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Modular Receive Antenna

Interface

for Transceivers

DXE-RTR-2

U.S. Patent 8,175,546

DXE-RTR-2-INS Revision 0c

1200 Southeast Ave. - Tallmadge, OH 44278 USA

Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200

Fax: (330) 572-3279 ∙ E-mail:

[email protected]

Summary of Contents for DXE-RTR-2

Page 1: ...eivers DXE RTR 2 U S Patent 8 175 546 DXE RTR 2 INS Revision 0c DX Engineering 2017 1200 Southeast Ave Tallmadge OH 44278 USA Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330 572...

Page 2: ...s 10 More On RADIO PTT RX ENABLE Failsafe Feature 11 KEYING LINE CONNECTION WARNING 13 Internal Jumpers 14 Bias Tee Enable 15 Force Ground 15 Bias Tee Always On 16 Removing Bypass Plug in Boards 17 In...

Page 3: ...ed transmit and receive antennas This unit protects and safely connects any transceiver to any antenna that can be used for receiving including Beverage Pennant Flag a passive loop or a sophisticated...

Page 4: ...na switching flexibility even for transceivers with receive ports Connects transmit antenna to second receiver MAIN ANT OUT when transceiver is listening to receive antenna Handles up to 200 watts CW...

Page 5: ...eceive antenna equipment The DXE RTR 2 allows instantaneous receive comparisons between the receive antenna and the transmit antenna with a convenient three position front panel switch Multi color Sta...

Page 6: ...moving Bypass Plug in Boards and the section on Installing Optional Modules Internal Relay Connections and Functions The RTR 2 high speed relay toggles the MAIN ANT IN and RADIO connectors simultaneou...

Page 7: ...In Figure B the RTR 2 is in RX ANT receive mode the mode LED turns to BLUE and the RADIO is connected to the optional modules and RX ANT IN receive signal This receive enabled condition depends upon a...

Page 8: ...r conductor The keying line is removed from the RADIO PTT RX ENABLE connector The POWER is turned Off The MAIN ANT transmit mode cannot occur when the Exception condition exists Exception The RTR 2 fa...

Page 9: ...dicates you are in the MAIN ANT transmit mode This LED extinguishes when the keying cable is not connected or when the unit is turned off MAIN ANT RX ANT MAIN ANT Three position toggle switch provides...

Page 10: ...or sharing purposes only Disconnected during transmit or when unit is switched to MAIN ANT This port is never connected to options This port is active only in the RX ANT receive mode when POWER is ON...

Page 11: ...ANT IN Figure B on page 7 we have to be absolutely certain that the transceiver keying signal which automatically switches the RADIO back to the MAIN ANT is always there OR ELSE That transceiver ampl...

Page 12: ...with the RTR 2 With this special cable wiring for Kenwood transceivers Ground On Transmit and RX ENABLE are functional for the RTR 2 NCC 2 and RTR 1 units Note The DXE KWD RTR cable does not provide...

Page 13: ...se the RADIO PTT and ACC PTT keying line connectors These connections are NOT interchangeable When the RTR 2 RADIO connector is used to carry transmitted RF if these keying connectors are accidently r...

Page 14: ...small plugs that fit over and connect two of the pins on the associated header that is soldered to the printed circuit board The jumper is removed by pulling straight out and installed by aligning wit...

Page 15: ...Ground On the rear internal PCB between the Option 2 and Option 3 By Pass Plug In boards there is one jumper called Force Ground This jumper is normally left open factory default NOTE If this jumper i...

Page 16: ...o disable RTR 2 failsafe and when unit is in RX ANT mode any RF transmitted into the RADIO connector will cause internal damage especially to optional Plug In Modules and may damage externally connect...

Page 17: ...e three Bypass Plug In boards installed as shown below To remove the Bypass Plug In board use a small diameter Phillips Screw Driver Put the screw driver through the hole on the corner of the board to...

Page 18: ...are not installed the jumper boards labeled as Bypass Plug In must be in place as shown below Option 1 The Top position is where the 50 75 ohm Transformer Module DXE IT PM is installed Option 2 The Mi...

Page 19: ...line loss over long distances as well Depending on your installation you may need to use an external voltage inserter Bias Tee to provide different feedline voltage Connect a receiving antenna to the...

Page 20: ...se and strong stations by virtue of its design size directivity and lower sensitivity Therefore placement of a receiving antenna is very important Normally excellent results are achieved by placing a...

Page 21: ...protect the front end with automatic disconnection of the receive input preserving QSK full break in CW use partial break in CW operation when using Bias Tee powered active receive antennas with 4 ms...

Page 22: ...such as power and grounding are not shown for clarity Always consult your radio s manual for additional connection information Additionally the RTR s may have optional plug in modules as needed for 5...

Page 23: ...2 Active Receive to a transceiver equipped with RX Inputs and Output ports Allows use of an active or passive receive antenna with added receive signal strength using the DXE RPA 2 PM Preamplifier Plu...

Page 24: ...24 Diagram 3 Active Receive Antenna and Transmit Antenna using High Power Allows use of an active or passive receive antenna with the optional RTR 2 preamplifier for increased receive signal strength...

Page 25: ...eivers the DX Engineering Receive Preamplifier model DXE RPA 2 may be used externally for improving older receiver sensitivity of the transmit antenna especially on higher frequencies When the pre amp...

Page 26: ...s front end An external relay may be required to mute the second receiver supported on the RTR 2 ACC PTT Manually switching the toggle switch to the MAIN ANT up position connects the MAIN ANT to the...

Page 27: ...27 Diagram 4 Connections of Active Antenna Phasing System to Standard Transceiver using the DXE RTR 2...

Page 28: ...28 Diagram 5 Adding the DXE RPA 2 PM Receive Preamplifier Plug in Module to the RTR 2 provides exceptional receive improvement for older transceivers and receivers...

Page 29: ...29 Diagram 6 Connections for a standard transceiver to a Reversible Beverage System DXE RSBA 1P See the full description in the DXE RBSA 1P manual available at DXEngineering com...

Page 30: ...30 Diagram 7 Connections for a standard transceiver to the Receive Four Square Complete Array Package DXE RFS SYS 4P For details refer to the DXE RFS SYS 4P manual available at DXEngineering com...

Page 31: ...ely switch a transmit antenna between a transmitter and a receiver An external Receive Preamplifier can improve aged receiver performance Due to keying from older radio equipment an external relay may...

Page 32: ...antenna between two radios for simultaneous reception and safe transmit switching Supports the addition of an SDR spectrum display to a standard transceiver External mute relay may be required Externa...

Page 33: ...it The main RADIO in this example is shown as a Kenwood transceiver making use of the special Kenwood Keying Cable DXE KWD RTR See section More On RADIO PTT RX Enable Supports the addition of an SDR s...

Page 34: ...ug In Module DXE RG5000HD PM These highly effective and inexpensive receive RF limiters prevent front end damage due to high RF levels that can result in costly radio repairs Frequency Range 0 5 throu...

Page 35: ...35 User Diagram Use this to page to document your connections for future reference...

Page 36: ...d to any products or parts thereof which have been subjected to any misuse or neglect damaged by accident rendered defective by reason of improper installation damaged from severe weather including fl...

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