0 to 10 V Voltmeter with LM3914 (CB25451S)

We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit uses an external reference that can be changed.

| Clique na imagem para ampliar |

Word Filter (CB13612E)
This filter, from an audio publication from 1977, passes the frequency range corresponding to the...
Voltage Doubler (CB20196E)
In the figure we have three voltage doubler configurations that can be used in high and low...
Ring Counter using Lamps (CB6599E)
This circuit was found in Motorola documentation from 1966. The lamps are according to power and...