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SunSDR2 PRO
Specifications Prices
SDR transceiver for the HF + 50/144 MHz frequency bands working together with a PC. Two software receivers and sub-receiver for each of them. I/Q stream up to 312 kHz. Ideated in Russia, year of introduction 2015.
Reference market : amateur-radio
SunSDR2 PRO specifications
| General |
| Frequency coverage | |
|---|---|
| Receive [1] | 0.0900 ~ 65.0000 MHz 95.0000 ~ 148.0000 MHz |
| Transmit | 1.8 / 3.5 / 7 / 10 / 14 / 18 / 21 / 24 / 28 / 50 / 144 ~ 146 MHz |
| Mode [2] | |
| CW / LSB / USB / DSB / AM / AM-S / FM / WFM | |
| Tuning step | |
| 0.1 Hz min 1 / 5 / 10 / 25 / 50 / 100 / 250 / 500 Hz / 1 / 2.5 / 5 / 6.25 / 9 / 10 / 12.5 / 25 / 50 / 100 KHz |
|
| Receiver |
| Sensitivity | |
|---|---|
| CW [3] | 0.07 uV (HF) |
| MDS (Minimum Detectable Signal) | |
| -136 dBm (7 MHz, preampli ON) | |
| Selectivity [4] [5] | |
| CW | 0.05 / 0.1 / 0.25 / 0.4 / 0.5 / 0.65 / 0.8 / 1 / 1.2 KHz (-3dB) |
| SSB / Digital | 1.8 / 2.0 / 2.2 / 2.5 / 2.7 / 2.9 / 3.0 / 3.3 / 3.5 KHz (-3dB) |
| AM / AM-S / DSB | 3.0 / 3.5 / 4.0 / 5.0 / 6.0 / 8.0 / 10 / 12 / 16 KHz (-3dB) |
| FM | 3.0 / 3.5 / 4.0 / 5.0 / 6.0 / 8.0 / 10 / 12 / 16 KHz (-3dB) |
| WFM | 150 / 200 / 250 / 260 / 270 / 280 / 290 / 300 / 310 KHz (-3dB) |
| ADC (Analog to Digital Conversion) | |
| Sample rate | 160 Msps |
| Resolution | 16 Bit |
| DDC bandwidth | 39.0625 / 78.125 / 156.25 / 312.5 ksps |
| RF preamplifiers | |
| 12 dB (HF) 26 dB (VHF) |
|
| RF attenuator | |
| 20 dB | |
| Blocking | |
| 129 dB (HF) 114 dB (VHF) |
|
| Notch filter | |
| Automatic | Yes |
| NB (Noise Blanker) | |
| Two, user-defined | |
| DNR (Digital Noise Reduction) | |
| Yes, user-defined | |
| AGC (Automatic Gain Control) [6] | |
| Fast, medium , slow, long, OFF | |
| Frequency stability | |
| ±0.5 ppm | |
| Transmitter |
| Output power | |
|---|---|
| HF bands | 20 W |
| VHF band | 7 W |
| DAC (Digital to Analog Conversion) | |
| Sample rate | 640 Msps |
| Resolution | 14 Bit |
| Microphone | |
| Two inputs | |
| XIT (Transmitter Incremental Tuning) | |
| Yes | |
| CW features | |
| Iambic keyer | |
| Features |
| Memory | |
|---|---|
| 16 quick memories (last frequencies) | |
| Antenna | |
| 2 x mini-UHF 50Ω (HF) mini-UHF 50Ω (VHF) |
|
| Power supply | |
| 12~16 VDC external (15V nominal) | |
| Power consumption | |
| 1.2A RX, typ 5A TX, max |
|
| Audio output | |
| Jack 6.35 mm external headphone | |
| Connections | |
| LAN (control) Jack 6.35 mm (CW key) Jack 6.35 mm (PTT) RCA (ALC input) SMA (10 MHz reference input) SMA (RX output) SMA (DAC output) SMA (ADC input) SMA (WiFi antenna for optional unit) 15-pin DIN (controlling of external devices) |
| Mechanical and environmental data |
| Operating temperature | |
|---|---|
| from 0°C to +75°C | |
| Dimensions | |
| 165 (W) x 35 (H) x 165 (D) mm | |
| Weight | |
| 1.5kg |
- 0.026-80 and 80-160 MHz spectrum scope bandwidth.
