QRP Balun 1:1 500w

QRP Balun 1:1 500w

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QRP Balun 1:1 500w

balun originally designed by Guanella, Ruthroff and subsequently improved by Dr. Jerry Sevick (W2FMI). We have enhanced the original by using an enclosure and various connector configurations that allow easy installation with just about any antenna installation. BASICQWW baluns are value-engineered to provide maximum performance at minimum cost, while providing a superb, efficient match between unbalanced coax and balanced antennas.

Only BASICQWW baluns will deliver the power to your antenna with minimum loss and perform a perfect transition from balanced to unbalanced.This will result in the strongest signal that your antenna is capable of producing consistently with the lowest SWR under given conditions and to provide a very high power rating across all HF frequencies.

W2FMI Series 1:1 Current (choke) 500 watts Barron Features

  •     Customized 798 factory high efficiency low permeability ferrite with coating seal
    Choose a special wire size for superior insulation and accurate impedance matching
    Suitable for full amateur frequencies
    Lower SWR
    Eliminate common common mode currents and radiation from feeders
    Reduce transmission RFI and receive noise
    Insertion loss is less than 0.05 dB
    SO-239 nickel plated connector with waterproof gasket and TEFLON insulation (optional silver plated -C)
    High standard waterproof box, long-term anti-UV
    Convenient mounting holes
    High purity stainless steel hardware
    Three-year warranty
Features :
Part Number :    CQW-50005
Core Type :    Outstanding low permeability ferrite mix coated toroid core with special design for    maximum bandwidth by 798 Factory Product
Winding Type :    Single core/Dual wire
Winding Material :    Polyimide Coated Winding Wire(Essex ALLEX Class 240) provide exact impedance    matching and superb insulation, unlike common Thermaleze wire
Ratio :    1:1
Power Handling(CW/SSB) :    300 watts / 500 watts
Frequency Range :    1.8 to 54 MHz
Band of Operation :    160M – 6M
Insertion Loss :    Less than 0.05db
Termination Impedance :    50 Ohms
Termination Type :    M5 Studs/Hex nuts/Wing nuts
Connectors :    Gasketed SO-239 connectors are nickel-plated with Teflon insulation (option C silver    plated)
Hardware :    All Stainless Steel
Enclosure Type :    NEMA rated 4x junction box provide sturdy weatherproof and an additional level of    protection against corrosion
Dimensions :    3.2 in. x 2.5 in. x 1.6 in.
Additional :    Very high efficiency (98-99%)
Mounting Type :    Antenna Mounting Options are available in the Accessories section
Warranty :    Three years

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