This circuit was found in old documentation from Analog Devices. The integrated circuit is from the era. It has two settings and operates at frequencies up to 50 MHz.
This circuit was found in a 1995 documentation. It drives a set of sequential LEDs from the sound...
This circuit was found in a 1968’s publication and uses germanium transistors. Equivalents can be...
The integrated circuit used is equivalent to the 555 and the transistor can be the BC558. R1 and...