Low-consumption LM3914 moving point voltmeter (CB25455E)

With a single LED on the scale, this voltmeter has low consumption. The circuit was found in the March 1992 issue of Radio Electronics magazine.

| Clique na imagem para ampliar |

Low Power Alarm (CB538E)
When this alarm is off current drained is very low, only about 60 µA. The circuit can be powered...
Series regulator protection (CB8364S)
In the figure we have the configuration of series regulator protector suggested by Motorola in 1968...
5 to 200 V Flasher (CB25427E)
Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine....