Fahrenheit Sensor LM34 (CB14400E)

This circuit measures temperatures from +5 to + 300º F using a sensor from National Semiconductor not very easy to obtain.

Dual indicator (CB22136E)
Obtained from an English publication, this circuit actually needs a current limiting resistor,...
Discrete Precision Regulator (CB15719E)
The voltage regulator circuit described is highly accurate and uses discrete components...
Diac Test Circuit (CB26106E)
We found this test circuit in the November 1999 issue of Electronics Now magazine. The circuit is to be...