This PLL with operational amplifiers was found in 1969 documentation. The configuration can be adapted to use modern components. The circuit has a gain of 15 V / V and can operate with 10 kHz signals.
This circuit regulates the alternating voltage of a load at 100 V. The circuit is from Motorola,...
This circuit was found in American documentation from 1966. It uses a hall effect sensor at the...
August 2017 - The new LZ400UB00 ultraviolet LEDs from Engin LEDs with wavelengths of 385 -410 nm...