We found this circuit in a 1965 magazine. The circuit can be assembled with current equivalent transistors and the precision in generating the frequencies depends on the tolerance of the capacitors.
Found in documentation from the 1980s, this circuit is used for resistive loads (incandescent...
We found this circuit in a 1978 publication. It provides a different combination for alarm sensors...
This regulator provides a regulated output voltage of 48 V under a current of up to 1 A from a 60...