WiNRADiO Future of radio
   

   WR-G35DDCi Receiver Specifications
Receiver type Direct-sampling, digitally down-converting software-defined receiver
Frequency range 1 kHz to 45 MHz
Tuning resolution 1 Hz
Tuning accuracy 0.5 ppm @ 25 °C
Tuning stability 0.5 ppm (0 to 50 °C)
Mode AM, AMS, LSB, USB, DSB, ISB, CW, FMN, FSK, UDM (user-defined mode),
DRM mode optional
Image Rejection 102 dB typ. (preamp off)
P1dB -4 dBm typ. (preamp off)
-15 dBm typ. (preamp on)
IP2 +75 dBm typ. (preamp off)
+49 dBm typ. (preamp on)
IP3 +38 dBm typ. (preamp off)
+27 dBm typ. (preamp on)
Attenuator 0 - 21 dB, adjustable in 3 dB steps
SFDR 111 dB min. (preamp off)
108 dB min. (preamp on)
Noise figure 16 dB (preamp off)
9 dB (preamp on)
MDS -128 dBm @ 10 MHz, 500 Hz BW (preamp off)
-135 dBm @ 10 MHz, 500 Hz BW (preamp on)
Phase noise -145 dBc/Hz @ 10 kHz
RSSI accuracy 2 dB typ.
RSSI sensitivity -140 dBm
Processing and recording bandwidth
(DDC bandwidth)
20 kHz - 32 MHz
(selectable in 33 steps)
Demodulation bandwidth
(selectivity)
1 Hz - 64 kHz
(continuously variable in 1 Hz steps)
Spectrum analyzers Input spectrum/waterfall, 32 or 45 MHz wide, 1.5 kHz resolution bandwidth
DDC spectrum/waterfall, max 32 MHz wide, 1 Hz resolution bandwidth
Channel spectrum, max 64 kHz wide, 1 Hz resolution bandwidth
Demodulated audio, 24 kHz wide, 1 Hz resolution bandwidth
ADC 16 bit, 100 MSPS
Sensitivity
(typ. @ 10 MHz)
Preamp on:
AM-107 dBm (1.00 µV) @ 10 dB S+N/N, 30% modulation
SSB-121 dBm (0.20 µV) @ 10 dB S+N/N, 2.1 kHz BW
CW-128 dBm (0.09 µV) @ 10 dB S+N/N, 500 Hz BW
FM-116 dBm (0.35 µV) @ 12 dB SINAD, 3 kHz deviation, 12 kHz BW,
audio filter 300-3000 Hz, deemphasis -6dB/oct

Preamp off:

AM-100 dBm (2.23 µV) @ 10 dB S+N/N, 30% modulation
SSB-114 dBm (0.45 µV) @ 10 dB S+N/N, 2.1 kHz BW
CW-121 dBm (0.20 µV) @ 10 dB S+N/N, 500 Hz BW
FM-109 dBm (0.80 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:

 Preamp OnPreamp Off
200 kHz   -127 dBm   -120 dBm
100 kHz   -126 dBm   -120 dBm
50 kHz   -123 dBm   -119 dBm
25 kHz   -121 dBm   -117 dBm
10 kHz   -93 dBm   -116 dBm
3 kHz      -114 dBm
1 kHz      -104 dBm
Preselection filters 18 filters available in automatic or manual mode (4 high pass, 4 low pass and 10 bandpass combinations) + bypass
HPF: 850 kHz, 2.4 MHz, 5.4 MHz, 11.8 MHz
LPF: 3.1 MHz, 5.4 MHz, 11.8 MHz, 23.3 MHz
Antenna input 50 ohm (SMA connector)
Maximum input level +30 dBm (attenuator off)
Output Digital:
24-bit digitized I&Q signal over USB interface

Analog:
2 channels, 30 Hz 20 kHz, 50 mVpp into min. load 16 Ohm, 3.5 mm jack

Interface PCI Express
Power supply Without external power:
8.6 W max., 1.6 W standby

With external power:
6.2 W max (from ext. connector), 2.4 W max. (from PCIe bus),
1.6 W max. standby (from PCIe bus only)

Operating temperature 0 to 50 °C

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