SunSDR2 DX HF Transceiver Setup and Demo

SunSDR2 DX 100W HF, 6m & 2m Transceiver - SunSDR.eu

Expert Electronics SunSDR2 DX HF 100W, 6M 50W, VHF 8W Transceiver with Direct Digitization and Direct Signal Synthesis

The SunSDR2 DX transceiver based on the well-known SunSDR2 PRO transceiver with several hardware improvements. It is a 100W-HF; 50W-6M; 8W-2M transceiver, very compact, has active cooling and improved supply system, meaning it’s perfectly suited for DXpeditions. Also, we’ve added a separate connector for an external ATU, thus SunSDR2 DX has all the functionality you got used to in our radios and even more. Improved hardware along with the ExpertSDR2 software makes this high-performance SDR transceiver the perfect base station. The evident choice for a true contester! Buy your Expert Electronics SunSDR2 DX transceiver from GigaParts today!

SunSDR2 DX offers Hardware Improvements over older Pro Model

  • Improved Supply System, which leads to less heating and less power consumption
  • HPF for VHF (100 MHz) to eliminate strong out-of-band stations coming from HF
  • LPF for HF (70 MHz) to eliminate strong out-of-band stations coming from VHF
  • New VHF LNA chip – PGA103+
  • New high-performance built-in stereo audio codec 24 bit with 114 dB dynamic range
  • Sturdy DIP-type ExtCtrl connector
  • New connectors: external tuner control, GND
  • Improved PCB topology

Main Features

  • Independent RX path based on DDC (Direct Down-Conversion) architecture
  • Independent TX path based on DUC (Direct Up-Conversion) architecture
  • Output power: 100W on HF, 50W on 6M and 8W on 2M
  • 2 software RXs + SubRX for each of them (4 slices total) + independent wideband Bandscope up to 80 MHz
  • A remote control operation, using it, you connect PTT and CW-key to the E-Coder panel. Microphone and E-Coder are connected to the remotely set up PC
  • TCI interface for seamless connection with third-party software
  • Professional TX processing module provides the most advanced tuning capability for voice operation
  • ExtCTRL connector to control external devices with 8 powerful keys with open collector
  • ALC connector for external power amplifiers*
  • Supports use of VHF transverters**
  • An opportunity to use the transceiver as a signal generator via DAC OUT connector (SMA connector)
  • An opportunity to use external filters in the middle of the RF path, using ADC IN and RX OUT (SMA connector)
  • A small delay in CW mode (about 10 ms)
  • Input for external 10 MHz reference oscillator
  • An opportunity to use the transceiver in SO2V mode
  • Full duplex or half-duplex modes***
  • Antenna switch with 2 HF antenna connectors and separate VHF antenna connector (Mini UHF connectors)
  • Internal power-meter for HF and VHF bands and SWR-meter for HF band
  • Ethernet LAN interface provides a fast and reliable connection to PC

* ** *** These functions are supported by the transceiver’s hardware, but is not implemented in the ExpertSDR2 software. They will be supported in the future ExpertSDR2 software releases.

The ExpertSDR2 DX minimal system requirements:

  • 2 or 4 core CPU Intel Core i3 or Core i5;
  • 8 GB RAM;
  • 40 GB free space on the HDD/SSD for the ExpertSDR2 and accompanied programs;
  • 17′ or bigger monitor;
  • video card with OpenGL 1.5 or higher;

The ExpertSDR2 software supports Windows 7-10 32/64 bit, Linux (Ubuntu/Kubuntu 18.04 x64), and macOS 10.14 Mojave and higher.


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