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Tech Head - The Technology Section
SDR radio, Software Defined Radio
Optiplex GX620 - Dedicated SDR + SAT
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<blockquote data-quote="Vipersan" data-source="post: 965489" data-attributes="member: 325666"><p>The SDR play draws its power and transfers data via USB so apart from Antenna in this is the only connection..</p><p>USB (B ) at the SDR ..and USB (A) to the PC ...</p><p>..and it is on this cable that the RFi is being picked up radiated from the mobo ..</p><p>Thus if this cable was shorter and was screened with a braid that was earthed I suspect most of the RFi would vanish..</p><p>This cable would normally be outside the PC ..but is inside the case by neccessity now.</p><p>rgds</p><p>VS</p><p></p><p>..fully shielded USB cables are available but are rare for short A/B cables..</p><p>Manufacturers appear to think it unneccessary for short leads of about 0.5 m..</p><p>Long cable runs are easily available ..</p><p>The longer the run ..the better and more important the shielding it would seem.</p></blockquote><p></p>
[QUOTE="Vipersan, post: 965489, member: 325666"] The SDR play draws its power and transfers data via USB so apart from Antenna in this is the only connection.. USB (B ) at the SDR ..and USB (A) to the PC ... ..and it is on this cable that the RFi is being picked up radiated from the mobo .. Thus if this cable was shorter and was screened with a braid that was earthed I suspect most of the RFi would vanish.. This cable would normally be outside the PC ..but is inside the case by neccessity now. rgds VS ..fully shielded USB cables are available but are rare for short A/B cables.. Manufacturers appear to think it unneccessary for short leads of about 0.5 m.. Long cable runs are easily available .. The longer the run ..the better and more important the shielding it would seem. [/QUOTE]
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Miscellaneous Sections
Tech Head - The Technology Section
SDR radio, Software Defined Radio
Optiplex GX620 - Dedicated SDR + SAT
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