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 makes use of the LM11, 112 or 113 operatives and was found in a 1980s documentation. The...
This circuit is ideal for recovering vinyl media with a linear response from the RIAA curve of the...
This control for 1200 W of power was found in the documentation of General Electric of 1966 has a...