Return to KLUBNL.PL main page

rsgb_lf_group
[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

Re: LF: Noise cancelling by using optic transmission of RX signals

from [Alberto di Bene] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: Noise cancelling by using optic transmission of RX signals
From: Alberto di Bene <[email protected]>
Date: Wed, 16 Dec 2009 22:51:59 +0100
In-reply-to: <op.u41mhtnwyzqh0k@pc1>
References: <38A51B74B884D74083D7950AD0DD85E828ACB3@File-Server-HST.hst.e-technik.tu-darmstadt.de> <op.u41mhtnwyzqh0k@pc1>
Reply-to: [email protected]
Sender: [email protected]
User-agent: Thunderbird 2.0.0.23 (Windows/20090812)
Z-usanet-msgid: XID229NLPV1c9072X38
Roelof Bakker wrote: 
Hello Stefan,

This sounds quite interesting.
An other option is to use a twisted pair of CAT5 network cable and  
rf-isolation transformers at the antenne and receiver end.
The power for the active antenna can be fed over a second twisted pair.
I have used this in a few stubborn cases.
I used a couple of these ununs, galvanically isolated, at the two ends of the coax.
It helps a lot. The core was a very high permeability one.

73  Alberto  I2PHD


[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: LF: Noise cancelling by using optic transmission of RX signals, Ken
Next by Date:  LF: China QRT, hellozerohellozero
Previous by Thread:  Re: LF: Noise cancelling by using optic transmission of RX signals, Roelof Bakker
Next by Thread:  LF: DD7PC, tnx for test, Stefan Schäfer
Indexes:  [Date] [Thread] [Top] [All Lists]