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Maxi-Core
Formed Aluminum Case
DXE-BAL-050-Series 1:1 Ratio
DXE-BAL-100-Series 2:1 Ratio
DXE-BAL-200-Series 4:1 Ratio
DXE-BAL-300-Series 6:1 Ratio
DXE-BAL-450-Series 9:1 Ratio
DXE-BAL-600-Series 12:1 Ratio
P.O. Box 1491 ∙ Akron, OH 44309-1491 USA
Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200
Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com
Baluns
Cast Aluminum Case
DXE-BAL-INS Rev 6b
© DX Engineering 2012
Formed Aluminum Case
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Related Manuals for DX Engineering Maxi-Core DXE-BAL-050-Series
Summary of Contents for DX Engineering Maxi-Core DXE-BAL-050-Series
- Page 1 DXE-BAL-200-Series 4:1 Ratio DXE-BAL-300-Series 6:1 Ratio DXE-BAL-450-Series 9:1 Ratio DXE-BAL-600-Series 12:1 Ratio © DX Engineering 2012 P.O. Box 1491 ∙ Akron, OH 44309-1491 USA Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com...
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Page 2: Specifications
"second conductor". The balun has to do a good job and be reliable. DX Engineering has the expertise to design and build a better balun that will deliver more power to the antenna, be more reliable, and in many cases cost less than products made by others. - Page 3 Current Baluns Current baluns (also known as choke baluns) allow the output voltage, with respect to "ground" or outside world, to float to any value required to provide equal currents to each feedline conductor. In essence, current baluns are a universal device which will be used to drive either balanced or unbalanced lines or loads equally well.
- Page 4 T-suffix tuner baluns for higher frequencies (above 15 MHz) on resonant antennas unless they are used with tuners. DX Engineering tuner-baluns work equally well and handle the same power on the tuner input or output, so use them wherever most convenient for your system. For resonant antennas use a standard DX Engineering balun, which are models that end without a "T"...
- Page 5 The balanced terminals do have a phase relationship with the unbalanced coax connector. The RED D in DX Engineering on the balun label is adjacent to the positive phase terminal as shown in Figure 1. In some applications, such as resonant or trapped dipoles and Yagis, the phase is not important.
- Page 6 When making connections to the balanced terminals, the antenna wire should be placed between the flat washers. The supplied wing nuts should be hand tightened only. Do not use pliers or other tools to tighten them as excessive force may damage the internal connections or the ceramic insulators. When making connections to the balanced terminals, it is recommended that you install ring terminals on the ladder line rather than just twisting the bare wire around the terminals.
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Page 7: Installation
If the balun is used near the operating position, a short connection to the station ground might be helpful. If DX Engineering baluns are used in an array of two or more phased vertical antennas, it is essential that the positive phase terminal be connected to the antennas and the negative phase terminal to ground. - Page 8 Table 2 shows the correct dimensions for the antenna and feedline for your Multi-band Dipole antenna when using DX Engineering Ladder Line. Make the feedline any odd multiple of the lengths shown. Be sure you use the correct column for 300 Ω or 450 Ω feedline.
- Page 9 Select Column Corresponding to Correct Recommended length which the Velocity Factor of Your Feedline. Velocity if non-resonant dipole Antenna will Factors Shown Are For DX Engineering and less than 1/2- be Used (MHz) Ladder Line wavelength above ground 0.91 (450Ω ladder) 0.88 (300Ω...
- Page 10 The coax from the DX Engineering 1:1 Balun to the tuner should be kept short; typically 5 to 15 feet is best. You can read more about this on the DX Engineering web site (www.DXEngineering.com) look for the article "Choosing the Correct...
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Page 11: Mounting Kits
DX Engineering baluns require no maintenance when properly installed. Mounting Kits DX Engineering offers several optional mounting kits. For boom or mast mounting, use the optional DXE- BMB series Balun Mounting Kits which include an aluminum bracket and stainless steel circular clamps and hardware. - Page 12 There are three types cases used for DX Engineering Baluns. Two are formed aluminum and one is cast aluminum. The following are typical examples of the three types of cases for the available baluns showing the method for mounting them to the Center-T (U.S. Patent N0. 7,764,244) of a DXE-UWA-KIT.
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Page 13: Optional Items
High Power Transmission Line Transformers and Baluns with Patented Maxi-Core™ Technology DX Engineering Baluns with Maxi-Core™ Technology let your antenna perform to its full potential and reduce the stresses on your equipment. These current baluns force the RF current to be equal and balanced - assuring the best efficiency from your balanced dipole, yagi, quad, loop or vertical/radial application. - Page 14 Windom, Zepp, long wires, rhombic, vee beam and loop antennas. Stainless steel hardware to mount your DX Engineering Balun to the Center-T for any resonant wire antenna is also included. The Center-T has a centered top 3/8 inch hole for attachment of an antenna support rope, and the End Insulators accept up to 5/16 inch antenna support rope.
- Page 15 - It's the RTV! Normal RTV gives off acetic acid when it cures. That's the vinegar smell. The acetic acid causes the corrosion. DX Engineering has located a Neutral Cure RTV made right here in Ohio that is non-corrosive and is safe for sealing those baluns and other electronic gear that are going to be out in the weather.
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Page 16: Technical Support
All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a period of one (1) year from date of shipment. DX Engineering’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted; no allowance shall be made for any labor charges of Buyer for replacement of parts, adjustment or repairs, or any other work, unless such charges are authorized in advance by DX Engineering.
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