Product Overview
The Xiegu G90 is a high-performance 20W HF transceiver featuring SDR (Software Defined Radio) technology. It is designed for amateur radio enthusiasts, offering advanced functionalities and a user-friendly interface. Key features include a detachable display unit, a color LCD with spectrum and waterfall display, and a built-in automatic antenna tuner.
Image: The Xiegu G90 HF Transceiver, showing the main unit and the connected microphone. The display unit is integrated.
Key Features
- Detachable Display Unit: The display module and the main radio unit can be separated, allowing for flexible installation and placement. This compact design enhances portability and setup versatility.
Image: The Xiegu G90 with its display unit detached from the main body, illustrating the modular design.
- Wideband Automatic Antenna Tuner: Unlike many QRP radios, the G90 includes a built-in automatic antenna tuner, enabling efficient operation with various antenna configurations in different field conditions.
Image: A close-up of the Xiegu G90, highlighting the "Built-in Auto Antenna Tuner" feature with a waveform graphic.
- 1.8-inch Color LCD Screen: Features a high-contrast TFT LCD display that clearly shows all important operating conditions, including a 48kHz bandwidth spectrum and waterfall display for excellent signal condition awareness.
Image: A detailed view of the Xiegu G90's 1.8-inch color LCD screen, showing frequency, signal strength, and spectrum display.
- User-Friendly Interface: Designed for ease of use, with frequently used functions accessible directly on the central unit. A Quick Access Menu provides shortcuts to common operations.
- Firmware Updates: Free firmware updates are provided to enhance radio functions, and updates can be performed easily by the user.
Setup and Connections
Connecting the Microphone
The microphone connects to the dedicated port on the main unit. It features two configurable modes and multiple buttons for specific commands, including Push-To-Talk (PTT) and Tuner functions.
Image: A hand holding the Xiegu G90 microphone, with labels pointing to the PTT (Push-To-Talk) and Tuner buttons. An inset shows the backlit keypad.
Audio and Data Interfaces
The G90 utilizes a standard 3.5mm stereo jack (3-pin) for headphone connection. There is also a port for microphone software updates and an I/Q output interface for PC connection or XTD1 panadapter.
Image: A close-up view of the side of the Xiegu G90, showing the headphone interface and a self-defining interface port.
Power Requirements
For optimal performance and to maintain the 20W transmission power, the G90 requires a voltage between 13.8V and 15V. If the voltage drops below 13.8V, the output power may not be guaranteed.
Image: The rear panel of the Xiegu G90, displaying various connection ports including ANT (antenna), KEY, CONN, I/Q, ACC, and DC IN.
Operating Instructions
Frequency Range and Modes
The G90 supports a reception frequency range of 0.5-30 MHz and transmits on amateur bands plus the 6m band. It operates in SSB/CW/AM/FM modes.
- Rx Frequency: 0.5-30 MHz
- Tx Frequency: 160m-10m Amateur Bands + 6m band
- Modes: SSB, CW, AM, FM
Note: FM mode can only be activated when the GSOC controller is used in conjunction with the G90.
Bandwidth and Filtering
The advanced technology includes pre-selections for narrow bands. The Rx filters are fully adjustable, allowing for CW filtering down to 50Hz.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Xiegu G90. Keep the unit clean and free from dust.
Heat Management
It is normal for the G90 to generate heat if used for extended periods. Ensure adequate ventilation around the unit to prevent overheating.
Firmware Updates
Periodically check the official Xiegu website for new firmware updates. Updating the firmware can improve performance, add new features, and resolve potential issues. Instructions for updating are typically provided with the firmware download.
Troubleshooting
- Low Output Power: Ensure the power supply voltage is between 13.8V and 15V. A voltage below 13.8V may result in reduced output power.
- FM Mode Not Available: Verify that the GSOC controller is connected and properly configured, as FM mode requires its use.
- Display Issues: Check the connection of the detachable display unit to the main body. Ensure all pins are aligned and securely connected.
- Antenna Tuning Problems: Confirm that your antenna is properly connected and that the automatic antenna tuner function is activated.
Specifications
| Feature | Specification |
|---|---|
| Brand | Xiegu |
| Model Number | G90 |
| Rx Frequency Range | 0.5 MHz - 30 MHz |
| Tx Frequency Range | 160m-10m Amateur Bands |
| Operating Modes | A1A (CW), A3E (AM), J3E (USB/LSB) |
| HF Output Power | 20 W (SSB/CW/FM), 5 W (AM) at 13.8V |
| Modulation Method | Digital (SDR) |
| Tuning Step Size | 10 Hz |
| Antenna Impedance | 50 Ω |
| Operating Temperature | 0 ℃ - +50 ℃ |
| Dimensions (W x H x L) | 120 x 45 x 210 mm (without handle) |
| Weight | 1 Kilogram |
| Display | 1.8 inch TFT LCD with high contrast, 24kHz bandwidth spectrum, waterfall effect |
| Special Features | Detachable display unit, Built-in automatic wideband antenna tuner, I/Q output interface |
Warranty and Support
Information regarding warranty and support for Xiegu products can typically be found on the official Xiegu website or through your authorized dealer. For specific inquiries, please refer to the contact information provided with your purchase.
The manufacturer, Xiegu, provides free firmware updates to enhance the radio's functions, which can be performed by the user.
For further assistance, you may contact Radioddity United Kingdom, the seller, through their Amazon store page: Radioddity United Kingdom Seller Page.
