e-mail me @

sv1doq1@yahoo.com

Sunday, 18 May 2008

*****MY SHACK , MY ANTENNAS AND MY TUBES ***** CLICK HERE TO SEE ALL PAGES http://sv1doq.blogspot.com) ......


MY EMAIL : sv1doq1@yahoo.com

                                                                            

MY SHACK IN ATHENS 





















MY SECOND SHACK IN SPARTA 
        (LONGANIKOS  VILLAGE 30 KM NORTH)










MY HOME IN ATHENS




























 STACK 
4   VHF  YAGI  16 ELEMENT EACH
2   UHF  YAGI  17 ELEMENT EACH
DIVIDER UHF 1 TO  2
DIVIDER VHF 1 TO 4
ALL HANDMADE



















MAGNETIC LOOP

LOOP CIRCUMFERENCE  = 12m

CONDACTOR DIAMETER =  68 mm

RANGE  1.5 - 9 MHZ




















M Y ... T U B E S












BIRD
5 KW AND MORE  !!!


Wednesday, 5 March 2008

HF LINEAR AMPLIFIER 3CX15000 A7 OUTPUT MORE THAN 6,5KW, 200W,IN 4700V,1,8A CLICK HERE TO SEE ALL PAGES http://sv1doq.blogspot.com)




3CX15000A7


MAIN HF AMPLIFIER












POWER SUPLLY 7500V DC, 3A







PREAMPLIFIER 3 X QB4, 3,8 KV


                        PREAMPLIFIER 3800VDC 1.5A
                        OUTPUT 2500W PEP



3CX15000A7
OUTPUT 6500W PEP WITH 200W INPUT ,
GRID DRIVEN, TERMINATED AT 200 Ω RESISTANCE ,
 AT 4700V DC, 1,85A

I COULD TAKE MORE THAN 25 KW PEP AT 8000V DC .

Tuesday, 27 November 2007

HF LINEAR AMPLIFIER 8 X QB4 OR 4-400 tubes 5kw (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

Input:200W Out: 5kw ,Input: 270W Out: 6kw ,Input: 350W Out: 7kw?
Power Supply 7kv , In
Full power conditions 5.6kv 1.6a,5kw out





































POWER SUPPLY 7 KV


VHF PUSH PULL LINEAR AMPLIFIER 900 W, GLASS TUBES 2 X QB4 SIMILAR 4-400 CLICK HERE TO SEE ALL PAGES

VHF 145 MHZ PUSH PULL AMPLIFIER WITH GLASS TUBES 2 X QB4 SIMILAR 4-400, GROUNDED GRID (GG) USING PHASE IVERTER , INPUT 70W OUTPUT 900W , AT 3700V AND 0.6A





HF LINEAR AMPLIFIER 6 X QB4 OR 4-400 TUBES (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES


4KW HF LINEAR AMPLIFIER ( 2 X GU84B ) (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES

LINEAR AMPLIFIER 2 X GU84B UNDER CONSTRUCTION IN FINAL STAGE AND POWER SUPPLY OVER 5500V EMPTY 4900V FULL POWER

VHF 144 -146 Mhz LINEAR AMPLIFIER 700W 4CX350 (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES



VHF LINEAR AMPLIFIER 1Kw 2 X 4CX250 PUSH PULL (http://sv1doq.blogspot.com) CLICK HERE TO SEE ALL PAGES





POWER VHF AMPLIFIER 3CX1500A7 , OUTPUT POWER MORE THAN 1.500W AT 4.2 KV DC.



ONE OF OLDEST RADIO STATIONS OF THE WORLD
INSTALLED BEFORE 1937 FROM TELEFUNKEN FOR ERT sa GREEK RARIO TV

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THE MAIN RADIO STATION AND THE GREEK RADIO AMATEUR SV1PC PENSIONER TECHNICIAN ERTsa
*********************************************************************************



THE CONTROL PANEL OF THAT OLD RADIO STATION
***************************************












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THREE ANTENAS 50Ω ΙΝ ONE LINE 50Ω











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P CALCULATION