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Posted by Roy L. Fuchs on 12/30/05 20:00
On Fri, 30 Dec 2005 13:23:26 -0600, Doug McDonald
<mcdonald@SnPoAM_scs.uiuc.edu> Gave us:
>Roy L. Fuchs wrote:
>
>>
>> Nope. reception is all about signal strength. Also, in the digital
>> realm, noise is not the problem. Bit error rate is.
>>
>
>However, there is a direct relation. VEry direct.
>
>
>>
>>> If the preamp is noisier than the front end in your receiver
>>>(likely) then
>>>your reception will suffer.
>>
>>
>> Doesn't sound like a pre-amplifier that I would want. D'oh!
>>
>> I want one that functions. I don't know what dollar store crap you
>> have been looking at.
>
>
>Even the cheapest preamp will have a better noise figure than
>almost all receivers. Whether that will be rendered immaterial
>by overload is a very different matter .... receivers are usually
>better than preamps in that area.
>
>Doug McDonald
Which is why most amplified antennas have a gain control, and even
an on/off/bypass switch.
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