WiNRADiO Future of radio
   

   WR-G31DDC 'EXCALIBUR' Specifications
Receiver type Direct-sampling, digitally down-converting software-defined receiver
Frequency range 9 kHz to 49.995 MHz
Tuning resolution 1 Hz
Mode AM, AMS, LSB, USB, CW, FMN, FSK, UDM (user-defined mode)
DRM mode optional
Image rejection 90 dB typ.
IP3 +31 dBm typ.
Attenuator 0 - 21 dB, adjustable in 3 dB steps
SFDR 107 dB typ.
Noise figure 14 dB
MDS -130 dBm @ 10 MHz, 500 Hz BW
Phase noise -145 dBc/Hz @ 10 kHz
RSSI accuracy 2 dB typ.
RSSI sensitivity -140 dBm
Processing and recording bandwidth
(DDC bandwidth)
20 kHz - 2 MHz
(selectable in 21 steps)
Demodulation bandwidth
(selectivity)
10 Hz - 62.5 kHz
(continuously variable in 1 Hz steps)
Spectrum analyzers Input spectrum/waterfall, 30 or 50 MHz wide, 1.5 kHz resolution bandwidth
DDC spectrum/waterfall, max 2 MHz wide, 1 Hz resolution bandwidth
Channel spectrum, max 62.5 kHz wide, 1 Hz resolution bandwidth
Demodulated audio, 16 kHz wide, 1 Hz resolution bandwidth
ADC 16 bit, 100 MSPS
Sensitivity
(typ. @ 10 MHz)
AM-101 dBm (2.00 µV) @ 10 dB S+N/N, 30% modulation
SSB-116 dBm (0.35 µV) @ 10 dB S+N/N, 2.1 kHz BW
CW-123 dBm (0.16 µV) @ 10 dB S+N/N, 500 Hz BW
FM-112 dBm (0.56 µV) @ 12 dB SINAD, 3 kHz deviation, 12 kHz BW,
audio filter 300-3000 Hz, deemphasis -6dB/oct
 
Note: Below 200 kHz, the sensitivity gradually drops.
Typical figures (CW, 500 Hz BW, 10 dB S+N/N) are as follows:

200 kHz   -123 dBm
100 kHz   -116 dBm
50 kHz   -112 dBm
25 kHz   -97 dBm
10 kHz   -81 dBm
Tuning accuracy 0.5 ppm @ 25 °C
Tuning stability 2.5 ppm (0 to 50 °C)
MW filter Cut-off frequency 1.8 MHz @ -3 dB
Attenuation 60 dB min @ 0.5 MHz
Antenna input 50 ohm (SMA connector)
Output 24-bit digitized I&Q signal over USB interface
Interface USB 2.0 High speed
Power supply 11-13 V DC @ 500 mA typ.
11-13 V DC @ 45 mA typ. (power save)
Operating temperature 0 to 50 °C

Specifications are subject to change without notice due to continuous product development and improvement.