Found in the September 1972 issue of Radio Electronics magazine, this signal injector is based on the HEP580. The circuit is powered by two batteries and its frequency is basically given by C1.
The frequency of this oscillator depends on R and C (see math section for electronics). The...
This circuit, suggested by the Linear Applications Handbook of National Semiconductor, uses a very...
January 2017 - The new MAX14001 and MAX14002 analog to digital converters from Maxim can now be...