Phase indicator (CB8295E)

Found in 1980s documentation, this circuit indicates the phase of a three-phase signal from the power grid. The neon lamp is common.

| Clique na imagem para ampliar |

Headphones Amplifier (CB972E)
We found this circuit in an old publication (1977) using common transistors at the time and now...
Wien Bridge Oscillator (CB4922E)
This circuit uses an operational that is not currently common. We found it in an old American...
table divider by 2 (CB25675E)
Bis This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine. The...