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Summary of Contents for DX Engineering DXE-RBS-1P
- Page 1 Reversible Beverage System DXE-RBS-1P DXE-RBS-1P-INS Rev 2 © DX Engineering 2009 P.O. Box 1491 · Akron, OH 44309-1491 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: Table Of Contents
Table of Contents Introduction Features Specifications Typical Reverse Beverage System Layout - Figure 1 Additional Parts Required Hardware Ground Rods Feedline Antenna Wire Power Supply Installation Site Selection Proximity to Transmitting Antennas Lightning Protection Adding #26 Wire - Figure 2 Grounding Antenna Antenna Performance Chart - Table 1... -
Page 3: Introduction
DXers. The DXE-RBS-1P has two 75 Ω antenna ports that use type F connectors. This allows the use of DX Engineering DXE-F6-CTL/1000 high quality, low loss F-6 flooded coaxial cable as the feedline. -
Page 4: Typical Reverse Beverage System Layout - Figure
Figure 1 depicts a typical DXE-RBS-1P system layout. A DX Engineering DXE-FVC-1 is used to provide the switching voltage on the feedline required for the DXE-RBS- 1P system to reverse directions. Figure 1 - Typical Reverse Beverage System Layout - 4 -... -
Page 5: Additional Parts Required
Connectors installed and in any desired custom length from DX Engineering. Preparing flooded F-6 cable for connectors not difficult with the correct tools. DX Engineering offers an inexpensive stripping tool, part number DXE-CPT-659, that strips the F-6 coaxial cable in one operation and the tool includes an extra cutting cartridge. -
Page 6: Antenna Wire
The source should be current limited or fused for no more than 1 amp. The DX Engineering DXE-PSW- 12D1A AC Adapter, 12Vdc 1000 mA Wall Transformer may be used, with the appropriate fusing and polarity reversal handled before connection to a bias tee. -
Page 7: Proximity To Transmitting Antennas
This system features small air gaps and wide foil trace areas, as well as entrance gaps at all terminal feed-throughs. The gaps act as safe, short paths for lightning. The DXE-RBS-1P is normally immune to nearby lightning, although a direct strike might cause significant damage. -
Page 8: Antenna
600 feet (182.9 meters) Better Good Good Good to Marginal 720 feet (219.4 meters) Best Good Good Marginal Table 1 - Antenna Performance Chart The DXE-RBS-1P is forgiving in many installation parameters. Nevertheless, attention to detail will yield better performance. - 8 -... -
Page 9: Feedline
50 to 75 ohms unbalanced is acceptable. We recommend using a high quality 75 Ω “flooded” RG-6 type coax such as DX Engineering part number DXE-F6-SPL. Bury this feedline a few inches deep for 10 feet or more approaching the DXE-BS-1FP. Grounding the feedline shield to a separate ground rod near the feedpoint may also be done, but is not necessary. -
Page 10: Connections
Beverage because of the limited tension you can apply to the wire, mainly due to the size of the window in the line. The ladder line need not be perfectly parallel to the ground along its length, and a half twist every 20 to 30 feet in the line will help maintain balance in the antenna. Figure 4 - 450 Ω... -
Page 11: Feedline
TOWARD port to the AWAY port and connecting the feedline to the TOWARD port. Now the DXE-RBS-1P is sensitive to signals coming from the feed point end or TOWARD direction with no reversing voltage applied. An internal jumper must also be changed to allow the reversing voltage to be sent through the TOWARD port. -
Page 12: Operation And Configuration
The source should be current limited or fused for no more than 1 amp such as the DX Engineering DXE-PSW-12D1A AC Adapter, 12Vdc 1000 mA Wall Transformer. - Page 13 The jumper determines which port is used for directional control and should coincide with the port used for the feedline. The DXE-RBS-1P requires a nominal –12 Vdc or AC at the feed point unit to reverse direction. The sensitivity may also be marginal, see above.
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Page 14: Additional Applications
Additional Applications Use two DXE-RBS-1P Reversible Beverage Systems, along with a DX Engineering DXE-RLS-2, 2-port receiving antenna switch, to build a four direction Beverage system using a single feedline. See Figure 7. One or more DXE-RLS-2’s can be used to expand larger Beverage arrays and share the feedline back to the operating position. -
Page 15: Directional Beverage Layout
Directional Beverage Layout 1. Single feed line from each DXE-RBS-1 to the DXE-RLS-2 and from the DXE-RLS-2 to the receiver. The jumper in the DXE-RLS-2 must be reset for voltage pass through. 2. Uses voltage on the feedline to switch the DXE-RLS-2 and the DXE-RBS-1's. 3. -
Page 16: Optional Items
Sold by the foot without connectors, specify length when ordering. Also available in a 1000 ft. Spool. Custom assemblies with connectors are also available - call DX Engineering for details. Center Conductor: 18 AWG Copper-Clad Steel, Nominal Diameter: 0.040 in., Dielectric: Gas Expanded Polyethylene, Nominal Diameter Over Dielectric: 0.180 in. - Page 17 DXE-RTV598335 - Permatex Black RTV Sealant, Non-Acetic - 3.3 oz Tube, Black DX Engineering Approved RTV Sealant - By Permatex. We have all used RTV to seal water out of things, right? Have you ever sealed a piece of electronic gear with it -- then opened it some time later to find that it had still managed to become corroded inside? Guess what? It's not the rain that corroded it - It's the RTV! Normal RTV gives off acetic acid when it cures.
- Page 18 The DX Engineering RFCC-1 receive feedline common-mode choke is the most effective solution to common-mode noise or unwanted signal ingress available to date. The DX Engineering RFCC-1 provides thousands of ohms isolation between the input and output coaxial shield connections while passing desired signals, including dc or low frequency ac control signals.
- Page 19 We suggest unplugging the CC-8 control leads when severe weather is expected. The use of a lightning protector on the control lines, such as the PolyPhaser PPC-IS-RCT, available from DX Engineering, is prudent as well.
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Page 20: Technical Support And Warranty
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;...
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