Found in American documentation from the 90s, this circuit uses TTL technology and is therefore compatible with microcontroller drives. The circuit must be powered by a 5V power source.
This modulator circuit for AM transmitters was found in a 1960 Sylvania transistor manual. Modern...
The circuit shown in the figure is characterized by the existence of a current limiter based on...
We found this circuit in an old American documentation. The circuit is simple by making use of an...