Bargraph TTL voltmeter LM3914 (CB14430E)

This circuit accurately monitors a 5 V TTL source. The circuit is from National Semiconductor's Linear Applications Handbook.

| Clique na imagem para ampliar |

1.57 kHz Wien Bridge Oscillator (CB14038E)
We found this circuit in a technical documentation from Texas Instruments. The signal is...
Bistable CMOS (CB15699E)
The circuit shown in the figure allows a pressure switch to be used to turn a load on and off in a...
6 V Triac photo control (CB8314E)
This circuit for a 6.3 V lamp was found in a 1970’s RCA documentation. The circuit applies to any triac...