shall be fitted with heat sinks.
In the circuit shown by figure 1, a10 mV AC signal applied to the input produces a 1 V signal in...
This circuit is suitable for the calibration of old analog oscilloscopes. It was found in...
This Power supply is intended to Power small loads with currents up to 30 mA. The voltage depends...