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 dual balanced modulator configuration was obtained in a 1980s telecommunications...
To excite a higher power load, such as a 40mA lamp, we have the circuit in the figure. For this...
We found this circuit in old documentation from National Semiconductor. The circuit makes use of a...