This circuit was found in a Dutch documentation from 1970. The circuit makes use of semiconductors that have current equivalents and is indicated by a 0-5 mA milliammeter.
This simple transistor tester was found in a Japanese magazine in 1967. It tests general purpose...
Texas Instruments Type D flipflops N74LVC1G79 and SN74LVC1G179-Q1 for operation from 1.65 to 5.5V...
This circuit is from 1968 American medical documentation. The circuit generates pulses of...