[Lowfer] Re: AMRAD Probe antenna part needed

Chris Trask christrask at earthlink.net
Tue Jun 10 21:55:11 EDT 2008


    You'd be surprised how easy it is to make good amplifiers out of cheap
parts.  I have a 6dB gain lossless feedback amplifier here using the BFQ19
that has an OIP3 of +54dB.  Dallas Lankford and Kiwa are going to have a
heart attack over that one.

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

----- Original Message -----
From: "Johan H. Bodin" <jh.bodin at telia.com>
To: "Lowfer list" <lowfer at mailman.qth.net>
Sent: Tuesday, June 10, 2008 1:31 PM
Subject: Re: [Lowfer] Re: AMRAD Probe antenna part needed


> Thanks Chris!
>
> Nice work!
>
> 73 Johan SM6LKM
>
> Chris Trask wrote:
> >      The details for this amplifier can be found at:
> >
> >      http://tinyurl.com/2gkndh
> _______________________________________________
> >From the Lowfer mailing list
> Send messages to: Lowfer at mailman.qth.net
> To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer
>
>
> --
> No virus found in this incoming message.
> Checked by AVG.
> Version: 7.5.524 / Virus Database: 270.2.0/1494 - Release Date: 6/10/08
7:22 AM
>
>



More information about the Lowfer mailing list