This simple, unregulated power supply with an approximate 6 V output voltage can supply currents up to about 500 mA depending on the transformer. The diodes can be 1N4002.
This version of an astable CMOS with the 4069, and which appears elsewhere on this site and in...
Found in na 1970 EDN this circuit has a parallel regulation providing a symmetrical output of 15 V....
This circuit is the receiver for the previous remote-control transmitter. We found it in the same...