SDRplay Limited is pleased to announce the launch of a new Software Defined Radio product - the RSP1A. The SDRplay RSP1A is a major upgrade to the popular RSP1 and is a powerful wideband full featured 14-bit SDR which covers the RF spectrum from 1 kHz to 2 GHz. Due to its exceptional combination of performance and price, the RSP1 has proved to be a very popular choice as an “entry level” SDR receiver. Since launching the RSP1, we have learned a great deal about what people are looking for in SDR receivers, and where possible, we have incorporated these improvements and new features into the RSP1A. The RSP1A therefore delivers a significant number of additional features which result in benefits to amateur radio enthusiasts as well as significant benefits for the scientific, educational and industrial SDR community.
Here are the main additional features of the RSP1A compared to the original RSP1:
ADC resolution increased to 14-bit native for sample rates below 6 MHz, increasing to 16 bits with decimation.
Enhanced RF pre-selection (greater filter selectivity plus 4 additional sub-bands compared to the original RSP1) for reduced levels of spurious responses
Improved LNA architecture with variable gain. The RSP1 had just a single gain step.
Improved intermodulation performance
Performance extended to cover 1 kHz to 2 GHz with a single antenna port.
Bias-T facility
Improved frequency stability incorporating a 0.5ppm TCXO (software trimmable to 0.01 ppm)
Selectable broadcast AM/FM/DAB notch filters
RF shielding within the robust plastic casing
When used together SDRplay’s own SDRuno Windows software, the RSP1A becomes a high performance SDR platform. The benefits of using the RSP1A with SDRuno include:
Highly integrated native support for the RSP1A
Calibrated RF Power Meter with more than 100 dB of usable range
Calibrated S-Meter including support for IARU S-Meter Standard
The ability to save power (dBm) and SNR (dB) measurements over time, to a CSV file for future analysis
The IQ output wav files can be accessed for 3rd party applications
SDRplay has also worked with developers of the popular HDSDR, SDR-Console and Cubic SDR software packages to ensure compatibility. As with the RSP1, SDRplay provides multiplatform driver and API support which includes Windows, Linux, Mac, Android and Raspberry Pi 3. There is even a downloadable SD card image available for Raspberry Pi3 which includes Cubic SDR.
Radio Spectrum Processor 1A 14 bit SDR
The SDRplay RSP1A is a major upgrade to the popular RSP1—it is a powerful wideband full featured 14 bit SDR which covers the RF spectrum from 1 kHz to 2 GHz. All it needs is a PC and an antenna to provide excellent communications receiver functionality. Combined with the power of readily available SDR receiver software (including ‘SDRuno’ supplied by SDRplay) you can monitor up to 10 MHz of spectrum at a time. Documented API allows developers to create new demodulators or applications around the platform.
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KEY BENEFITS:
Covers all frequencies from 1 kHz through LF, MW, HF, VHF, UHF and L-band
Excellent dynamic range for challenging reception conditions
Low levels of spurious responses
Works with all the popular Windows SDR software (including HDSDR, SDR Console, Cubic SDR and SDRuno)
Works with CubicSDR multi-platform SDR software
ExtIO based plugin available
Software upgradeable for future standards
Strong and growing software support network
API provided to allow demodulator or application development
Multiplatform driver and API support including Windows, Linux, Mac, Android and Raspberry Pi 2/3
Up to 16 individual receivers in any 10 MHz slice of spectrum using SDRuno
Calibrated S meter and power measurements with SDRuno
Ideal for monitoring of ISM/ IoT/ Telemetry bands <2 GHz
Ideal for portable operation
KEY FEATURES:
Continuous coverage from 1 kHz to 2 GHz
Up to 10 MHz visible bandwidth
Powers over the USB cable with a simple type B socket
14-bit ADC silicon technology (not another 8 bit dongle!)
11 high-selectivity, built in front-end preselection filters
Software selectable AM/FM and DAB broadcast band notch filters
Software selectable multi-level Low Noise Preamplifier
Bias -T power supply for powering antenna-mounted LNA
RF shielding layer inside case
SDRuno—World Class Windows SDR software
Documented API for new apps development
Single SMA antenna socket covering entire frequency range
SPECIFICATIONS:
General
Weight 110g
Size: 95 mm x 80 mm x 30 mm
Low Current: 120 – 175 mA (excl bias T)
Connectivity
Single 50 Ohm RF connector (SMA)
USB 2.0 (high speed) type B socket
Frequency Range
Continuous coverage 1 kHz – 2 GHz
Frequency Tolerance: 0.5 ppm (max)
ADC Characteristics
Sample frequency 2 – 10.66 MSPS
14 bit native ADC (2 – 6.048 MSPS)
12 bit (6.048- 8.064 MSPS)
10 bit (8.064- 9.216MSPS)
8 bit (> 9.216 MSPS )
Bias T
Software Selectable 4.7 V @ 100 mA
Reference
High Stability 0.5 ppm TCXO
In-field trimmable to 0.01 ppm.
Maximum recommended input power
0 dBm continuous, 10 dBm for short periods
Typical Noise Figures
14 dB @ 3 MHz
14 dB @ 10 MHz
14 dB @ 20 MHz
14 dB @ 40 MHz
3.3 dB @ 100 MHz
3.3 dB @ 200 MHz
6.0 dB @ 330 MHz
4.0 dB @ 600 MHz
5.0 dB @ 1500 MHz
6.0 dB @ 1800 MHz
IF Modes
Zero IF, All IF bandwidths
Low IF, IF bandwidths . 1.536 MHz
IF Bandwidths (3 dB)
200 kHz
300 kHz
600kHz
1.536 MHz
5.0 MHz
6.0 MHz
7.0 MHz
8.0 MHz
Front End Filtering:
Automatically configured front end filtering Low Pass
Band Pass
2-12 MHz
12-30 MHz
30-60 MHz
60-120 MHz
120-250 MHz
250-300 MHz
300-380 MHz
380-420 MHz
420-1000 MHz
High Pass
Notch Filters
FM Filter: 50 dB 85 – 100 MHz
MW Filter: >30 dB 660 – 1550 kHz
DAB Filter: >30 dB 165 – 230 MHz
SDRuno FEATURES:
Multiple ‘Virtual Receivers’ which allow for simultaneous reception and demodulation of different types of signals within the same receiver bandwidth.
A selectivity filter with an ultimate rejection greater than 140 dB.
A unique distortion-free double stage AGC with fully adjustable parame-ters.
Multiple notch filters with BW adjustable down to 1 Hz, Notch Lock fea-ture.
A unique synchronous AM mode with selectable/adjustable sidebands, dedicated PLL input filter, and selectable PLL time constants.
SNR (stereo noise reduction), featuring a proprietary noise reduction algorithm for stereo broadcast.
AFC for FM signals.
Calibration for receiver frequency errors.
Class leading audio quality
Calibrated S meter and power measurements
RDS support with “DX Mode” for low signal environment
Active Noise cancelling
CAT and Omnirig control
SSB/AM and Synchronous AM modes
WBFM and NFM with AFC
Warranty:
This unit comes with a 12 Month Warranty
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