Scale Expander for 12V Meter (CB21330E)

This circuit was found in a QST from the 1990s. The circuit expands the scale of a 10V instrument to measure 20V.

6 or 12 V x 1 A Regulated Power Supply (CB1168E )
This is the traditional configuration of a 6 or 12 V source with 7806 or 7812 integrated circuits, for a...
Driver for piezoelectric motor (CB7998E)
Found in an Electronic Design from the 90s, this circuit uses high voltage operationals of the...
Reaper (CB21928E)
This reaper or signal limiter can be used to convert a sinusoidal signal into a square. The...