This circuit was found in a 1965 Electronic Design. The transistors are of the time, but the circuit applies to modern equivalent transistors.
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...
This circuit can generate signals in the range from 1 to 20 kHz, depending on the crystal. The...
This linear bargraph circuit was found in the February 1992 issue of Radio Electronics magazine. The 10...