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.

Sinusoidal Generator (CB14356E)
The circuit shown is from the 1994 Linear Applications Handbook by National Semiconductor. Some of...
1-Transistor MW Radio (CB18839E)
This simple transistorized radio for listening on a crystal phone was found in a Japanese...
MP23AB01DH Analog and Digital Audio MEMs Microphone - STMicroelctronics
In the MEMs line of the ST available on Mouser Electronics we highlight the MP23AB01DH audio...