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.
Found in Motorola's 1968 documentation, this control appears elsewhere in this section. The bridge...
With this circuit, found in a 1978 publication, we can measure capacitances from 5 pF to 1 uF. The...
The Texas TL783 integrated circuit is a three-terminal high voltage regulator with a wide range of...