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Fringe Reception General
Help needed in identifying certain transponders (new, cryogenic LNB cooling)
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<blockquote data-quote="BombedOne" data-source="post: 805792" data-attributes="member: 300998"><p>It will destroy, and I've already killed several of them, if temperature is rapidly decreased/increased (I've poured liquid nitrogen, and after opening dead lnb, found all parts unsoldered). This system has quite large intertia, so it cools down/warms up gradually. The another problem is that feedhorn, while being mounted through teflon insulator, still cools down enough to form an ice on it and in it, which is very bad, so I have to mount a heater on feedhorn. </p><p></p><p>P.S. I flew abroad this morning, so do not except photos in this week at least.</p></blockquote><p></p>
[QUOTE="BombedOne, post: 805792, member: 300998"] It will destroy, and I've already killed several of them, if temperature is rapidly decreased/increased (I've poured liquid nitrogen, and after opening dead lnb, found all parts unsoldered). This system has quite large intertia, so it cools down/warms up gradually. The another problem is that feedhorn, while being mounted through teflon insulator, still cools down enough to form an ice on it and in it, which is very bad, so I have to mount a heater on feedhorn. P.S. I flew abroad this morning, so do not except photos in this week at least. [/QUOTE]
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Satellite TV receivers & systems support forums
Fringe Reception General
Help needed in identifying certain transponders (new, cryogenic LNB cooling)
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