Record Head Preamplifier (CB4949E)

This 80's circuit can be used in media recovery. The integrated circuit is of the time, but modern equivalents of lower supply voltage can be used.

Who is the Fastest (CB5033E)
This circuit was obtained from a Popular Electronics of 1994. The magazine no longer exists in its...
Window Comparator 741 (CB5076E)
This conventional window comparator configuration was found in an old documentation. It is valid...
Two-transistor regenerative receiver (CB20568E)
Details of the coil of this two-transistor generative receiver were not given. We found it in a...