[Premium-Rx] General Coverage Antennas for HF
Carcia, Frank A. HS
francis.carcia at hs.utc.com
Fri Jan 30 16:07:44 EST 2004
I found a series 6 dB pad helps when you are using an antenna tuner. I just
tune for maximum noise or signal and the tuner ends up being close to 50
ohms matched.
I have been able to transmit (on the Ham Bands) using this method of tuning.
I found receiver input impedance is not usually exactly 50 ohms. fc
-----Original Message-----
From: W.J. Ubbels [mailto:W.J.Ubbels at student.tudelft.nl]
Sent: Friday, January 30, 2004 3:58 PM
To: 'Richard Reich '; 'W.J.Ubbels at student.tudelft.nl '; 'ahmet-m at usa.com
'; 'premium-rx at ml.skirrow.org '
Subject: RE: RE: [Premium-Rx] General Coverage Antennas for HF
Yes, that would be a good option. The antenna delivers more than enough RF,
so a 6dB pad won't hurt.
Wouter
PE4WJ
-----Original Message-----
From: Richard Reich
To: W.J.Ubbels at student.tudelft.nl; ahmet-m at usa.com;
premium-rx at ml.skirrow.org
Sent: 30-1-04 11:45
Subject: Re:RE: [Premium-Rx] General Coverage Antennas for HF
Thank you for that information - just what I was looking for.
I guess for it to work correctly into any receiver, the amp must see a
constant
impedance of 50R - so would fit a pad (of around 5-6dB or so) between
the amp
and receiver?
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