Return to KLUBNL.PL main page

rsgb_lf_group
[Top] [All Lists]

Re: VLF: tonite on the 36km band...

To: [email protected]
Subject: Re: VLF: tonite on the 36km band...
From: Claudio Pozzi <[email protected]>
Date: Sat, 06 May 2017 20:41:11 +0200
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
User-agent: KMail/4.14.1 (Linux/3.16.0-4-amd64; KDE/4.14.2; x86_64; ; )

On Thursday 04 May 2017 22:25:43 you wrote:

> Hello Markus,

>

> Very good! With that SNR you could decode the 100 character message.

>

> The 3 char transmission for tonite failed. The fan has blown itselfe

> from the table, so the PA overheated again. One FET is dead and two 0.2

> Ohm resistors are dead as well. Time to build up the new design but i

> have to wait for some components...

> Now repairing the old design and continue to transmit...

>

> 73, Stefan

 

Hi Stefan. I know this fail!

 

I suggest a thermostat on the heat sink that remove the MOSFET DC supply.

 

http://uk.rs-online.com/web/p/thermostats/2282636/

 

73 de Claudio ik2pii

 




----
ZE-Light e ZE-Pro: servizi zimbra per caselle con dominio email.it, per tutti i dettagli clicca qui

Sponsor:
Soluzioni di email hosting per tutte le esigenze: dalle caselle gratuite a quelle professionali su piattaforma Zimbra, da quelle su proprio dominio a quelle certificate PEC. Confronta le soluzioni
Clicca qui


<Prev in Thread] Current Thread [Next in Thread>