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Summary of Contents for DX Engineering RF-PRO-1B
- Page 1 ® RF-PRO-1B Active Magnetic Loop Antenna DXE-RF-PRO-1B DXE-RF-PRO-1B-INS Revision 0c © DX Engineering 2017 1200 Southeast Ave. - Tallmadge, OH 44278 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: Antenna Design
75 ohm cable (RG-6 is recommended and is available from DX Engineering). For best results the antenna should be positioned a minimum of 15 feet away from any buildings or other sources of interference. The loop antenna may be rotated to... - Page 3 ® strong stations and their harmonics. The RF-PRO-1B Loop (DXE-RF-PRO-1B) has been specifically designed to reduce intermodulation products to a minimum. The third order intercept point is typically +48 dBm (OIP3) and the second order intercept point is greater than +100 dBm (OIP2 typically 110 dBm).
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Page 4: General Information
For best results the coaxial cable run from the indoor power inserter to the external preamplifier should be shielded RG-6 cable with male F connectors on each end. RG-6 cable is available from DX Engineering along with high-quality compression fit water-proof F-connectors that have internal O-rings to keep moisture out. - Page 5 DX Engineering cannot be responsible for any damage that may result. Therefore, included in the loop’s power inserter is a relay “KEY” jack that can be actuated by the amplifier keying output of a typical transceiver.
- Page 6 The relay’s actuation circuit is designed to operate with a typical transceiver’s “KEY” signal. The power inserter has internal DIP switches that can be programmed to harmonize relay actuation with the proper state of the transceiver’s KEY signal. The default setting is such that when the KEY output is “low” (less than 0.7 VDC) the relay turns on and disconnects the preamplifier’s power and the connection to your receiver is grounded through a resistor.
- Page 7 TV antennas (A light duty rotator is available from DX Engineering). Hint: When installing the one foot jumper with F connectors (or any cables with F connectors), the optional DXE-CIT-1 F Connector Tightening Tool is handy to have in your tool box.
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Page 8: Overall Diagram
Overall Diagram This diagram shows the overall wiring scheme. Once familiar with this set up, assembling the antenna and making the actual cable connections is easy. Be extremely careful to avoid inadvertently connecting the 20 VDC antenna output of the power inserter to the antenna input on your receiver. - Page 9 Mounting the Preamplifier to the Loop Antenna L-Bracket The preamplifier is mounted to the L-bracket that is attached to the loop antenna using the included saddle clamp and mounting hardware which also connects the antenna to a short 1-1/4” diameter customer supplied mast (that would then normally go into the rotator).
- Page 10 The wall mount transformer provides 24 VAC for the power supply. A PL-259 to type F Connector adapter is provided for the radios that may require it. ® RF-PRO-1B Specifications Frequency response: 100 kHz to 30 MHz (Nominal Gain: 27 dB ±3 dB) ...
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Page 11: Manual Updates
Every effort is made to supply the latest manual revision with each product. Occasionally a manual will be updated between the time your DX Engineering product is shipped and when you receive it. Please check the DX Engineering web site (www.dxengineering.com) for the latest revision manual. -
Page 12: 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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