Suggested by Texas Instruments in 1968 documentation, this circuit uses components from the era. Modern diacs and SCRs can be employed.
This circuits shows how to use in operational amplifier as a basic voltmeter. Power supply must be...
The coils determine the frequency of this oscillator that we found in the January 1996 issue of...
This circuit was found in a National Semiconductor Handbook from the 1990s. The integrated circuit...