Tous droits réservés (Copyright) F1FRV
REPONSES A VOS QUESTIONS TECHNIQUES
TRANSFORMATEURS HT QRO / QRO HV TRANSFORMERS
DECAMETRIC AMPLIFIER WITH GS-35b IN 6U RACK
"MEDIUM WEIGHT" HIGH VOLTAGE POWER SUPPLY & 4U RACK
"LOW COST" HIGH VOLTAGE POWER SUPPLY
TRIODE AMPLIFIERS BOARDS & 3U RACK
SUPPORT GS-35b et GS-31b / GS-35b and GS-31b SOCKET
FOR HF AMPs: OUTPUT PI NETWORK DESIGN (français/english/spanish)
SEQUENCEUR EMISSION / RECEPTION (en Francais / in French)
VHF/UHF CAVITY DESIGN & INPUT CIRCUITS DESIGN (français & english)
TETRODE AMPLIFIERS BOARDS
COLLINS 490T-1 AUTOMATIC ANTENNA TUNER
LINEAR AMP "COLD" ADJUSTMENTS WITH VNA
ALIMENTATION HAUTE TENSION 5 kW F1FRV (français)
PEAK POWER METER / WATTMETRE CRETE
ALL POWERS SWR BRIDGE AND POWER METER
AUTOMATIC SWR METER AND SEMI AUTOMATIC TUNING UNIT
HIGH POWER BI DIRECTIONAL COUPLER 28-500 MHz
CONTEST ANTENNAS SYSTEMS QRO++, SPLITTERS, RELAYS BOXES(en français)
HARRIS RF-353/355 AMPLIFIERS AND TUNERS MODIFICATIONS
TELECOMMANDE POUR SELF A ROULETTE OU CV SOUS VIDE
GEARMOTOR FOR ROTARY INDUCTOR OR VACUUM CAPACITOR
SSPAs POLARISATION & SAFETY CARDS (français & english)
HIGH POWER ( 1.5 TO 10 kW ) ANTENNA RELAYS
SOFT START SIMPLE POUR FILAMENT (in French)
BALUNS / UNUNS (en Français / in French)
HIGH POWER AUTOMATIC ANTENNA TUNER PROJECT (in French)
RUSSIAN HF POWER MOBILE STATIONS " R-140 "
BLOWERS CALCULATIONS FOR CERAMIC POWER TUBES
OLD POWER TETRODES CONDITIONING BEFORE USE
2 x GS35b 144 MHz 4000+ W AMPLIFIER DESIGN
2 x GS35b 144 MHz 4000+ W AMPLIFIER PICTURES
HIGH POWER VHF/UHF LOW PASS FILTERS (in French)
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