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Expert Electronics SunSDR2-DX - HF/6M/VHF Transceiver

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Product Information

Overview
Specifications and Downloads

Anticpated mid September at £2099.95 - £100 is DEPOSIT to secure one of the first units of this hotly anticpated new model. Use the drop down to place a deposit on yours now!

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 a separate connector for 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!

Hardware improvements in comparison to SunSDR2 PRO:

Improved supply system, which leads to less heating and less power consumption
HPF for VHF (100 MHz) and LPF for HF (70 MHz)
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 capabilities

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
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 like SDC (with its own Skimmer), LogHX, SWISSLOG and RUMlog, more are coming
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 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.

Architecture description

Will be available later

SunSDR2 DX complete set

Will be available later

RF ADC, bit @ MHz	16 @ 160
ADC type	LTC2209
RX Frequency range, MHz	0.1...65; 95...155
Independent software receivers	2 + 2 SubRX
Sample rate, kHz @ bit	39; 78; 156; 312 @ 24
Bandscope, MHz	80
RX HF filters, MHz	LPF: 65 or 9 x BPF + unswitchable LPF: 70
RX VHF filters, MHz	WideRX: 95-155 or SAW filter for 2M: 144-148 + unswitchable HPF: 100
BDR on HF, dB	130*
BDR on VHF, dB	114*
Sensitivity, uV	0.07*
DR IMD3, not less dB	98*
RMDR, dB	110*
ATT/Preamp, dB	-20; -10; 0; +10
VHF LNA, dB	+22*
RF DAC, bit @ MHz	14 @ 640
TX Frequency range, M	All amateur bands 160-6; 2
Output power on HF, W	100
Output power on 6M, W	50 (up to 60)
Output power on VHF, W	7 (up to 8)
TX IMD3, dB	25-30 on HF/VHF*
Local oscillator TCXO, MHz +/- ppm	20 +/- 0.5
External 10 MHz oscillator input	+
Built-in audio codec, bit	24
RF input/output	2HF, 1VHF (Mini_UHF) ADC IN, DAC OUT (SMA)
PC interface	LAN 100 Mbit
DC voltage range in RX/TX, V	N/A*
Current consumption RX/TX, A	N/A*
Power consumption RX/TX, W	N/A*
Operating temperature, °C/°F	0...+50/ +32...+122
Dimensions L x W x H, cm/inches	19.0 x 17.0 x 8.0/ 7.48 x 6.69 x 3.14
Weight, kg/lbs	1.8/ 3.96

Warning! Software for each device is different! Double-check your device before downloading!

Windows

Linux x64

macOS

Terms of the product's warranty

SunSDR2 PRO Getting Started
This document describes the first steps with the SunSDR2 PRO/DX transceiver

"Setting up SunSDR2 PRO for DUMMIES" by Pete Parisetti, MM0TWX

This document can be used with the SunSDR2 DX

User Manual Addendum version 5.3, by Erik EI4KF

January 2019

Setup instructions for WSJT-X, ExpertSDR2, and MacLoggerDX

ExpertSDR2 and CW Skimmer

This guide describes how to setup ExpertSDR2 for use with one or two CW Skimmers.

Useful diagrams

Using the transceiver for SO2V operation

Using the transceiver for SO2V operation with SDC
Both diagrams can be used for creating two working places with a single SunSDR2 PRO/DX transceiver.

Connecting an external PA, fan, relay, etc. to the SunSD2 PRO/DX
In this document, you can find information about how to connect the SunSDR2 PRO/DX to an external PA, fan, or relay to control the external BPF, antenna switch, etc.

Control cable schematic for external PA VL-1000 (Yaesu)
This schematic allows you to assemble your own control cable for PA VL-1000 by Yaesu. With this cable, you control PA's bands and RX/TX mode. This cable might be used for control of other devices, which works with 4-contact control protocol by Yaesu, e.g. PAs, antenna switches, etc.

ExtCtrl to EB300 connection diagram