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XIEGU    COMMUNICATIONS 

 

 

 

 

Important reminder: 

 

Before  operating  the  equipment  please 

study  this  instruction  manual  carefully,  and 

retain it for future reference. 

Safety  considerations: 

 

 

Features: 

 

RF power amplifier with inbuilt antenna 

tuner (ATU). 

Maximum RF output power of  

 

125 Watts. 

 

Auto tuning function. 

 

Wide frequency range of 0.5  – 50 MHz. 

Harmonic suppression of 39 dB 

 

Maximum  output  power  can  be 

automatically  regulated  via  the  ALC 

control  when  used  with  an  X108G  or  

X5105 transceiver 

 

 

 

 
 
 
 
 

 
 
 
 

 

Do  not  use  equipment  during  an electrical 

 

      

 storm.

 

 
 
 

 

 
Do not expose the unit to moisture.

 

 
 
 

 
 
 
 

 
  Use this device responsibly and observe all  
  local laws and regulations.

 

 

 

 
 
 

 

Caution!  High RF voltage at antenna 
connector!

 

 

 
 

Packing list: 

① 

XPA125.. .. .. .. .. .. .. .. .... .. .. ..1 

 

② 

Power supply cable ................ 1 

③ 

Date cable .............................. 1 

④ 

Communication cable ............. 1 

⑤ 

Service card ............................. 1 

② 

③ 

⑤ 

④ 

Summary of Contents for XPA125

Page 1: ...XIEGU 100 W Solid State Linear Power Amplifier XPA125 Instruction Manual Copyright 2010 2017 Xiegu Communications...

Page 2: ...function Wide frequencyrangeof0 5 50 MHz Harmonic suppression of 39 dB Maximum output power can be automatically regulated via the ALC control when used with an X108G or X5105 transceiver Do not use...

Page 3: ...operating ambient temperature 55 Gain 13dB 2dB Supply voltage 12 14 5 V DC Current draw maximum output Standby 260 mA Transmit 30A 1 2 ATU Tuning frequency range 1 8 30 MHz 50 54 MHz Maximum tuning ra...

Page 4: ...for 2 seconds XPA125 will turn on ATU function key Via this button you can access the automatic antenna tuning function BAND selection key Using this button you can select between manual band switchin...

Page 5: ...otective plate 2 2 Rear panel layout 6 DC IN Power supply socket The XPA125 requires a 12 14 5 V DC supply 7 ANT Connector The ANT socket is connected to the antenna the connector model is SL16 K 8 FU...

Page 6: ...rface is for XPA125 firmware updates and connection to a PC 13 Handle 2 3 Display interface layout Input SWR value Displays the SWR value of the XPA125 input Operating voltage Displays the value of DC...

Page 7: ...ower input value to the XPA125 in Watts Current working band status Displays the current working band and whether automatic or manual mode is selected 9 Output power value Displays the output power be...

Page 8: ...cted to either socket Use suitable RF coaxial cable to connect the X108G ANT port to the XPA125 TRX port XPA125ANTportshould beconnected to theantenna 3 1 2 Method for connecting XPA125 with X5105 Use...

Page 9: ...d control voltage information is as follows BAND LEVEL mV BAND LEVEL mV BAND LEVEL mV 1 8 MHz 230 14 0 MHz 1380 50 0 MHz 2530 3 8 MHz 460 18 0 MHz 1610 5 0 MHz 690 21 0 MHz 1840 7 0 MHz 920 24 0 MHz 2...

Page 10: ...band Manual switching of frequency bands follows this order 160m 80m 60m 40m 30m 20m 17m 15m 12m 10m 6m 3 2 3 Using the automatic antenna tuner unit ATU PA unit is set to BYPS state Pressthe ATU butt...

Page 11: ...ndependently of each other You can therefore use the XPA125 as either an automatic antenna tuner or a separate power amplifier You can also bypass both units and your transceiver will then be connecte...

Page 12: ...ction function beyond a certain threshold The threshold of each sensor is as follows High SWR 3 0 High current 30A High voltage 15V DC Over temperature 100 Warning When the XPA125 current draw is too...

Page 13: ...r supply current Replace the power supply SWR is too high protection has been triggered Start ATU replace antenna coax Incorrect working mode Select the correct working mode Power amplifier unit not e...

Page 14: ...or the shipping both ways After two weeks XieGu will pay only for return shipping If the product is not covered under warranty the customer pays for shipping both ways plus the cost of the repair 2 Wa...

Page 15: ...ions are covered by the warranty A Damage caused by improper use by the user B Damage caused by an accident C Damage due to incorrect testing maintenance debugging or other changes D Damage is not cau...

Page 16: ...XIEGU COMMUNICATIONS 16 XIEGU COMMUNICATIONS www cqxiegu com...

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