"Greg Mayman" bravely wrote to "Mike Ross" (18 Mar 04  07:58:00)
 --- on the heady topic of "{at}%^{at}#$%^ VEROBOARD"

 -=> Mike Ross said to Roy J. Tellason
 -=> about "{at}%^{at}#$%^ VEROBOARD" on 03-15-04  09:37.....
 MR>  most of the cheaper TVs radiate so much
 MR> noise from their own microcontroller circuitry as to make off-air
 MR> signals nearly unwatchable on some channels.

 GM> AFAIK the FCC rules only govern radiation levels detectable
 GM> *outside* the case of the equipment.

 GM> I can't see how they could rule on radiation levels inside the
 GM> equipment.

Perhaps because there is a loophole in the regulations which allows
testing a tv without any aerial connected? Remember that an antenna is
equally as good in receiving a signal as it is in transmitting it.
Basically, if it is getting into the tuner from the antenna then it is
also likely being re-radiated. I'm not sure how the FCC re-radiation
tests are made but if the set's antenna is allowed to be removed then
it may explain why we see this behaviour in a lot of tv's being sold.

 Mike
 ****

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