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Multiple_line_driver_buffer

2014-11-18 10:50  
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Multiple_line_driver_buffer
This circuit shows a 9911 used as a driver for multiple lines, which allows a video signal to be routed to 5 (or more) individual directions. A typical application is an apartment building with a common cable system. Although the 9911 is capable of 500-mA drive at a± 10-V output voltage swing, this application usually does not require more than± 1 or±2 V (for a typical video system). This circuit can be inexpensive because only one voltage-follower/buffer and few external components are needed.