HOME MADE BY SP5GJN


HF POWER AMPLIFIERS  

BY SP5GJN 


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ATTENTION !!! 

The site has been created for educational purposes. It shows the effects of countless hours of a hobbyst work. All the elements of the amplifiers are made on a kitchen table with basic tools.


Constructor


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FIRST TRX
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SP5GJN & SQ5FWH
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  NEW ONE

Wiesiek SP5GJN and his son Sylwek SQ5FWH.  

CW Key by SP5GJN

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SP5GJN's home made CW key...

PA Components by SP5GJN


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Home made air variable capacitors and switches specifically designed for Pi-Network... Tubes, valves and transformers for future projects...

600W HF Power Amplifier (2 x QB3/300 in one box)  by SP5GJN

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2 x QB3/300 FRONT
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2 x QB3/300 INSIDE

600W HF Power Amplifiers (2 x QB3/300) by SP5GJN  

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600W (2 x QB3/300) Specifications (green):

Tubes:  2 x QB3/300
Frequency Range:  3,5 - 30Mhz + WARC 
Modes:  SSB,CW,AM,FM,RTTY,SSTV
RF Input:  60W  SSB,CW
   30W  AM,FM,RTTY,SSTV
RF Output:  600W  SSB,CW
   300W  AM,FM,RTTY,SSTV
Cooling Method:  Fan Forced Air Cooling
Input Impedance:  50 Ohms (Pi-Network)
Output Impedance:  50 Ohms 
Plate Voltage:  3.0kV approx 
PA Dimensions (WxDxH) & Weight:  250x300x170 mm, 9kg
PS Dimensions (WxDxH) & Weight:  160x300x170 mm, 11kg

 


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Contact Info:

Wiesław Gasek, SP5GJN

QTH: Ostrołęka - POLAND

Phone: +48 29 / 760 62 67

E-mail: sp5gjn@wp.pl


Photographer & Webmaster: SP5XSD

Last modified: 2009-01-17 17:12

http://sp5gjn.za.pl/indexen1.htm