Description
SunSDR2 transceiver - is an up-to-date system of the amateur radio communication in the HF and VHF frequency bands with the digital signal processing. This device is designed to work with the PC via Ethernet (LAN) or via WiFi. Receive path is based on the direct conversion principle, transmission path – over the direct synthesis principle.
Main capabilities
- Separate independent receive path based on Direct Down Conversion principle (DDC)
- Separate independent transmitter, based on the Direct Up-Conversion principle (DUC)
- Antenna switch for 2 antennas in HF
- Built-in power-meter and SWR-meter in HF band
- External control connector for other devices, 10 powerful keys with open collector
- ALC connector for external power amplifiers*
- Input connector for connecting PTT footswitch
- Input connector for connecting CW-key
- Output Jack for headphones, impedance 8-10000 Ohm
- Microphone input Jack for electret microphone
- Microphone connector with PTT switch Yaesu MH-31, which contains microphone, PTT button, and 3 additional functional buttons
- Protection from polarity reversal
- Ethernet LAN interface provides galvanic isolation between transceiver and PC
- Transceiver's calibrations are kept inside the device. No need for primary calibration
- The possibility of remote work. PTT footswitch and CW-key are connected to the E-Coder panel, microphone – to the PC
* ALC functionality is supported by the transceiver's hardware but is not implemented in the ExpertSDR2 software. It will be supported in the future ExpertSDR2 software releases.
Application field
- Radio Amateur HF/VHF transceiver
- Remote reception point for contests
- SO2R/SO2V working contest-station
- Spectrum analyzer with the spectrum scope up to 80MHz
- Record air stations with the further reproducing
Block diagram
Transceiver SunSDR2 configuration
The transceiver can have additional option WiFi unit for work in wireless networks. In accordance with it at the rear panel can be either set or not WA connectors and the delivery set is changed.
Basic configuration:
- Transceiver SunSDR2. At the rear panel of the basic model, there is no SMA connector for WiFi antenna
- LAN-cable for connecting to local network
- Power cable for connecting the transceiver to power supply
- Two audio-adapters JACK 6.3mm to JACK 3.5mm for connecting PC's headset to transceiver
Maximum configuration:
- Transceiver SunSDR2. At the rear panel of the model is set SMA connector for WiFi antenna
- LAN-cable for connecting to local network
- Small-size WiFi antenna
- Power cable for connecting the transceiver to power supply
- Two audio-adapters JACK 6.3mm to JACK 3.5mm for connecting PC's headset to transceiver
Additional configuration:
In addition to the basic transceiver's configuration can be purchased the following devices:
- Switched power supply for voltage 15 V current 5A
- PC's headset with electret microphone
- SDR control panel E-Coder or E-Coder Mini kit for remote comfortable work
Specifications
| General coverage receiver in HF, MHz | 0.09...65 |
| General coverage receiver in VHF, MHz | 95...148 |
| Frequency coverage in HF in TX mode, MHz | All amateur frequencies |
| Frequency coverage in VHF in TX mode, MHz | 144...148 |
| Sensitivity, uV | 0.2 |
| Maximum transmitter's output power in HF, W | 20 |
| Maximum transmitter's output power in VHF, W | 8 |
| Blocking dynamic range in HF mode (BDR), dB | 120 |
| Blocking dynamic range in VHF mode (BDR), dB | >114 |
| RF ADC clock frequency, MHz | 160 |
| RF ADC resolution, bit | 16 |
| RF DAC clock frequency, MHz | 640 |
| RF DAC resolution, bit | 14 |
| Recommended power supply, V | 15 |
| Supply voltage range, V | 12...16 |
| Local oscillator's stability, ppm | +/- 0.5 |
| Maximum consumption current, А | 5 |
| Built-in audio codec resolution, bit | 24 |
| ALC input voltage range, V | 0..4 |
| Dimensions, mm | 165х165х35 |
| Operating temperature, Celsius degree | 0...+50 |
| Weight, kg | 1 |
* More modes can be supported via external software
Specifications are subject to change without notice or obligation and specifications are only guaranteed within the amateur radio bands.
Photo
http://eesdr.com/en/products-en/transceivers-en/sunsdr2-en#sigFreeId3b2dbe638a
Documentation
ExpertSDR2 User Manual v1.4 24.11.2017 Betriebsanleitung v1.3 (User Manual in German) 01-10-19 中文软件操作手册 V1.4 (User Manual in Chinese) 03-05-18 MANUAL DE USUARIO v1.5 (User Manual in Spanish) 11-09-19
User Manual Addendum version, by Erik EI4KF Adenda del Manual del Usuario version 6.9 08-07-20
Setup instructions for WSJT-X, ExpertSDR2 and MacLoggerDX
Getting Started Empezando (Getting Started in Spanish) 11-09-19
"Setting up SunSDR2 PRO for DUMMIES" by Pete Parisetti, MM0TWX El primer procedimiento 11-09-19
Useful schemes
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 transceiver.
Connecting to SunSDR2 of external PA, fan and relay
In the document, you can find information about how to connect to external PA. Described the connection to transceiver a fan and relay to control the external BPF, antenna switch, etc.
The schematic diagram for connection VL-1000(Yaesu) and SunSDR2
This schematic diagram provides you to create a special control cable by your own hands. With this cable, you can connect the SunSDR2 transceiver to the VL-1000 power amplifier from Yaesu and control bands switching and PTT mode.
Also, you can use this schematic diagram for building additional cables for control PA, antenna switches etc.
ExtCtrl to EB300 connection diagram
Software
Warning! Software is device-specific! Don't mix software with unsuitable hardware, it may lead to issues that are not covered by warranty!
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Warning! |
Warning! |
Windows
Linux x64
macOSArticles and Reviews
Article in FUNKAMATEUR (August 2014)
The article in German magazine FUNKAMATEUR about SunSDR2 transceiver (German language)
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