Linear Scale Ohmmeter LF356 (CB25231E)

This interesting constant current source circuit was found in the September 1989 issue of Radio Electronics magazine. The power supply must be dual.

| Clique na imagem para ampliar |

Self-powered monitor (CB8983E)
Placed in the vicinity of a telegraphic transmitter (CW), this circuit produces an audible signal on...
Damped Oscillator LM108 (CB19097E)
Damped oscillators can be used to produce sound from percussion instruments such as the triangle, bell,...
Solar Radio (CB10406E)
We found this circuit in a 1983 English magazine, but it can be easily assembled with the BC548...