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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re: Ferrite wideband antennas? |
| From: | pws <[email protected]> |
| Date: | Thu, 01 Sep 2011 19:10:17 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.18) Gecko/20110616 SUSE/3.1.11 Thunderbird/3.1.11 |
Hi Victor, You wrote: try a BFP640,rBB 1ohm.Noise as low as 300pV/sqrt(Hz) is possible.Very cheap,but one drawback,Ft is about 40GHz,not easy to get stable.For topband I use BD139 (yes a lf driver),rbb 1,2 Ohm,very easy to use.. ... Thanks for hints! Incredible what is possible today. I prefer the BD139 since I could hear the impact on the floor when sneezing (^:^) 73 es gl, Peter |
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