Audio expander (CB8507E)

Based on the Philips TDA3810N, this circuit was found in an 90s Electronics Now. The circuit has two channels including the voltage regulator stage.

| Clique na imagem para ampliar |

Automatic Night Light (CB4948E)
This circuit should only be used with incandescent lamps and the SCR should be fitted with a heat...
Light Level Sensor (CB5270E)
The circuit is from an old documentation making use of an operational amplifier of the time. The...
High Voltage generator using SIDAC (CB11856E)
SIDACs are not very common, but if you get one you can mount a relaxation oscillator capable of...