1 kHz low pass filter (CB7579E)

This filter can be implemented with almost any operational. The power suppply must be symmetrical.

Sallen Key Filter (CB7580E)
This filter is current driven and has the formulas given by the two diagram options. The circuit...
10 W amplifier TDA2003 (CB17619E)
The 10 W power is obtained with a load of 2 ohms. The integrated circuit must be mounted on a good...
Neon Flasher (CB17307E)
This is a traditional flasher configuration with two neon lamps. The frequency is given by the 100 nF...