This circuit with zener diodes was found in documentation from the 90s. The zener diodes determine the lighting point of the LEDs. The circuit is for 12 V automotive batteries.
We found this micro amplifier in a technical documentation from National Semiconductor. The...
The quadrature oscillator is another type of phase shift oscillator, where each of the three...
This regulator with current boost and short circuit protection was found in the LM2931 manual that...