XIEGU G90 User manual

 SDR portable HF Transceiver
V1.00.0 (Temporary)
Copyright © 2010~2018, Xiegu Communications
G90
Operation Manual
XIEGU

XIEGU COMMUNICATIONS
第 2 页
Important reminder:
Before operating the equipment please
study this instruction manual carefully, and
retain it for future reference.
。
Characteristics
 SDR portable HF Transceiver
 built-in auto antenna tuner
 Spectrum image and Waterfall image display
 The display unit and the case can be
separated.
 High-performance front-end ESC preselector.
Packing List
Qty
① G90 case.............................1
② Power cable..........................1
③ Data cable...........................1
④ Comm cable...........................1
⑤ Service card.........................1
⑥ Certificate..........................1

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一、 parameter
1.1 basic parameter
Receive frequency range： 0.5MHz～29.999999MHz
Transmit frequency range： 1.8～2.0MHz
3.5～4.0MHz
7.0～7.3MHz
10.1～10.15MHz
14.0～14.35MHz
18.068～18.168MHz
21.0～21.45MHz
24.89～24.99MHz
28.0～29.7MHz
Operating mode： SSB/CW/AM
Receive sensitivity：0.25uV @12dB Sinad (PRE:ON)
Adjacent channel suppression：60dB
Select： SSB 2.4kHz
CW 300Hz
Dynamic Range：90dB
Frequency stability：±2ppm （after power on 30 min）
Operating voltage range：11～16V DC
Standby current： 750mA @ Max
Transmitting voltage:：8A @ Max
RF output: 20W
Carrier suppression： ≥40dB
Spurious suppression： ≥50dB
Sideband suppression： ≥55dB
Audio output power： 0.5W@ 4Ω
Temperature range： 0℃～55℃
Case size： 120*45*210 mm （non include protrusions; display system and body combination
status）
Case quality： about 1.85kg
1.2 ATU parameter
Initial tuning time： ≤10s
Reentry tuning time： ≤50ms
Tuned impedance range： 15Ω～250Ω

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二、设备说明
2.1 前面板说明
① Volume/headphone knob
② Power
Press and hold this button for 2 seconds to power on.
Press and hold this button for 2 seconds to power off.
③ Automatic knob
Default: 100kHz position step knob
Short press: custom function
④ Large knob
Frequency stepping, setting parameter.
⑤ Mode switch button
⑥ Band switching button
①
②
③
④
⑤⑥
Device Description
Front panel

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2.2 Tail interface description
○
7 ANT
Antenna interface，Type : SL16-K。
○
8 KEY
CW key socket。
○
9 COMM
Communication port
○
10 I/Q
Signal output
○
11 ACC
Data connection port
○
12 DC interface
External DC power interface
⑬ Ground
⑦
⑧ ⑨ ⑩11
12
13

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Interface description：
1、 MIC interface
2、 COMM port
3、 headset
Note: 信号(signal)
4、ACC
5、CW key welding diagram
Note: 滴（di）嗒（da）公共（common）
MIC
MDATA
GND
MIC
MICE PTT
MSVSW
NC
+8V
TXD
RXD GND
信号
信号 GND
PTTBAND
AF_IN
AF_OUT
ALC
DATA
+8V
GND

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Mic description
1、LOCK button
2、PTT button
3、up/down
4、Transmission display LED
5、number key
6、FIL
7、MODE
8、function pilot lamp
9、function Key
10、MW
11、V/M
12、XFC
13、TUNER
Locking button
Transmitting ctrl button
Frequency “+” or “-“
MIC operate pilot lamp
FIL selection
Operation mode selection
No
F1/F2 Custom settings
Memory operate
frequency/channe switch
Temporarily no function
Keep press the tuner to start up the auto
tuner for tuning.

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2.3 Display interface description
1、 Current operating mode
2、 Current VFO select
3、 S table / Power table
4、 Frequency image
5、 Waterfall image
6、 AGC state
7、 Current external put in voltage value
8、 Volume
9、 Current operating frequency
10、 Other VFO frequency
11、 Transmitting standing wave

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三、Operating description
3.1 Power on/off
Power On：Power off state, keep press power switch 2 sec.
Power off：Power on state, keep press power switch 2 sec.
3.2 Volume adjustment
Left/right turn the volume knob, increase or decrease the volume.
3.3 headset mode switching
In using the built in speaker state, short press the volume knob to switching to headset mode, at the
same time it has a icon to display in the screen.
3.4 Frequency step carry select
 1kHz bit、10kHz bit：short press main knob, switching carry.
 100kHz bit： turning the definition knob to change the current frequency.
3.5 Switching operation mode
Short press the MODE “+” / MODE “-“ button on the machine head-top, it will cycle switching
mode between USB—LSB—CW—AM.
3.6 Switching current operation mode
Short press the BAND “+” / BAND “-“ button, it will cycle switching band between 10 amateur bands
3.7 multifunction operation
Press the FUNC button, the function pilot will lit, this time we can enter the second function.
3.8 PRE/ATT function
Short press PRE button, start up preamplifier.
Press hold PRE to turn on the ATT pre-attenuator.
3.9 CMP button function.
Short press CMP button，turn on voice compressor.
3.10 NB function
Short press NB button, open NB function.
Short press again, turn off NB function.
3.11 AGC function
Short press AGC button, turn on AGC function.
3.12 VM function
Short press VM button, switching between VFO mode and channel mode.
3.13 MW/MC function
Short press MW/MC button, storing channel
3.14 A/B function
Short press A/B button , switching between the VFO-A and VFO- B.
3.15 TUNE function
Short press TUNE button, turn on built in auto Antenna tuner.
Press hold, start tuning.

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3.16 POW function
Short pow button, cooperating self- defining knob, adjusting transmitting power.
3.17 KEY function
Short press KEY button, enter the function settings relate to the cw.
3.18 LOCK function
Short press LOCK button，locking button.
四、The machine head and case separation operation instructions.
In power off state, connecting the machine head and case with the cable, then operating the interface of
machine head.
Note: In the power-on state, after the machine head is disconnected from the cable, the host will continue
to work in the previous working state.
After the host connect the machine head again, wait for about 2 sec, the machine head can resume
communication with the host.