This circuit was obtained in the Philips integrated circuits manual of 1990. The indicated power is 14.4 V, and the power depends on the load that can be between 2 and 16 ohms.
Found in a magazine 73 for radio amateurs of the 90s, this circuit converts a continuous voltage and...
The sensor of this circuit is an NTC with a resistance between 200 and 1000 ohms. The resistor R1 must...
This circuit controls two relays from a single temperature sensor. The first fires when the...