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Ham Member Lookups: 22217

   

HP SDR Bauprojekt

"Hermes 300"

Hermes Board   -   300W+ PA   -   RX-Bandpassfilter  -  50/12 Volt Netzteile

 

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Verdrahtung zwischen den Aluplatten. (Bodenplatte abgenommen)

 

Ansicht der Bodenplatte: Temperatur geregelte Lüfter für die PA und passive Lüftung der Netzteile

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IMD mit Predistortion

 Ich betreibe "Hermes 300" an einer Röhren-PA (Ameritron AL-80B).

 2-Ton IMD3 Messung bei 1kW out: 57 dBc

 IMD3 Messung mit SSB Signal bei 1kW out: 53 dBc

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Fertig bestückte und geprüften Leiterplatten für "Hermes 300":

1. 300 Watt PA in 50 Volt MOSFETs Tecknik  -  Treiber 1x MRF 150 Class-A ,  Endstufe 2 x SD2933

Preis ca.  420 EUR,  Link: http://eb104.ru/shop-online-english

 

2. Hermes - HPSDR (500mW),  Preis ca. 835 EUR

 

3. RX Bandpassfilter (Preselektor), Preis ca. 200 EUR, Link: http://eb104.ru/shop-online-english

Gesamtkosten des Projektes 2300.- EUR: Mit eloxierten und gravierten Aluplatten, 50V + 12V Netzteilen

Lüfter + Gitter, Kühlkörper, Kupferplatte, Markenstecker  Buchsen + Schalter, Edelstahlschrauben, Abstandshalter,

Sicherungen, Abgeschiermten Leitungen, gedrehten Alufüßen, Teflon-Koaxkabel und weiterem Kleinmaterial ... .

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Autom. Symmetrischer Antennen-Koppler

Hamware AT-502 http://www.hamware.de/

Info: http://www.r25.de/index.php/das-tuner-interface

http://www.digitale-elektronik.de/shopsystem/product_info.php?products_id=85

Inside the balanced Koppler "Hamware AT-502".

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HF Antenne  160 - 10m

Dipol 2x38m; spiderbeam tower; height = 18m


UKW Antennen

Up: 2m + 70cm Yagi vertikal,X30.

Down: balanced Koppler "Hamware AT-502" with open feeder.


Shack DL5AI


Mic + Preamp

MXL 990

Beringer Tube Ultragain MIC200

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Röhren PA

Ameritron AL-80B with 3-500Z.


HP SDR Bauprojekt

von DJ7KX + DJ5DM

 "Hermes 300W"

Hermes Board + 300W PA + RX-Bandpassfilter(BPF) + 50/12 Volt Netzteile

 


 

1373357 Last modified: 2014-10-23 17:35:56, 11620 bytes

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