This circuit was found in the Electronics Experimenter Handbook from 1991. The circuit controls a simple relay for the purpose of turning circuits on or off or switching audio channels.
This circuit uses a voltage comparator and can produce signals up to 20 MHz. The resistors R are...
This configuration was found in a 1978 technical documentation. What the circuit does is convert an...
This circuit was obtained in a 90s Electronic Design. The circuit uses components from that time....