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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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In Reply to: RE: Installed Attic Antenna posted by 6bq5 on September 13, 2018 at 11:19:08:
For an FM tuner, as you increase the RF signal strength using a multi-element antenna with passive gain, the signal to noise ratio continues to get better. Remember the quieting curves magazines used to publish when doing tuner reviews? As RF signal increased, S/N got better, (to a point).
see
http://www.gammaelectronics.xyz/audio_04-1978_fm.html
Perhaps you are thinking about using an RF amplifier, which usually increases the signal AND the noise by the same amount. And so usually does not help.
Usually multipath is not as much an issue with a directional multi-element antenna mounted high, like in an attic. But I do agree it's nice to try pointing it say +/- 40 degrees from the target station to see if you can find the lowest noise position.
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Follow Ups
- RE: Installed Attic Antenna - BFitz 13:54:45 09/13/18 (4)
- IME it is difficult to overload an FM tuner's front end. - Timbo in Oz 02:58:22 09/19/18 (3)
- RE: IME it is difficult to overload an FM tuner's front end. - BFitz 07:19:13 09/19/18 (2)
- IF stages widening in valve FM front-ends, as they fully limit! - Timbo in Oz 17:13:58 09/26/18 (0)
- Thanks for that. - Timbo in Oz 14:37:55 09/22/18 (0)
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