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active antenna

24 links and 2 categories about active antenna on dxzone.com

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  • Manufacturers : Antennas : HF : Active antennas
  • Antennas : Active

     Site listings
    Antennas : Active Antennas : Loop
    • The Carpet loop indoor antenna  pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.
      [Hits: 22953 | Votes: 13 | Rate: 7.23]
    • Advanced active VLF Loop - Article on using loop antenna in very low frequencies
      [Hits: 1663 | Votes: 2 | Rate: 10.00]
    Antennas : Magnetic Loop Antennas : Receiving Antennas : Theory
    • About broadband - What you gain and what you lose. While broadband and electrically small antennas may look attractive on the surface, they are by necessity compromises and usually don’t work as well as tuned antennas.
      [Hits: 360 | Votes: 0 | Rate: 0.00]
    • VSWR Reactive Power - Many antennas and antenna designers neglect the true cause of loss. The major problem using short antennas is the reactance, not the length
      [Hits: 61 | Votes: 1 | Rate: 6.00]
    Antennas : Theory : Antenna Gain
    • Corner reflector antenna - Do you need a high gain antenna? Have you suffered on picking up interference from unwanted direction? You need a directional antenna but a 12 element Yagi will be too attractive!
      [Hits: 1132 | Votes: 3 | Rate: 4.67]
    Manufacturers : Accessories
    • Idiom Press - CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.
      [Hits: 1903 | Votes: 1 | Rate: 9.00]
    Manufacturers : Antennas : HF : Active antennas
    • Clifton Laboratories - Band Reject Filters, Bandpass Filter, Active Antennas, amplifiers and preamplifiers
      [Hits: 199 | Votes: 0 | Rate: 0.00]
    Manufacturers : Antennas : VHF UHF Microwave
    • Tecom - Tecom industries product line encompasses a wide range of highly sensitive active and passive antennas for use in airborne and ground applications, providing complete coverage of the 20 MHz to 40 GHz frequency range.
      [Hits: 141 | Votes: 0 | Rate: 0.00]
    Manufacturers : Baluns Manufacturers : Cable and Connectors
    • Radio Frequency Systems - RFS is a global designer and manufacturer of cable and antenna systems plus active and passive RF conditioning modules, providing total-package solutions for wireless infrastructure.
      [Hits: 229 | Votes: 1 | Rate: 10.00]
    Operating Modes : VHF UHF
    • An Introduction to 24 GHz - Article provides a guide on how to use 24 GHz band and what to expect, including Active modes, equipment, propagation and antennas for this band in by VE3SMA
      [Hits: 135 | Votes: 0 | Rate: 0.00]
    Software : Antenna analysis
    • Smith Chart Software - SimSmith is a highly interactive, real time Smith chart graphing program. Circuits are constructed using drag-n-drop. Load files can be imported from the EZNEC and CocoaNEC antenna simulation software and from the AIM4170 and miniVNApro antenna analyzers. Circuits and load files can be of any size. Key Features: SimSmith is one of the few Smith chart packages which models transmission line losses. SimSmith also allows the description of circuit elements using algebraic equations. SimSmith has only one screen and allows the screen to be resized to increase workspace or readability.
      [Hits: 323 | Votes: 1 | Rate: 6.00]
    Technical Reference : Radio Frequency Interference : Noise Reduction
    • QRM and noise reduction Priority listing - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
      [Hits: 3264 | Votes: 4 | Rate: 8.00]
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