Audio light (CB8433E)

This audio level indication system for microphones was found in Radio Electronics from the 90s. The components used are common today.

| Clique na imagem para ampliar |

Speed Control BD331 (CB1565E)
The simple speed control for DC motors shown in the figure can control loads up to 2 amps. The...
741 Logarithmic Amplifier (CB25723E)
This logarithmic gain operating configuration was found in the June 1994 Electronics Now magazine. The...
SCR Tester (CB825E)
General purpose, up to 8 A SCRs can be tested with this simple circuit. In special the circuit is...