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.
The sensor of this circuit is an NTC of 20 to 50 k resistance at room temperature. The circuit is from a...
This different power control circuit with SCR was obtained from a 1967 magazine. The SCR can be...
Mouser Electronics is providing the MGA-622P8 low noise amplifier for frequencies from 1.5 to 2.7...