5-Range Ammeter for DVM Module (CB25225E)

This 5-range current measurement circuit was found in the September 1989 issue of Radio Electronics magazine. It uses an AC/DC converter.

| Clique na imagem para ampliar |

Digitally Controlled Oscillator (CB18268E)
We can control the frequency of an oscillator from digital circuits or from the output of a...
Dimmer with triac (CB26092E)
We recommend adding a 470-ohm resistor in series with the potentiometer in this dimmer circuit...
Automatic Gain Control for Recording (CB24224E)
We found this circuit for old tape recorders in the December 1972 Radio Electronics magazine. The...