Icom IC-905 - Page 84

11-2
BASIC MANUAL
11
SPECIFICATIONS
D Receiver
• Receive system:
144/430 MHz band RF Direct Sampling
1200/2400/5600 MHz band Down Conversion IF Sampling
• Intermediate frequency:
1200 MHz band 1st 331 ~ 371 MHz
2400/5600 MHz band 1st 914 MHz band, 2nd 346 MHz band
• Sensitivity:
SSB/CW (Filter: SOFT, 10 dB S/N)
144/430/1200/2400 MHz band Less than –19 dBμV (0.11 μV)
5600 MHz band Less than –16 dBμV (0.15 μV)
AM (at 10 dB S/N)
144/430/1200/2400 MHz band Less than 0 dBμV (1.0 μV)
5600 MHz band Less than +3 dBμV (1.4 μV)
FM (at 12 dB SINAD)
144/430/1200/2400 MHz band Less than –15 dBμV (0.17 μV)
5600 MHz band Less than –12 dBμV (0.25 μV)
DV (1% BER (PN9))
144/430/1200/2400 MHz band Less than –9 dBμV (0.35 μV)
5600 MHz band Less than –6 dBμV (0.50 μV)
DD (1% BER (PN9))
1200/2400 MHz band Less than +4 dBμV (1.58 μV)
5600 MHz band Less than +7 dBμV (2.23 μV)
L Preamp is ON in the 144 MHz, 430 MHz, and 1200 MHz bands.
• Sensitivity for the European version:
SSB/CW (BW=2.4 kHz, Filter: SOFT, 12 dB SINAD)
144/430/1200/2400/5600 MHz band Less than –6 dBμVemf
AM (BW=4 kHz, 60% Modulation, 12 dB SINAD)
144/430/1200/2400/5600 MHz band Less than 0 dBμVemf
FM (BW=7 kHz, 60% Modulation, 12 dB SINAD)
144/430/1200/2400/5600 MHz band Less than –6 dBμVemf
L Preamp is ON in the 144 MHz, 430 MHz, and 1200 MHz bands.
• Selectivity (Filter: SHARP):
SSB (BW=2.4 kHz) More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
CW (BW=500 Hz) More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
RTTY (BW=500 Hz) More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
AM (BW=6 kHz) More than 6.0 kHz/–3 dB
Less than 15 kHz/–60 dB
FM (BW=15 kHz) More than 12.0 kHz/–6 dB
Less than 20 kHz/–60 dB
DV (Channel spacing=12.5 kHz) Less than –50 dB
DD (Channel spacing=300 kHz) Less than –40 dB
• Spurious and image rejection:
SSB/CW
144/430 MHz band More than 70 dB
1200/2400/5600 MHz band More than 50 dB
AM/FM/DV
144/430 MHz band More than 60 dB
1200/2400/5600 MHz band More than 50 dB
DD
1200/2400/5600 MHz band More than 50 dB