The circuit shown is based on National Semiconductor buffers and was found in the 1994 Linear Applications Handbook. The font must be symmetrical.
This useful instrument has dual function, operating both as signal injector and continuity tester. The...
This 3 A adjustable source uses the LM350 integrated circuit, which must have a good heat...
The transistor for this flashlight brightness control may be the BD135. The circuit is from 1978...