XIEGU XPA125B Instruction Manual

XIEGU

100 W Solid-State Linear Power Amplifier

XPA125B

Instruction Manual

Copyright © 2010~2017 Xiegu Communications

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

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
Current draw @ maximum output:

Standby: 260 mA

@Max

Transmit: 30A

@Max

1.2 ATU:

Tuning frequency range: 1.8 – 30 MHz/50 – 54 MHz
Maximum tuning range: 14 - 500Ω

1.3 Product specifications：

Dimensions: 260 x 150 x 100 mm (not including control knobs, feet, handles, etc.)

Weight：2.66 Kg(host only)

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XIEGU COMMUNICATIONS

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.

② ATU

function key

Via this button you can access the automatic antenna tuning function.

③ BAND

selection key
Using this button you can select between manual band switching or
automatic band switching.
In manual band switching mode, the XPA125B will change bands in the
following order:

160m→80m→60m→40m→30m→20m→17m→15m→12m→10m→6m

④ PA

key

Used to switch the power amplifier into or out of circuit.

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XIEGU COMMUNICATIONS

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 XPA125B 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

FUSE

Holder:

Internal fuse holder. Fuse rating is DC 30A.

9

10

Ground

ACC

socket:

The data interface connections are as follows:

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