Found in a 1980s telecommunications documentation, the circuit presented acts as a product detector. The modulator or mixer in the square may be that of the previous circuit.
We found this circuit in Motorola's Circuit Applications for the Triac 1971 manual. The circuit is for ½...
The assembly of a good multimeter meets only one obstacle: the precision that is obtained depends on...
This circuit was obtained from an Electronics World magazine from 1992. The circuit provides an...