XIEGU G90 Manuale utente

Version 4.3 – May 2023 (for G90 units with firmware v1.8).

Ultra-Miniature 24 Bit SDR

About Radioddity

“You, our friend and customer, are at the forefront of what we do.”

Thank you for purchasing a XIEGU product from Radioddity. Through a strong

partnership which allows us to bring you the latest technology from the XIEGU

brand and on behalf of Customer Support team, we strive to fulfill our promise

to better meet your needs every day.

In order to protect your rights please read the terms on XIEGU Warranty Card

carefully and know the Warranty Policy.

Firmware Update FAQ Facebook group.

Instructions.

G90 Feedback Survey：

scan to share your suggestions!

We look forward to improving our products based on

customer experience, and any ideas would be appreciated!

If you have any suggestions for new XIEGU products, you’re welcome to

XPA125B Amplifier G90-H1 stand DE-19 data interface GSOC external controller

Information on all of these and other accessories can be found at www.radioddity.com

Warnings

1. Please read this manual fully before operation so as to get a good

understanding of the G90’s capabilities and functions.

2. When using an external mains power supply or battery, carefully check

the polarity of the power cord and do not reverse the polarity.

3. The warranty of this radio does not cover damage caused by an incorrect

external power connection error or damage caused by improper power

supply voltage.

4. Only qualified technicians shall service this equipment.

5. Do not tamper with the transceiver for any reason.

6. Do not operate the transceiver with a damaged antenna. If part of an

antenna comes into contact with your skin, a minor burn can result.

7. Turn off your transceiver prior to entering any area with explosive or

flammable materials.

8. Do not operate your transceiver in any area near explosive or flammable

materials.

9. To avoid electromagnetic interference, please turn off your transceiver in

any area where notices instruct you to do so.

10. Turn off your transceiver before boarding an aircraft; any use of a radio

must be in accordance with airline regulations and crew instructions.

11. Turn off your transceiver before entering any blasting area.

12. Do not place the transceiver over any airbag deployment area in vehicles

containing airbags.

13. Do not expose the transceiver to direct sunlight over a long period of

time, nor place it close to any heat source.

14. When transmitting with the transceiver, hold the microphone 3 to 4

centimeters away from your lips and keep a safe distance away from the

antenna in accordance with the ICNIRP and any additional local

regulations.

of any part of this manual is prohibited without permission.

We would like to extend sincere gratitude to Radioddity's ham friends -- Bob

Nagy (AB5N), Garry F. Decker (W9WHF) and Ed Durrant (DD5LP), for their

instructive advice and useful suggestions in this G90 English manual.

Introduction

The G90/S is an amateur radio portable 20W HF transceiver using the latest

24-bit SDR technology. It is a new member of the Xiegu product family and our

first portable SDR model in the new G series.

Based on a 24bit-CODEC, the G90/S brings superior transceiver performance

and a highly configurable user experience. The detachable head design allows

you flexibility to position the radio’s main body where needed. The radio

includes a built-in high-performance ATU capable of matching a very wide range

of antennas.

Features Include:

 High-performance RF front end giving superb selectivity

 Modes provided are LSB/L-D/USB/U-D/CW/CWR/AM/NFM

 1.8-inch-high-contrast color TFT LCD display

 ±24k bandwidth spectrum & waterfall displays

 Adjustable DSP band filters (CW mode can be as narrow as 50Hz)

 Built-in CW Decoder

 Detachable head unit

 Built-in Antenna SWR scanner

 Built-in Wide-range automatic antenna tuner

Please read this manual carefully for a better experience and a full

understanding of the operation of the G90/S.

■ The G90S is the version sold in the People's Republic of China, the G90 is

the version available in other countries. This operation manual is applicable

to both models.

Note: As this is a “Software Defined Radio” many things can be changed with a

firmware upgrade. New features can be added and the operational processes

can be changed. Therefore, it is recommended that you ensure your G-90/S is

at the latest firmware level (as of this update of the manual, that was Firmware

v1.79b03 released on October 26th 2022). If the instructions in this manual don’t

appear to work as expected on your G-90/S it is highly likely that you are on a

different firmware version.

INDEX

About Radioddity ............................................................................................... 3

Warnings ............................................................................................................ 4

Introduction ........................................................................................................ 5

Specifications .................................................................................................... 8

Accessories and optional components ........................................................ 10

Interface Definition .......................................................................................... 11

Machine Interface – Front panel ................................................................... 12

Machine Interface - Rear Panel .................................................................... 13

Machine Interface – Head Unit ..................................................................... 14

Hand Microphone Buttons ............................................................................. 16

Power Source Connection ............................................................................. 17

Functions of the buttons ................................................................................ 18

Operation of a button’s second function: ................................................. 19

Screen Display Icons...................................................................................... 19

Function and definition of displayed icons: ............................................. 20

Operation ......................................................................................................... 21

Transceiver start and shutdown ............................................................... 21

To turn off the LCD screen to save power: ............................................. 21

Display of Power Voltage: ......................................................................... 21

Selection of Working Frequency Range .................................................. 22

Operating Mode Selection ......................................................................... 23

Volume adjustment ..................................................................................... 23

Call Sign Editor............................................................................................ 24

Setting Operational Frequency. ................................................................ 24

Adjustment of RF Gain and Muting Level ............................................... 25

Squelch Operation (prior to firmware v 1.75): ........................................ 26

