Found in Analog Devices documentation, this circuit is used in measurement bridges to linearize the signals when approaching equilibrium. Formulas are given next to the diagram.
P1 on this Radio Shack circuit is a 6 V lamp with current up to 500 mA depending on Q2. The...
This simple touch alarm, found in a 1995 documentation, uses common components and a triac to...
With the micro voltage regulator shown in the figure, we can design a power supply for small...