Indicated for alarm applications, this circuit was found in the December 1976 issue of Radio Electronics magazine. The circuit is for 12 V car applications.
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...