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 power supply provides a12 V stabilized output. The transistor must be provided with a good...
The filter shown in the figure can be implemented with general purpose amplifiers like the 741....
In the figure we have an oscillator for microcontrollers capable of operating in the frequencies of 10,...