SunSDR2 QRP

      Direct sampling HF transceiver

 

Description

The SunSDR2 QRP is the HF transceiver with 5W output power and a wide range of capabilities. Thanks to the constantly improving ExpertSDR2 software and advantages of the direct sampling the SunSDR2 QRP can solve any given task for a reasonable price. The SunSDR2 QRP can be used either locally via the LAN interface or remotely using the Expert Remote system, it gives you flexibility in arranging your working place as never before.

 

Main features

  • Immense functionality for a reasonable price
    Designing each our device, we try to reach the best balance between the price and functionality
  • Full support of the ExpertSDR2 software
    Continuously growing and improving ExpertSDR2 software is 100% compatible with the SunSDR2 QRP and will continue to support it for many years to come, for free!
  • Remote control operation with Expert Remote system
    You may set the SunSDR2 QRP in your remote shack or village, away from the city noises, to get the best noise floor, and use it from your bedroom in comfort
  • External control connector
    Connect up to 8 external devices to 8 powerful keys with open collectors, such as PAs, external filters, rotate antenna devices etc.
  • No need for an external soundcard
    The SunSDR2 QRP does not require an external sound card and audio cables, just plug your headphones in the transceiver and listen to the air
  • 16-bit ADC at 122.88 MHz
    The SunSDR2 QRP has the best ADC in its price range which provides 115 dB BDR
  • Sample rates: 48-384 kHz
    At the same time, you can use a 60 MHz wide bandscope + 2 software RXs, each has a SubRX
  • Special mode for 768 kHz or 960 kHz sample rate, only for 1 RX + bandscope at the same time
  • Supports 4M band only for RX in the 2nd Nyquist zone
  • 1.2 MHz sample rate is in development 

 

Application field

  • HAM amateur HF transceiver
  • Remote operation just for fun and for contests
  • Spectrum analyzer with the wide bandscope up to 60MHz
  • Record IQ files and listen to them afterward

 

Minimum PC specs

  • CPU Intel Core i3 or higher
  • 2 GB RAM (4 GB is strongly recommended)
  • Video card with 256 Mbyte RAM and OpenGL 1.5 support
  • Local network connector 100 Mbps or 1 Gbps
  • OS Windows 7-10 x32 or x64, OS Linux Ubuntu x64

 

Software

The ExpertSDR2 software supports two types of OS: Windows XP/Vista/8/10 and Linux Ubuntu/Kubuntu.

 

Architecture description

Block Diagram SunSDR2 QRP

 Basic configuration:

  • Transceiver SunSDR2 QRP
  • LAN-cable (1.8m)
  • Power supply cable (2m)
  • RF Cable  Mini UHF — HF (PL259) 1Ft (0.3m 1 pc.)

Characteristics

Mode types* LSB/USB/DSB/CW/AM/SAM/NFM/WFM
General coverage receiver in HF, MHz 0.1...55
Frequency coverage in HF in TX mode, MHz All amateur frequencies
Sensitivity, uV 0,1
Maximum transmitter's output power in HF, W 5
Blocking dynamic range in HF mode (BDR), dB 120
RF ADC clock frequency, MHz 122.88
RF ADC resolution, bit 16
RF DAC clock frequency, MHz 122.88
RF DAC resolution, bit 14
Local oscillator's stability, ppm +/- 2.5
Supply voltage range for TX mode, V +10...15
Supply voltage range for RX mode, V +7...15
Recommended supply voltage, V +12
Maximum consumption current, А 3
Built-in audio codec resolution, bit 24
Operating temperature, ºC 0...+75
Dimensions, mm 185х106х45
Weight, kg 0,5

 * - more modes can be supported with a help of external software

Documentation


pdf ExpertSDR2 User Manual v1.0

ExpertSDR2 User Manual v1.0 for the SunSDR2 QRP transceiver (02-June-17)


 

Downloads

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

 Windows


installer ExpertSDR2 v.1.2.0 beta 6_SunSDR2 QRP
Firmware v. 4.0 dd: 28-06-2017

 

pdf ExpertSDR2 1.2 beta_6_Release_Notes

pdf ExpertSDR2 1.2 beta_4_Release_Notes

pdf ExpertSDR2 1.2 beta_3_Release_Notes

pdf ExpertSDR2 1.2 beta_2_Release_Notes

 

Warning!

To use the ExpertSDR2 software, please install the Visual Studio Redistributable 2015 x86 (32bit) either from the ExpertSDR2 installer or from the official Microsoft web-site:
https://www.microsoft.com/en-us/download/details.aspx?id=52685

 

  Linux x64 (created by Ubuntu 16.04)


installer ExpertSDR2 v.1.2.0 beta 6
Firmware v. 4.0 dd: 28-06-2017

 


mac oc x macOS


installer ExpertSDR2 v.1.2.0 alpha 6
Firmware v. 4.0 dd: 28-06-2017

 

Warning!
ExpertSDR2 works on macOS 10.12 Sierra (earlier versions weren't tested).