This simple component tester was found in the October 1997 issue of Electronics Now magazine. The circuit is powered by power grid through a simple power supply.
This circuit makes the RIAA equalization for signals obtained from a turntable for signal recovery in other...
The integrated circuit used in this 90's circuit is not common today, but the configuration can be...
Another application circuit for the NE567 is shown in the figure. It consists of a decoder for...