DX Engineering DXE-AAPS3-1P Manual Download Page 1

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Active Antenna Phasing

System

For Amateur, SWL, Broadcast AM DX

DXE-AAPS3-1P

DXE-AAPS3-1P-INS-Revision 0a

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: [email protected]

Summary of Contents for DXE-AAPS3-1P

Page 1: ...ateur SWL Broadcast AM DX DXE AAPS3 1P DXE AAPS3 1P INS Revision 0a DX Engineering 2012 P O Box 1491 Akron OH 44309 1491 Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330 572 3279...

Page 2: ...d Noise 7 Understanding Noise 7 Basic Tools Required 8 Active Vertical Antenna Installation 8 Location 8 Assembly 9 Ground Mounting Rod 11 Providing a Good RF Ground 12 Connections 13 Coaxial Cable Fe...

Page 3: ...e bandwidth with superior strong signal performance The output Third Order Intercept TOI is approximately 30 dBm This is significantly better than most aftermarket preamplifiers and receivers making i...

Page 4: ...ore it gets to your receiver Better and more stable nulling than any other noise canceller or phasing unit on the market Peak weak signals hidden under a strong signal on the same frequency Null out l...

Page 5: ...NS6 25 connectors cannot be installed with normal crimping tools or pliers An installation tool such as the DXE SNS CT1 is essential for proper connector installation UMI 82180 DX Engineering Approved...

Page 6: ...lines apply when enhancing signals The most reliable and consistent phasing performance occurs with receive antenna spacing less than 1 4 wavelength when receive antennas are in line with the desired...

Page 7: ...can be effective with all types of interference and all modes Signals can be peaked instead of nulled with a flip of a switch Note Failure to follow guidelines outlined in sections below will often r...

Page 8: ...nd a 5 8 wrench 2 Phillips Head Screw Driver Active Vertical Antenna Installation Location The best place to install your active antennas is where you have the recommended space Refer to pages 20 22 f...

Page 9: ...ss element block to the mounting plate Make sure the threaded hole in the element block for the antenna element is facing upward Use a flat washer under each bolt head and a flat and split washer comb...

Page 10: ...fer to Figure 4 and install one of the two wires both are the same length from the brass block to the AVA 2 antenna ANT connection use the wing nut and hand tighten only The wire is held in place on t...

Page 11: ...nd rod top is not higher than the DXE ARAV3 black insulated panel This prevents unwanted interference with the active element Tighten the two V Clamps to hold the DXE ARAV3 in place Attach the V Clamp...

Page 12: ...e a DXE RFCC 1 Feedline Current Choke that will further decouple the feedline from the antenna and reduce common mode current and associated noise from the feedline If you want to locate your ground m...

Page 13: ...atically sealing small accidental cuts or lacerations of the jacket Flooded cable also prevents shield contamination and has a gummy liquid inside that seals cuts or nicks displaces water and can be d...

Page 14: ...peak near the frequencies listed in Figure 7 The frequency response above the peak frequency does not change significantly Below the peak frequency sensitivity reduction is reasonably fast Installing...

Page 15: ...in the center of the range and gain is reduced as the knob is rotated away from a particular channel If you rotate the BALANCE control clockwise the gain of INPUT A is reduced Without precise signal...

Page 16: ...d be connected to a well filtered and regulated 12 to 15 Vdc 2 A power source While station power is highly recommended a well regulated low noise external wall transformer can be used A 2 1 mm plug c...

Page 17: ...ting options With the unit unplugged and no power connected remove 6 screws on each side of the metal cover and lift it off To configure the jumpers turn the NCC 1 so the components match the orientat...

Page 18: ...main circuit board near the power jacks and the two large power transistors that are bolted to the main circuit board When the jumper on HD4 is positioned on the middle and EXT pins antenna power come...

Page 19: ...W This is normal station wiring Many modern transceivers have a rear panel amplifier control jack typically labeled as TX AMP Send Control or TX GND that pulls low when the transceiver is keyed Check...

Page 20: ...iagrams are shown for the DXE AAPS 1P Active Receive Vertical Antenna Phasing System The DXE ARAV3 receive antennas must be at least 1 10 wavelength away from any transmit antenna and preferably more...

Page 21: ...21 Typical HF Set Up...

Page 22: ...22 Typical HF System Set Up with an HF Amplifier and using the DXE TVSU 1A...

Page 23: ...23 Typical SWL or Broadcast AM DX System Set Up...

Page 24: ...ise rotate the PHASE control until the noise or interference is at the lowest level If a null cannot be found change the PHASE NORM REV switch to the REV position The null might be shallow until level...

Page 25: ...clockwise phase shift in INPUT A increases while phase shift in INPUT B decreases The PHASE NORM REV switch inserts zero REV or 180 degree NORM phase inversion in INPUT B This switch has the effect of...

Page 26: ...UV resistant plastic and O rings provide a reliable environmentally sealed connector An installation tool such as the DXE SNS CT1 is required to install the connectors Normal crimping tools or pliers...

Page 27: ...es to fit steel tubing or pipe ranging from 1 2 to 3 OD for use in antenna construction The DXE SSVC 150P uses a V Bolt and will attach to a mast ranging in size from 1 OD to 1 1 2 OD The V Saddles is...

Page 28: ...al before you call 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 Engineerin...

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