This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The maximum current is 170 mA. and the integrated circuit is the MAX655 from Maxim.
The MC1436 can also be used on this circuit found in Motorola's 1993 Linear Interface ICs. The...
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...
When the sensor X1 is opened, the relay is energized. When waiting, the current drained is very...