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Where is RF gain set on 'cheap' radio with no control knob?

Discussion in 'CB Radio Forum' started by Jeffro115, Apr 30, 2009.

  1. Apr 30, 2009 #1
    Jeffro115

    Jeffro115 Bobtail Member

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    Dec 11, 2008
    Pittsburgh PA
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    I am curious to know where the gain is set by the factory, on a radio that doesn't actually have any control knobs on the face.


    That is, if I bought a radio with a vol. and squelch knob only, what would be comperable settings on a radio with a RF gain and mic gain knobs?



    Is it factory tuned so that the gain is all the way up? Or is it set somewhere in the middle?
     
    Jeffro115, Apr 30, 2009
    Jeffro115, Apr 30, 2009
    #1
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  3. Apr 30, 2009 #2
    LostSoulCA

    LostSoulCA Medium Load Member

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    Visalia, CA
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    It is typically an amplifier designed to acheive the stated sensitivity. (Read: all the way up)
     
    LostSoulCA, Apr 30, 2009
    LostSoulCA, Apr 30, 2009
    #2
  4. May 1, 2009 #3
    Jeffro115

    Jeffro115 Bobtail Member

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    Dec 11, 2008
    Pittsburgh PA
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    If they set it all the way up, then why would I ever want to turn the gain down on a radio that has the capability to do so?
     
    Jeffro115, May 1, 2009
    Jeffro115, May 1, 2009
    #3
  5. May 1, 2009 #4
    LostSoulCA

    LostSoulCA Medium Load Member

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    Visalia, CA
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    If there is a lot of noise and you were talking to someone close you can turn the RF gain down to eliminate some of the noise. Remember, CB isn't like real radios. Ham radios have controls like RF gain to make fine adjustments for the purpose of improving receive quality on small signals. CBs have RF gain and adjustments like that because at one point somebody saw one on a ham radio and said, "I want one of those".
     
    LostSoulCA, May 1, 2009
    LostSoulCA, May 1, 2009
    #4
  7. May 3, 2009 #5
    Rat

    Rat Road Train Member

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    Rats nest Grafton North Dakota
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    I have cobra and Uniden radios with the RF gain control knob and I have unhook the wires from them and soldered the wires together (sets the gain at max) and used the RF gain control for variable talkback or other things such as variable power.
     
    Rat, May 3, 2009
    Rat, May 3, 2009
    #5
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