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  QSL image for DL5AI

DL5AI Germany flag Germany

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Hamware AT-502


Automatic remote controllunit for balanced koppler (koppler is outside).

This unit controls the AT-502 via CAT-Control from the TRX.

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



Inside the balanced Koppler "Hamware AT-502".



HP SDR Bauprojekt

>>> "ANAN 300" <<<


Hermes + 300W PA + Preselektor (RX BPF) + 50/12 Volt Netzteile



Link zur PA: http://eb104.ru/shop-online-english


Verdrahtung unterhalb der Alu-Grundplatte.


Preise ca. -------- 420 EUR ------------------------ 200 EUR-------------------- 830 EUR ----------



IMD3 "ANAN 300"


2Ton-Messung der obigen 50Volt MOSFET-PA.

(ohne Perdistortion!!) bei 300 Watt = 43 dBc IMD3



Predistortion mit Röhren PA

In SSB betreibe ich die obige 300 Watt MOSFED PA mit ~70 Watt. Sie steuert dann die

Ameritron AL-80B (Röhre 3-500Z). SSB-Spektrum @ ~1 kW PEP out (Dummyload).


SSB Spektrum "mit Predistortion"= 52 dBc IMD3


IMD3 2-Ton Messung mit Predistortion @~ 1 kW.

-------- IMD3 bitte selber zählen ------- Hi -------(10dB/div)


Hier z.B. ein Koppler / Sampler zum rückführen der HF hinter der PA zu Hermes:

http://preciserf.com/shop/hfs-1-5/ --------- oder selber bauen.




HF: Dipol 2x38m; spiderbeam tower; height = 18m




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


Röhren PA

Ameritron AL-80B with 3-500Z.














Last modified: 2014-03-25 17:41:48, 10639 bytes

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