Multi Tube Amplifier (T446E)

Obtained in MIT documentation this circuit uses several tubes to obtain a large gain in the amplification of small signals.

Optofiac control (CB21568E)
This circuit shows how to use a Vishay IL4216 or IL12-F optodiac to control a triac in a common...
Measuring Resistance with the 7107 (CB25987E)
The circuit shown is from the November 1996 Electronics Now magazine. The basic circuit is in the...
Bidirectional DC Motor Control (CB19566E)
Motors up to 2 A can be controlled by this circuit, which requires a symmetrical source. Although...