This source was originally suggested by Delco in a 1969 documentation to power amplifiers up to 50 W. The transistors are of the time admitting modern equivalents.
The presented circuit produces a sawtooth signal from a digital signal. This configuration was...
With the presented circuit it is possible to detect signals from transmitters in a frequency range...
This simple alarm for doors and windows was found in a Japanese publication from the 1960s. The...