The circuit presented was found in the Linear Applications Handbook of the National Semiconductor of 1994. It is based on a DAC1020 and operational not common today.
The purpose of this circuit is to alternately activate a two-tone horn with low sound and a horn...
This low noise preamplifier has a gain of 19 dB in the 30 MHz band. The circuit is from the 80s....
This circuit generates high voltage for the firing of a xenon lamp. We found this configuration in a 1994...