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.

CMOS 4001 and 4011 Test (CB19073E)
This circuit was developed to test suspect 4001 and 4011 integrated circuits. The circuit is from...
5 V x 100 mA power supply (CB1158E)
The power source shown for powering for small TTL circuits was found on a Radio Electronics...
Solar Cell Switched Regulator (CB1187E)
This circuit was found in a Popular Electronics from April 1993. It is a voltage regulator circuit...