[Lowfer] would appreciate info on noise nulling

[Chris Trask]

>
> I've been searching the net to no avail. Only references to
> commercial units. Will someone link me to a good resource for
> homebrewed noise cancelling / nulling ant. setups ?
>

    What sort of noise?  Here's a monologue I wrote about low-frequency
noise:

    http://www.home.earthlink.net/~christrask/Paper013.html

and a circuit I came up with for dealing with impulse noise:

    http://www.home.earthlink.net/~christrask/Paper020.html

Chris

     ,----------------------.       High Performance Mixers and
    /    What's all this     \    Amplifiers for RF Communications
   / extinct stuff, anyhow?  /
   \  _______,--------------'           Chris Trask / N7ZWY
  _ |/                                  Principal Engineer
 oo\                                  Sonoran Radio Research
(__)\       _                             P.O. Box 25240
  \  \    .'  `.                     Tempe, Arizona 85285-5240
   \  \  /      \
    \  '"        \                 IEEE Senior Member #40274515
     .       (  ) \
      '-| )__| :.  \              Email: christrask at earthlink.net
        | |  | | \  '.       http://www.home.earthlink.net/~christrask
       c__; c__;  '-..'>.__

                       Graphics by Loek Frederiks