5 LED Log Scale with U257B (CB25442E)

The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by changing R2 and R3.

Free Running Oscillator (CB5920E)
This oscillator, with an old operational from the 80's, was found in an American publication of the...
High speed FET switch (CB6928E)
Found in American documentation from 1969, this circuit switches signals with a FET of the time....
TrenchFET Generation IV Channel N MOSFETs
June 2017 - Vishay Siliconix's new Generation IV (Gen IV) Channel N MOSFETs can now be purchased...