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Content preview: Hi Luis, Time to connect a MOSFET to the MOSFET-driver! 73, Stefan [...] Content analysis details: (-2.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [185.67.36.66 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 91e1efbff209cbddb14bc9e018c2cfe8 Subject: Re: LF: The return of EbNaut for Dummies Content-Type: multipart/alternative; boundary="------------000804000702010701080105" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=HTML_70_80,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false This is a multi-part message in MIME format. --------------000804000702010701080105 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi Luis, Time to connect a MOSFET to the MOSFET-driver! 73, Stefan PS: Don't forget the LPF :-) Am 13.09.2018 13:03, schrieb VIGILANT Luis Fernández: > > Hi Stefan > > The FFT lenght is 32768 and the exported FFT bins are 16384. Anyway > the .usr file is attached > > The signal is almost 20dB over noise at 5mHz bandwidth. Clearly > visible and I can also see the sidebands in other (faster) instance > > when modulating phase at 0.1 s rate. The power is very small. Just > what I can get from a MIC4452 mosfet driver at 12V and > > the Tx antenna is just a 5cm piece of wire. The Rx antenna at about > 15m away in the roof > > Transmitting from my QTH with the big antenna and same power produces > a similar S/N > > But then we add the posibility of a timing offset to the puzzle L > > 73 de Luis > > EA5DOM > > --------------000804000702010701080105 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi Luis,

Time to connect a MOSFET to the MOSFET-driver!

73, Stefan

PS: Don't forget the LPF :-)

Am 13.09.2018 13:03, schrieb VIGILANT Luis Fernández:

Hi Stefan

 

The FFT lenght is 32768 and the exported FFT bins are 16384. Anyway the .usr file is attached

 

The  signal is almost 20dB over noise at 5mHz bandwidth. Clearly visible and I can also see the sidebands in other (faster) instance

when modulating phase at 0.1 s rate. The power is very small. Just what I can get from a MIC4452 mosfet driver at 12V and

the Tx antenna is just a 5cm piece of wire. The Rx antenna at about 15m away in the roof

 

Transmitting from my QTH with the big antenna and same power produces a similar S/N

But then we add the posibility of a timing offset to the puzzle L

 

73 de Luis

EA5DOM


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