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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Best LNB On Market.
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<blockquote data-quote="Lazarus" data-source="post: 617362" data-attributes="member: 323322"><p>A bit of a "how long is a piece of string" one, this!</p><p></p><p>LNBs have various key parameters, the most influential <em>probably</em> ('cos someone will doubtless disagree ..... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" />) being Cross Polarisation Rejection and Noise Figure.</p><p></p><p>Noise Figure is often (almost always) quoted without qualification and I always assume refers to the best performance over a relatively small section of Ku Band - It should be noted that the Noise Figure vs Frequency Plot is never by any means flat, so it is possible for a 0.2dB LNB to perform worse than a 0.6dB LNB other than over a very small part of the Band.</p><p></p><p>The most practical thing to do, therefore, is to purchase two or three different LNBs (Let's face it, they're as cheap as chips, even to a dyed in t'wool tyke like me) and to experiment.</p><p></p><p>Starter suggestion: Smart Titanium 0.2dB</p></blockquote><p></p>
[QUOTE="Lazarus, post: 617362, member: 323322"] A bit of a "how long is a piece of string" one, this! LNBs have various key parameters, the most influential [I]probably[/I] ('cos someone will doubtless disagree ..... :D) being Cross Polarisation Rejection and Noise Figure. Noise Figure is often (almost always) quoted without qualification and I always assume refers to the best performance over a relatively small section of Ku Band - It should be noted that the Noise Figure vs Frequency Plot is never by any means flat, so it is possible for a 0.2dB LNB to perform worse than a 0.6dB LNB other than over a very small part of the Band. The most practical thing to do, therefore, is to purchase two or three different LNBs (Let's face it, they're as cheap as chips, even to a dyed in t'wool tyke like me) and to experiment. Starter suggestion: Smart Titanium 0.2dB [/QUOTE]
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DISH SETUP: Single sat, Multi-Sat & Motorised
Best LNB On Market.
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