3 vueltas en modo común con tierra
English translation: 3 turns twisted pair common mode one of the pair is ground
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| 00:29 Feb 9, 2014 |
| Spanish to English translations [PRO] Electronics / Elect Eng / Electric cables | |||||||
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|  Selected response from: lugoben Local time: 21:32 | ||||||
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| Summary of answers provided | ||||
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| 4 | 3-turns common mode choke (cmc) |
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| 4 | 3 turns twisted pair common mode one of the pair is ground |
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| 4 | wound 3 times with ground |
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Answers
16 hrs confidence: 
3-turns common mode choke (cmc) Explanation: check on figure 22 of this link: http://books.google.co.ve/books?id=1vYnMYBLBf8C&pg=PA3&lpg=P... |
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1 day 14 hrs confidence:
3 turns twisted pair common mode one of the pair is ground Explanation: Electromagnetic emission causes havoc with electronic and electrical equipment and installations. Toroidal circuits are use to filter these interferences. The common mode configuration uses a twisted pair, one of them is the ground shielding signal wire all through the winding. Some noise rejection is achieved. Example sentence(s):
Reference: http://forums.qrz.com/showthread.php?251008-Toroid-winding |
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7 hrs confidence:
wound 3 times with ground Explanation: tierra = ground USA / earth UK -------------------------------------------------- Note added at 4 days (2014-02-13 17:42:22 GMT) -------------------------------------------------- I stand by my suggestion (for the short text in parenthesis). |
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Reference comments
25 mins peer agreement (net): +1 |
| Reference: References Reference information: Making common-mode chokes The easiest way to make a common-mode choke is to take a ferrite toroid and wrap about 5-15 turns of the feedline onto the toroid, forming a coil. This will attenuate common-mode signals nicely, without significant effect to the differential-mode signals INSIDE the feedline (the desired TV signals in the case of TVI). For lower HF, #73, #75, #77 or J type material is best; for upper HF and VHF, #43 is a good all around material. To realize effective chokes in few turns it is a need to use materials whose permeability is very high, 2000 or more. Large cable, such as monitor cables, are impractical to wind. The solution here is to use large, split toroids and mate the halves tightly after winding the cable around each half. http://www.hamuniverse.com/rfi.html Noise present between the AC mains and ground may be attenuated through the use of a common-mode choke, typically by wrapping several turns of the AC line and common wires around a ferrite choke as shown in Figure 3. http://oldenburgelectronics.com/wp-content/uploads/2012/05/A... |
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