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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
The C-band Tin-Dish challenge
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<blockquote data-quote="John" data-source="post: 996642" data-attributes="member: 175005"><p>Both @sband & myself have been doing a bit of comparison work between the Zinwell lnbf and Norsat Cband lnb's ..... this is a bit more info for sband that might be found as useful.</p><p></p><p>Nothing highly technical on the set-up , just basic readings off the analyser..... signal is from 55°West--3802H.</p><p>The yellow trace Graham is the Zinwell + AV-Comm barrel, the white trace is the saved trace from the Norsat 3520.</p><p>At one point the Zinwell + barrel was only just a fraction behind the C/N figure of the Norsat ..... the Norsat peaking at 8.1dB, the Zinwell peaking at 7.9 - 8dB.</p><p>Zinwell has the higher gain as shown in the trace but they both track pretty accurately to each other.</p><p>This Zinwell does not do too bad on performance considering it has a barrel in the signal path as well, where the Norsat is just straight in unobstructed to the probe.</p></blockquote><p></p>
[QUOTE="John, post: 996642, member: 175005"] Both @sband & myself have been doing a bit of comparison work between the Zinwell lnbf and Norsat Cband lnb's ..... this is a bit more info for sband that might be found as useful. Nothing highly technical on the set-up , just basic readings off the analyser..... signal is from 55°West--3802H. The yellow trace Graham is the Zinwell + AV-Comm barrel, the white trace is the saved trace from the Norsat 3520. At one point the Zinwell + barrel was only just a fraction behind the C/N figure of the Norsat ..... the Norsat peaking at 8.1dB, the Zinwell peaking at 7.9 - 8dB. Zinwell has the higher gain as shown in the trace but they both track pretty accurately to each other. This Zinwell does not do too bad on performance considering it has a barrel in the signal path as well, where the Norsat is just straight in unobstructed to the probe. [/QUOTE]
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Satellite Systems - What to Buy - What to install
The C-band Tin-Dish challenge
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