Code Switch (CB26086E)

We found this code switch circuit in the January 1999 Electronics Now magazine. Some of the components are integrated circuits from that era.

| Clique na imagem para ampliar |

LED blinker (CB7195E)
This blinker for LEDs up to 500 mA was found in General Electric documentation from 1970....
5 V x 1 A Power Supply (CB18994E)
This power supply was found in the 1996 Texas Instruments Linear Applications Manual. The circuit...
Overvoltage Indicator (CB22007E)
Using a CA3130 operational amplifier, this circuit drives an LED when the voltage exceeds the...