<<< DB-1500 >>>

F1DQM
DB-1500 amplifier for F1DQM
DB-1500

First Test 

14-09-2017

TRX = IC-738, Power 5W, Dummy Load PALSTAR DL-2.5K

Amplifier : DB-1500 (F1DQM )

With 5W by TRX,the OUTPUT is about 500W

Note : The Video is not so good,because was made very quickly only to see first results... Next,when all is complete,willbe better VIDEO file. - Sorry...



Second Test 

03-10-2017

Testing-tunnig the various radio amateur bands

TRX = IC-738, Power 5W, Dummy Load PALSTAR DL-2.5K

Amplifier : DB-1500 (F1DQM )



Next Test 

03-10-2017

TRX = IC-738, Power 15W, Amplifier : DB-1500 (F1DQM )

With 15W by TRX,the P.E.P. OUTPUT is about 500-700 W

*** QSO with UB4WAT : SSB -14148 kHz, very poor propagation and my ant : HEX BEAM was not direct to him - was direct to NW EUROPE ***




F1DQM CQ on the 40 meter band


F1DQM RP1 on the 40 meter band


F1DQM RP2 on the 40 meter band

F6DSD
DB-1500 for F6DSD
DB-1500

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F4HSE
Will Be Started In Early January...
DB-600-CD


( January And February - 2018 )

P-output : 400-600 Watts using 2 x GU-72, clasic grounded kathode shematic
Full control all parameters & protections, nice DISPLAY using STM32 microprocesor...

CONTROL & DISPLAY


For Control & Display using complete modul designed by UR4QBP




F6FKQ
Will Be Started In March - 2018 ...
DB-1500
Order Was Changed From DB-1500  To  DB-1500-CD

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F4AWH
Will Be Started In Juny - 2018...
DB-600-CD


( June - August 2018 )

P-output : 400-600 Watts using 2 x GU-72, clasic grounded kathode shematic
Full control all parameters & protections, nice DISPLAY using STM32 microprocesor...
<<< >>>


Next Byuer - September - 2018