| Electrical Termination |
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Electrical termination of a Signal involves providing a '''terminator''' at the end of a wire or cable to prevent an RF signal from being reflected back from the end, causing Interference . The terminator is placed at the end of a Transmission Line or Daisy Chain Bus (such as in SCSI ), designed to Match Impedance and hence minimize signal Reflections . TYPES OF TERMINATORS Simple resistor Often the terminator is a Resistor . There are also active terminators which contain an Electric Circuit to perform the same basic function. Dummy loads See Also: Dummy load Dummy loads are commonly used in HF to EHF frequency circuits. 50 ohm 10BASE2 networks absolutely must have proper termination with a 50 ohm BNC Terminator . If the bus network is not properly terminated, too much power will be reflected, causing all of the computers on the bus to lose network connectivity. 75 ohm A terminating resistor for a television cable is often in the form of a cap, threaded to screw onto an F Connector . It is nicknamed " Schwarzenegger device". OTHER MEANING Electrical termination sometimes refers to manufacturing operations which connect wires together. This includes Crimping , Soldering , and related operations. |
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