WinRADiO WR-G31DDC Receiver (9 kHz~49.995 MHz (EXCALIBUR))

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.

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

- Includes:

The standard WR-G31DDC package includes:

WR-G31DDC receiver

User's guide

Application download instructions (CD ROM provided on request, as shown)

Low-noise switch-mode power supply

USB cable

BNC-to-SMA adapter

- System requirements:

PC with 2 GHz dual core CPU or faster*

One free USB 2.0 socket

Windows 7, 8, 10 or 11