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Description
The SDRplay RSPdx is a wideband full featured single-tuner 14-bit SDR receiver which covers the entire RF spectrum from 1 kHz to 2 GHz giving up to 10 MHz of spectrum visibility. It contains three antenna ports, two of which use SMA connectors and operate across the full 1 kHz to 2 GHz range and the third uses a BNC connector which operates up to 200 MHz.
The RSPdx also features a 24 MHz ‘plug and play’ reference clock input which allows the unit to be synchronised to an external reference clock such as a GPS disciplined oscillator (GPSDO).
Features
- Covers all frequencies from 1 kHz through VLF, LF, MW, HF, VHF, UHF and L-band to 2 GHz, with no gaps
- Receive, monitor and record up to 10 MHz of spectrum at a time
- Performance below 2 MHz substantially enhanced – improved dynamic range and selectivity
- Software selectable choice of 3 antenna ports
- Enhanced ability to cope with extremely strong signals
- External clock input for synchronisation purposes, or connection to GPS reference clock for extra frequency accuracy
- Excellent dynamic range for challenging reception conditions
- Free use of windows-based SDRuno software which provides an ever-increasing feature-set
- Strong and growing software support network
- Calibrated S meter/ RF power and SNR measurement with SDRuno (including datalogging to .CSV file capability)
- Documented API provided to allow demodulator or application development on multiple platforms
Applications (Amateur)
- Shortwave radio listening
- Broadcast DXing (AM/FM/TV)
- Panadaptor
- Aircraft (ADS-B and ATC)
- Slow Scan TV
- Multi-amateur band monitoring
- WSPR & digital modes
- Weather fax (HF and satellite)
- Satellite monitoring
- Geostationary environmental satellites
- Trunked radio
- Utility and emergency service monitoring
- Fast and effective antenna comparison
Applications (Industrial)
- Spectrum Analyser
- Surveillance
- Wireless microphone monitoring
- RF surveying
- IoT receiver chain
- Signal logging
- RFI/EMC detection
- Broadcast integrity monitoring
- Spectrum monitoring
- Power measurement
Applications (Educational/Scientific)
- Teaching
- Receiver design
- Radio astronomy
- Passive radar
- Ionosonde
- Spectrum analyser
- Receiver for IoT sensor projects
- Antenna research
Specifications
| Frequency Range | 1 kHz – 2 GHz |
| Antenna Connector | SMA |
| Antenna Impedance | 50 Ohms |
| Current Consumption (Typical) | 190 mA @ >60 MHz (excl. Bias-T) 120 mA @ <60 MHz (excl. Bias-T) |
| USB Connector | USB Type B |
| Maximum Input Power | +0 dBm Continuous +10 dBm Short Duration |
| ADC Sample Rates | 2-10.66 MSPS |
| ADC Number of Bits | 14 bit 2-6.048 MSPS 12 bit 6.048-8.064 MSPS 10 bit 8.064-9.216 MSPS 8 bit >9.216 MSPS |
| Bias-T | 4.7 V 100 mA guaranteed |
| Reference | 0.5ppm 24 MHz TCXO. Frequency error trimmable to 0.01ppm in field. |
| Operating Temperature Range | -10˚C to +60˚C |
| Dimensions | 113 x 94 x 35 mm |
| Weight | 315 g |
Downloads
RSP1A vs RSPdx vs RSPduo
| RSP1A | RSPdx | RSPduo | |
|---|---|---|---|
| Continuous coverage from 1 kHz to 2 GHz | ✓ | ✓ | ✓ |
| Up to 10 Mhz visible bandwidth | ✓ | ✓ | ✓ |
| 14-bit ADC silicon technology plus multiple high-performance input filters | ✓ | ✓ | ✓ |
| Software selectable AM/FM & DAB broadcast band notch filters | ✓ | ✓ | ✓ |
| 4.7 V Bias-T for powering external remote antenna amplifier | ✓ | ✓ | ✓ |
| Powers over the USB cable with a simple type B socket | ✓ | ✓ | ✓ |
| 50Ω SMA antenna input(s) for 1 kHz to 2 GHz operation (software selectable) | 1 | 2 | 2 |
| Additional software selectable Hi-Z input for up to 30 Mhz operation | ✓ | ||
| Additional software selectable 50Ω BNC input for up to 200 MHz operation | ✓ | ||
| Additional LF/VLF filter for below 500 kHz | ✓ | ||
| 24 MHz reference clock input (+ output on RSPduo) | ✓ | ✓ | |
| Dual tuners enabling reception on 2 totally independent 2 MHz ranges | ✓ | ||
| Dual tuners enabling diversity reception using SDRuno | ✓ | ||
| Robust and strong plastic case (with internal RF shielding layer) | ✓ | ||
| Rugged black painted steel case | ✓ | ✓ | |
| Overall performance below 2 MHz for MW and LF | + | ++ | + |
| Multiple simultaneous applications | + | + | ++ |
| Performance in challenging fading conditions (*using diversity tuning) | + | + | *++ |
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