61
ColibriDDC User Manual
© 2022 Expert Electronics
ExpertSDR2 SOFTWARE DESCRIPTION
4
TECHNICAL CHARACTERISTICS
4.1
Receiver
Charact erist ic
Value
RX frequency range, MHz
0.1...55 (0.1...60 in older version)
RX frequency range in undersampling mode, MHz
0.1...800
ADC type
ADS4145 (LTC2261-14 in
older version)
RF ADC clock frequency, MHz
125
RF ADC resolution, bit
14
Built-in audio DAC resolution, bit
24
Independent software receivers
2 (+2 SubRX)
Sample rate for each receiver, kHz
39; 78; 156; 312 @ 24 bit
Sensitivity in CW mode, bandwidth 500 Hz
1...62.5 MHz: 0.41 uV
Noise floor, dBm
-130
Blocking Dynamic Range (BDR) on HF, dB
110
Blocking Dynamic Range (BDR) on VHF, dB
106
Local oscillator (TCXO), ppm
16 +/- 2.5 (20 +/- 0.5 in older version)
Local attenuator, dB
-20 dB; 0 dB
ColibriDDC has an LPF for HF bands: 0-60 MHz (Chebyshev I - 7 Order)
Optional HF octave BPF parameters:
1.73-2.6 MHz (Chebyshev I - 7 Order)
2.6-4.3 MHz (Chebyshev I - 3 Order)
4.3-6.5 MHz (Chebyshev I - 3 Order)
6.5-7.9 MHz (Chebyshev I - 3 Order)
7.9-13.0 MHz (Chebyshev I - 3 Order)
13.0-15.9 MHz (Chebyshev I - 3 Order)
15.9-21.0 MHz (Chebyshev I - 3 Order)
21.0-30.0 MHz (Chebyshev I - 3 Order)
ATT -20 dB
10 dB
Summary of Contents for ColibriDDC
Page 2: ......
