[Lowfer] Re: AMRAD Probe antenna part needed
James M. Walker
chejmw at buffalo.edu
Wed Jun 11 07:28:52 EDT 2008
Have you considered the IFI series of wide-band amplifiers?
I tested the 500 model, because I had one, at 500 KC very good
response, also works up into the Amateur ranges. Oh yes and also
it has tubes in it, 6AK5s.
Jim
WB2FCN
----- Original Message -----
From: "Chris Trask" <christrask at earthlink.net>
To: "Discussion of the Lowfer (US, European, & UK) and MedFer bands"
<lowfer at mailman.qth.net>
Sent: Tuesday, June 10, 2008 9:55 PM
Subject: Re: [Lowfer] Re: AMRAD Probe antenna part needed
> 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
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