This circuit was found in 1980s American documentation. The transducer is a piezoelectric capsule and the power supply voltage can be between 3 and 18 V.
With this high voltage regulator, we can obtain 100 V outputs with currents up to 400 mA. The...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
This circuit is from an old technical documentation, used to monitor the voltage of a 12 V...