7400 Oscillator (CB25015E)

This is one of the many 7400 oscillators we have in our circuit bank. It is crystal controlled and must be powered with a voltage of 5 V.

| Clique na imagem para ampliar |

Neon Lamp CMOS Driver (CB10507E)
I found this circuit in a Popular Electronics from November 1999. The magazine is no longer...
AC voltmeter from 100 Hz to 500 kHz (CB13269E)
This interesting circuit, found in an old American publication, measures alternating signals in a...
Electronic Tornado (CB25108E)
This is the well-known lightning lamp that was published in the March 1988 issue of Saber...