This dual balanced modulator configuration was obtained in a 1980s telecommunications documentation. The circuit makes use of transformers and the diodes are commonly used.
This circuit was found in an Electronic Design from 1964. The components are from that time and...
The bridge diodes of this circuit, found in a 1967 publication, are according to the motor...
Found in a 1970 EEE, this circuit uses general-purpose transistors of the time. Transistors support...