This amplifier was found in a 1969 Mullard documentation. The circuit uses transistors that have as modern equivalents the BC548 and BC549.
This circuit was found in an American documentation from the 90's. The circuit is intended for...
This circuit can reduce the voltage of a source by providing regulated adjustable output. The...
Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10...