This circuit is from an 80's Radio Electronics. The circuit has several output options for 50 mA currents with load indicator through LEDs.
This circuit was obtained from an English magazine from 1980, but as it uses components that can...
This touch-controlled circuit was found in English documentation from the 1970s. The components...
This 1967 Motorola circuit is intended for operation with signals up to 250 MHz delivering a 50 MHz...