Back-to-back connection
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[edit] Telecommunications
In telecommunications, a back-to-back connection is a direct[1] connection between either:
- the output of a transmitting device and the input of an associated receiving device. When used for equipment measurements or testing purposes, such a back-to-back connection eliminates the effects of the transmission channel or medium.
- the output of a receiving device and the input to a transmitting device.
- Source: from Federal Standard 1037C and from MIL-STD-188
[edit] Electronics
A back to back connection is 2 identical or similar components connected in series with the opposite polarity. This is used to convert polarised components to non-polar use. Common examples include:
[edit] Notes
- ^ The term direct may be construed as permitting a passive device such as a pad to accommodate power level constraints.
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