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Thread: 2.2 M ohm Resistors

  1. #1
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    2.2 M ohm Resistors

    I "Searched" here and the WWW land of confusion. I know the "Capissitor" jargon can be thick. IMO, Resistors aren't far behind. Here we have "High Performance", primarily in critical circuits such as filter networks....
    http://www.welbornelabs.com/cad.htm

    Then, some "Metal Film" or "Carbon Film".
    http://www.acradiosupply.com/cat/NT...+Resistors.htmlhttp://www.newark.com/NewarkWebComm...ection&x=44&y=6[http://www.jdr.com/interact/item.as...=gr-resistors1m

    Question: What is a "Suitable" 2.2 M ohm resistor, for use in a C/C (Biased) network? (Brand or PN, Source)

  2. #2
    RIP 2011 Zilch's Avatar
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    They're just for biasing. No signal goes through them.

    I use 5¢ carbon films....

  3. #3
    Senior Member Flodstroem's Avatar
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    Resistor ad noise

    Hello rek50

    Zilch wrote:
    They're just for biasing. No signal goes through them.

    I use 5¢ carbon films....
    I wouldnt do that except for resistors in low amplification circuits and only if using resistors with a relative low value (<2k)

    when choosing a resistor for a specific circuit your choice must be led by the application. If using high resistance resistors in low noise high amplifying circuits you will also ad noise because resistor do that more or less depending on type of resistor and value. You could check this site and maybe you could find something useful tip:
    http://www.aikenamps.com/ResistorNoise.htm

    Also you could google for the "resistor noise" and you will get plenty of links to read

    Regards
    Flodstroem

  4. #4
    Senior Member duaneage's Avatar
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    THis is not a low noise high amp system. It is a high level speaker crossover and all the resistors do is supply a trickle of power to the capacitors. Nothing passes through them so they are not in the signal path in any way.

    Cheap resistors should be fine.

  5. #5
    Senior Member Flodstroem's Avatar
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    Uhh??!1 a 2.2 M ohm resistor in a crossover

    Sorry I miss understood the resistors usage because the high value but sure, its for the 9V battery in a crossover.
    Regards
    Flodstroem

  6. #6
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    "Cheap resistors should be fine." Thanks for the input guys.

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