[mythtv-users] Understanding HD Antennas ( was HDHomeRun and jumpy video)
george_mythusers at mari1938.org
Sun Sep 16 20:14:43 UTC 2007
Jon Boehm wrote:
> How does reducing the input level sometimes help things? It seams to me
> that I'm STUCK with noise that is on the line. Once noise gets into the
> signal its impossible to get out. When you attenuate the signal the
> noise get promotionally attenuated giving the same signal-to-noise
> ratio. And again, amplifying the signal proportionally amplifys the
> noise again giving the same signal-to-noise ratio. So how to attenuator
> and amps help in noise situations?
Over on avsforum.com, they recommend quad-shielded RG-6 cable to keep
unwanted interference out between the antenna and tuner. Even
dual-shielded RG-6 is stated as being susceptible to interference.
Worse still is RG-59.
None of this is from personal experience, just my research.
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