- Further modes such as DRM can be implemented with third party software.
- 500 Hz bandwidth.
- Also user-defined, possible on any modulation mode except DRM.
- 10 KHz fixed for DRM.
- Also user-defined 100~1000 ms.
Updated | Complete | UK - NORTHERN IRELAND
378 pages | 300+ Airports and Airfields
Voice com. | ACC | FIC | VOLMET | ACARS | VDL | ILS | VOR | DME
The SunSDR2 PRO is a direct digital sampling QRP transceiver which is able to work on either the HF bands and on VHF 2m amateur band. The PRO follow previous SunSDR2 with improvements as: An new high-speed ADC (LTC2209 from ADI) for higher dynamic range, it allows to operate with enabled preamplifier alongside strong radio stations within the octave filters bandwidth which is very important for low noise bands of ~14 MHz and up. Also the low-pass filters (LPF) in the power amplifier was increased to 5th order, instead of 3rd. More an improved antenna switch with idle connectors shorted on the case, this eliminates crosstalk from HF antennas while working on the VHF band and vice versa.
Main features includes independent receiver path based on DDC (Direct Down-Conversion) and independent transmitter path based on DUC (Direct Up-Conversion) architecture. Two software receivers and sub-receiver for each of them, 4 slices in total - you can listen to 4 VFOs at the same time, on two different bands. Independent wideband bandscope up to 80 MHz. Antenna switch with 2 HF inputs and separate VHF connector. Supports use of VHF transverters. Built-in power and SWR meter for HF bands. Ethernet LAN interface for fast and reliable connection to PC. Half or full-duplex mode, last mode is supported by the transceiver's hardware but is not implemented in the firmware yet. The software provides remote control of the transceiver and also the opportunity to use it in SO2V mode for creating two working places with one transceiver, ideal for ham contest position.
More features: S-Meter in the ExpertSDR2-PRO has two different calibrations for HF band (up to 30 MHz) and VHF (from 30 MHz). HF and VHF signals with the same dBm level have different scale, so corresponds to the IARU recommendations. Opportunity to use the transceiver as a signal generator via DAC OUT connector. 15-pin connector to control external devices with 8 powerful open collector programmable switchers. TCI interface for seamless connection with third-party software like SDC - with its own Skimmer, LogHX, SWISSLOG, RUMlog.
PC requirements: The 'ExpertSDR2' software works with Windows 7~10, Linux Ubuntu x64 and macOS 10.12 and newer. CPU Intel Core i3 1.6 GHz and higher. Video resolution 1024x600, OpenGL 1.5 support and higher. Local network connector 100 Mbps or 1 Gbps.
SunSDR2 PRO block diagram :
SunSDR2 PRO block diagram
Note: the SunSDR2-PRO has two microphone connectors, one for a PC electret type and the other for a standard dynamic microphone, with Yaesu pin-out. On the transceiver there is a direct access to the ADC input and the DAC output, the SDR core portion of SunSDR2 PRO could uses external front end hardware to create a UHF or SHF radio. You can also configure the HF antenna ports so that one is used for transmit and the other is used for receiving.
SunSDR2 PRO window for RX1 receiver (RX1/RX2 are available each with its own window)
SunSDR2 PRO microphone parametric filter
15-pin accessory DIN connector :
| Pin X1...7 | |
|---|---|
| Description | Contacts for programmable switchers |
| Specifications | Open collectors, software defined |
| Pin X8 | |
| Description | Contacts for programmable switchers |
| Specifications | Open collectors, software defined, 200mA max |
| Pin CP | |
| Description | Contact of the protective diode |
| Specifications | --- |
| Pin +12V | |
| Description | Power supply |
| Specifications | 0.8A max, 2A fused |
| Pin G | |
| Description | Ground |
| Specifications | --- |
| Pin I1, I2 | |
| Description | Indicators |
| Specifications | --- |
| Pin RA, RB | |
| Description | RS485 interface |
| Specifications | --- |
SunSDR2 PRO price
We have collected for your convenience the Expert Electronics SunSDR2-PRO sale price (UK Pounds) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.
 Price |
 Date |
 Condition |
|
GBP 1447.00 (1685EUR) |
2021-may | Brand-new |
|
GBP 1481.00 (1699EUR) |
2018-nov | Brand-new |
SunSDR2 PRO review
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