This two-digit timer was found in the 1983 Special Projects issue of Radio Electronics magazine. The circuit uses components that can still be found today.
This light comparator is of the window type already explored on this website in several...
Using the integrated circuit DCP01051D this circuit was found in the magazine Electronics Now of...
This filter with the operational 741 passes the frequency range between 300 Hz and 3,400 Hz. This...