Multi-function Adjustment Knob (from F/W version 1.75 onwards). .... 26

Reception and Transmission Operations using SPL and VFOA/B ..... 27

Automatic Gain Control (AGC) ................................................................. 28

PRE-AMP/ATT (combined control) .......................................................... 29

Pulse Interface Suppressor – Noise Blanker .......................................... 29

Voice Compression CMP........................................................................... 30

CW (Morse Code) Communication .......................................................... 30

CW Keyer settings ...................................................................................... 31

SSB Voice Communication ....................................................................... 32

Voice-controlled Transmit - VOX .............................................................. 33

Setting Line level Input into ACC connector: .......................................... 33

Automatic Antenna Tuner .......................................................................... 34

Standing-wave Scanner SWR .................................................................. 34

Corresponding location of keys VS. screen labels: ............................... 35

Fine Tuning of Received Frequency (RIT) .............................................. 35

Line Input and Output ................................................................................. 36

Operation of line output: ............................................................................ 36

Channel Memory Write (MW) and Clear (MC) ....................................... 37

Transmitter Power Setting ......................................................................... 37

Digital (DSP) Filters .................................................................................... 38

Receive filter operation prior to firmware v 1.79b02: ............................. 39

Spectrum/ Waterfall Display ...................................................................... 40

Data Communication .................................................................................. 41

Cable connection steps .............................................................................. 42

Digital Mode Connections .............................................................................. 43

Factory Reset ..................................................................................................... 45

System Menu ............................................................................................... 46

CiV Control Instructions ................................................................................. 49

Band Voltage Data ........................................................................................ 51

Firmware upgrades ............................................................................................ 52

Specifications

General parameters

Frequency range: RX: 0.5MHz-30MHz

TX: 1.8-2.0MHz (*1)

3.5-4.0MHz (*1)

5.330.5-5.405MHz (*1 *3)

7.0-7.3MHz (*1)

10.1-10.15MHz

14.0-14.35MHz

18.068-18.168MHz

21.0-21.450MHz

24.89-24.99MHz

28.0-29.7MHz

Operating modes: USB/U-D/LSB/L-D/CW/CWR/AM/FM (*2)

Minimum step: 10Hz

Antenna impedance: 50Ω

Working temperature: 0°C ~ +50°C

Frequency stability:

±1.5ppm in the 10~60min after

startup

@25°C: 1ppm/hour

Power supply voltage: 10.5~16.5VDC, negative ground

Current consumption: Receive: 700mA@ Max

Transmit: 6A@ Max

Case size (mm): 120Wx45Hx210D (case only)

140Wx52Hx250D (with handles)

Weight: About 1.63kg (for main body)

Transmitter parameters

RF output power:

(@ 13.8VDC)

20W(SSB/CW/FM/AM)

Spurious suppression: ≥50dB

Carrier suppression: ≥40dB

Microphone impedance: 200Ω ~10kΩ (most often 600Ω)

Specifications (continued)

Receiver parameters

Circuit type: Zero-IF (ZIF) direct conversion SDR.

Neighboring channel suppression: ≥60dB

Sideband suppression: ≥60dB

Sensitivity:

SSB/CW AM

0.5~1.79999MHz / 10uV

1.8~1.99999MHz 0.35uV 10uV

2.0~27.9999MHz 0.25uV 2uV

28.0~30.0MHz 0.25uV 2uV

Measurements made with PRE=on, ATT=off, NB=off, SSB/CW/AM=10dB S/N.

Mirroring suppression: 70dB

Sideband suppression: 60dB

Audio output: 0.5W (8Ω, ≤10% THD)

Audio output impedance: 4~16Ω

♦ The specifications above may be changed without notice.

♦ (*1) The operator is ALWAYS responsible to ensure he/she does not transmit

using the radio outside of the amateur allocation (and in the case of an amateur

without a full authority licence (i.e. entry level or novice) outside of the allocated

frequencies in their licence). Radios that are sold to service the international

market may at times have the ability to transmit on frequencies that are not

available in some countries or under some licence classes. You as the operator

MUST ensure that you do not transmit outside of your authorized frequency

range (do not forget about the sideband(s) when operating close to the edge of

a band).

♦ (*2) FM mode was only fully available from version 1.75 of the firmware prior

to that firmware version it was only available in conjunction with XIEGU’s GSOC

controller. The two data modes U-D and L-D were added in FW v 1.79b02

♦ (*3) The G90/S covers the range needed for the US 60m channels and the

WRTC15 ITU band. It does not cover the bottom half of the UK 60m “bandlets”

Accessories and optional components

Included accessories: Quantity

Multi-function hand microphone 1

USB data interface cable: 1

DB9 head unit extension cable: 1

Detachable head fixing studs 2

Hexagonal wrench 1

DC power cord 1

Warranty card 1

Instruction leaflet 1

Quality assurance certificate 1

*Optional accessories:

DE-19: Digital interface unit providing one USB cable to the PC with support for

two-way audio and serial communications as well as providing control of an

optional XPA125B amplifier.

XPA125B: Xiegu 100W power amplifier, including an automatic antenna tuner.

GSOC: external, large screen, controller.

G90-H1: Stand with fan

G90-H2: Tilting front support legs

PAX-100: Radioddity HF 100W PEP amplifier.

GNR 1: Xiegu Digital Audio Noise Filter Unit.

NOTE: The G90/S is dealer modifiable for use on the US MARS required transmit

frequency ranges.

NOTE: Your antenna will have a great impact on the quality of your communications.

Many simple wire antennas offer excellent performance for field operations.

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