Cascading Zeners (CB21528E)

This circuit was found in a 1967 Motorola manual. Its purpose is to provide a very accurate reference voltage of 0.555V.

Simple blinker (CB6759E)
P1 on this Radio Shack circuit is a 6 V lamp with current up to 500 mA depending on Q2. The...
Touch Alarm (CB17032E)
This simple touch alarm, found in a 1995 documentation, uses common components and a triac to...
Micro Voltage Regulator (CB1577E )
With the micro voltage regulator shown in the figure, we can design a power supply for small...