Address decoder using the 74LS138 (CB20537E)

This decoder circuit 3 of 8 was found in a publication for PCs from 1992. The circuits are TTL and must be powered with 5 V.

Electronic Dice (CB9876E)
This is another one of the many versions of electronic data that we have on this website. Once...
Shield TTL and CMOS Low Level C (CB11409E)
The circuit shown can drive loads from 500 mA to 2 A, depending on the transistor with the TTL or...
Wide Dynamic Range Light Detector (CB12527E)
The circuit shown in figure uses a photodiode as a sensor element and its main feature is to have...