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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
Using a echostar ad-3000ip viaccess with a smw q-pll quad lnb type r
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<blockquote data-quote="ozumo" data-source="post: 1096069" data-attributes="member: 415308"><p>Post #14 is of my now dead Echostar ad3000, initially subman was using this receiver also as per the thread title. But as the limitation of this receiver became apparent to him (DVB-S, MPEG 2, no blind scan), he switched to using the Technomate 5402. Also he now has an ASC1 for positioning & polarisation so the Echostar is not part of the plan moving forward.</p><p></p><p>As the Technomate has simple LNB options, we have been trying to find the best way to use his SMW LNB with it. Voltage can not be used to select band, and I believe when 2 LOs are defined for an LNB, the receiver will use 22khz tone to try to switch between them. So frequencies & polarisations will be messed up anyway.</p><p></p><p>Personally I would set up a separate satellite for each LO & polarisation combo. So each position would need max 4 satellites setting up (now we know 2 LOs will cover both bands). Frequencies would be correct, polarisations would be hit & miss.</p><p></p><p>Or a system in order to make the SMW appear to act like a 9750/10750 universal LNB:</p><p></p><p>Assuming ASC1 & SW21 switch both pass tone. The usual 13v/18v from the receiver would control polarisation of the polarotor via the ASC1, tone will control band:</p><p>[code]ASC1 13v fixed -> SW21 22khz switch input 1 -> DC blocker -> bias T with 18v -> GR-11 22khz generator -> Priority switch -> LNB (9750 LO)</p><p></p><p> input 2 -> Priority Switch -> LNB (10750 LO)[/code]</p></blockquote><p></p>
[QUOTE="ozumo, post: 1096069, member: 415308"] Post #14 is of my now dead Echostar ad3000, initially subman was using this receiver also as per the thread title. But as the limitation of this receiver became apparent to him (DVB-S, MPEG 2, no blind scan), he switched to using the Technomate 5402. Also he now has an ASC1 for positioning & polarisation so the Echostar is not part of the plan moving forward. As the Technomate has simple LNB options, we have been trying to find the best way to use his SMW LNB with it. Voltage can not be used to select band, and I believe when 2 LOs are defined for an LNB, the receiver will use 22khz tone to try to switch between them. So frequencies & polarisations will be messed up anyway. Personally I would set up a separate satellite for each LO & polarisation combo. So each position would need max 4 satellites setting up (now we know 2 LOs will cover both bands). Frequencies would be correct, polarisations would be hit & miss. Or a system in order to make the SMW appear to act like a 9750/10750 universal LNB: Assuming ASC1 & SW21 switch both pass tone. The usual 13v/18v from the receiver would control polarisation of the polarotor via the ASC1, tone will control band: [code]ASC1 13v fixed -> SW21 22khz switch input 1 -> DC blocker -> bias T with 18v -> GR-11 22khz generator -> Priority switch -> LNB (9750 LO) input 2 -> Priority Switch -> LNB (10750 LO)[/code] [/QUOTE]
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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
Using a echostar ad-3000ip viaccess with a smw q-pll quad lnb type r
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