This circuit is from a 1992 publication and is based on CMOS technology. The circuit is powered by a 6 V source and the displays are of common cathode.
We found this circuit in the Philips Databook of 1990. The circuit is indicated for low-cost...
This preamplifier for magnetic cartridges was found in the February 1990 issue of Radio...
June 2016 - It can be obtained from Mouser Electronics the new gate driver optocoupler from...