XIEGU XPA125 Instruction Manual

Manual is about: 100 W Solid-State Linear Power Amplifier

Summary of XPA125

  • Page 1

    Xiegu 100 w solid-state linear power amplifier xpa125 instruction manual copyright © 2010~2017 xiegu communications.

  • Page 2: Safety  Considerations:

    Xiegu communications 2 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 ...

  • Page 3: 1  Xpa125 Specifications

    Xiegu communications 3 1 xpa125 specifications 1.1 amplifier: frequency range: 0.5 – 54 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 current draw @ maximum output: standby: 260 ma transmit: 30a...

  • Page 4

    Xiegu communications 4 2 equipment description 2.1 front panel layout: ① power key when xpa125 is turned on, press this button and hold for 2 seconds, xpa125 will shut down. When xpa125 is turned off, press this button and hold for 2 seconds, xpa125 will turn on. ② atu function key via this button y...

  • Page 5

    Xiegu communications 5 ⑤ lcd all working status information is displayed here. The display is covered by an organic glass protective 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,...

  • Page 6

    Xiegu communications 6 pin1:nc pin4: alc input pin2:ptt signal input pin5: nc pin3:band voltage input pin6: gnd ○ 11 trx socket: the trx interface is connected to the transceiver output, the connector model is sl16-k. ○ 12 civ interface: this interface is for xpa125 firmware updates and connection t...

  • Page 7

    Xiegu communications 7 ⑹ power amplifier status: displays the overall status of the power amplifier as a whole. Indicates that bypass mode is selected, the power amplifier is switched out of circuit. Indicates that the power amplifier is operational. Rx indicates that the unit is in receive mode. Tx...

  • Page 8

    Xiegu communications 8 3. Operating instructions 3.1 wiring connection method 3.1.1 method for connecting xpa125 with x108g the xpa125 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 xpa125 is...

  • Page 9

    Xiegu communications 9 3.1.4 connection method between xpa125 and other qrp radio if you want to start the xpa125 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 ...

  • Page 10

    Xiegu communications 10 warning: 1. Do not allow the maximum output power of the amplifier to exceed 120 w. 2. Using the xpa125 at high power levels for extended periods can lead to overheating and potential damage to the pa stage. 3.2.2 band switching - you can switch between the two modes of [auto...

  • Page 11

    Xiegu communications 11 3.2.4 combined use of power amplifier + automatic antenna tuner - press the [pa] button so the current state of the pa unit displays [inuse]. - press the [atu] button so the current state of the atu unit displays [inuse]. - set the transceiver mode to cw, the output power to ...

  • Page 12

    Xiegu communications 12 when high swr, high current, high voltage, over temperature and other error states are detected, the xpa125’s internal sensors will trigger the protection function beyond a certain threshold. The threshold of each sensor is as follows: - high swr:≥3.0 - high current:≥30a - hi...

  • Page 13: 4. General Troubleshooting

    Xiegu communications 13 fault description possible reasons solution unable to turn on your xpa125 power cord is not connected connect power cable correctly the fuse on the back of the machine has blown replace fuse(30a) power cable connection is bad replace or repair power cord power supply connecti...

  • Page 14: After-Sales Service Policy

    Xiegu communications 14 after-sales service policy 1. Warranty: this product has a one-year warranty effective from the date of purchase. This warranty covers only manufacturing- and parts defects. It does not cover damage caused by lightning, excess voltage on the power supply, accidental damage or...

  • Page 15

    Xiegu communications 15 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; c. Damage due to incorrect test...

  • Page 16

    Xiegu communications 16 xiegu communications www.Cqxiegu.Com.