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XIEGU XPA125B Instruction Manual
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XIEGU XPA125B Instruction Manual

100 w solid-state linear power amplifier; hf+6m linear amplifier
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XIEGU
100 W Solid-State Linear Power Amplifier
XPA125B
Instruction Manual
This device complies with Part 15 of the FCC Rules.Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operation.
FCC ID: 2ANLH-XPA125B
Copyright © 2010~2017 Xiegu Communications

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Summary of Contents for XIEGU XPA125B

  • Page 1 This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC ID: 2ANLH-XPA125B Copyright © 2010~2017 Xiegu Communications...

  • Page 3: Product Specifications

    XIEGU COMMUNICATIONS 1 XPA125B Specifications 1.1 Amplifier: Frequency range: 1.0 – 55 MHz Maximum output power: 1.8 - 30MHz ≥110W 50 - 54MHz ≥90W Maximum operating ambient temperature: 55℃ Gain: 13dB ( 2dB) ± Supply voltage: 12 - 14.5 V DC...

  • Page 4: Equipment Description

    2 Equipment description 2.1 Front panel layout: ① Power key When XPA125B is turned on, press this button and hold for 2 seconds, XPA125B will shut down. When XPA125B is turned off, press this button and hold for 2 seconds, XPA125B will turn on.
  • Page 5 All working status information is displayed here. The display is covered by an organic glass protective plate. 2.2 Rear panel layout: Power supply socket: DC IN The XPA125B requires a 12 - 14.5 V DC supply Connector: The ANT socket is connected to the antenna, the connector model is SL16-K. Holder: FUSE Internal fuse holder.
  • Page 6 The TRX interface is connected to the transceiver output, the connector model is SL16-K. interface: Comm This interface is for XPA125B firmware updates and connection to a PC. 2.3 Display interface layout: ⑴ Input SWR value: Displays the SWR value of the XPA125B input.
  • Page 7 Automatic antenna tuner unit (ATU) status: (10) Displays the status of the automatic antenna tuner. Indicates that the XPA125B is not connected to the automatic antenna tuner unit. Indicates that the XPA125B is connected to the automatic antenna tuner unit.
  • Page 8 3.1 Wiring connection method 3.1.1 Method for connecting XPA125B with X108G The XPA125B can be directly connected to an X108G, which can then control the band switching and ALC functions of the amplifier. The ACC data cable supplied with the XPA125B is connected between the ACC ports of the two units.
  • Page 9 XIEGU COMMUNICATIONS 3.1.4 Connection method between XPA125B and other QRP radio If you want to start the XPA125B power amplifier and put it into the transmit mode, you need to set the PTT port to a low level [level≤0.1V]. If the PTT output signal of the transceiver is at high level, the high level needs to be converted into a low level, and then input to the XPA125B [ACC-PTT] port.
  • Page 10 Warning: 1. Do not allow the maximum output power of the amplifier to exceed 120 W. 2. Using the XPA125B at high power levels for extended periods can lead to overheating and potential damage to the PA stage. 3.2.2 Band switching Youcanswitchbetweenthetwomodesof[AUTO-MANUAL] via this key.
  • Page 11 3.2.5 Flexible configuration of PA unit and ATU unit The ATU unit and PA unit of XPA125B can be used independently of each other. You can therefore use the XPA125B as either an automatic antenna tuner or a separate power amplifier.
  • Page 12 Over temperature：≥100℃ Warning When the XPA125B current d r a w is too high (more than 30A), o r a short circuit occurs, the fuse on the rear panel may blow. The unit will then no longer turn on. Please check the status of the fuse if this occurs.

  • Page 13: General Troubleshooting

    Connect power cable correctly The fuse on the back of the machine Replace fuse（30A） blown Unable to turn on your XPA125B Power cable connection is bad Replace or repair power cord Power supply connection reversed Return to distributor Other circumstances...

  • Page 14: Warranty Limitations

    If the product needs warranty repair within two weeks of receiving the product, XieGu will pay for 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.
  • Page 15 XIEGU COMMUNICATIONS the radio is under warranty; F.Product was not bought from XieGu or authorized distributor of XieGu. *None of the following conditions, are covered by the warranty: A. Damage caused by improper use by the user； B. Damage caused by an accident；...
  • Page 16 XIEGU COMMUNICATIONS XIEGU COMMUNICATIONS www.cqxiegu.com...