Using a BA1404 integrated circuit this small FM stereo transmitter was found in a Radio Electronics magazine from October 1989. The coils are indicated.
The circuit illustrated in the figure can be used to detect earthquakes or vibrations of...
This circuit was found in a 1989 documentation. The circuit directly controls a power load by the use...
Hybrid PWM controllers with integrated 8-bit microcontrollers for supervision and management can...