Icom IC-91A Instruction Manual page 127

D Receiver
• Receive system :
FM/AM Double-conversion superheterodyne
WFM Triple-conversion superheterodyne
• Intermediate frequencies :
1st A band 61.65 MHz/59.25 MHz
B band 46.35 MHz
2nd 450 kHz/13.35 MHz
3rd 1.95 MHz
• Sensitivity
(except spurious points)
AM
(1 kHz/30% Mod.; 10 dB S/N)
0.495–4.995 MHz 1.3 µV typ.
5.000–29.995 MHz 0.56 µV typ.
118.000–137.000 MHz 0.5 µV typ.
222.000–246.995 MHz 0.79 µV typ.
247.000–329.995 MHz 1 µV typ.
FM
(1 kHz/3.5 kHz Dev.; 12 dB SINAD)
VHF 0.14 µV typ.
(Amateur band only)
UHF 0.16 µV typ.
(Amateur band only)
1.625–29.995 MHz 0.4 µV typ.
30.000–117.995 MHz 0.25 µV typ.
118.000–173.995 MHz 0.18 µV typ.
174.000–349.995 MHz 0.32 µV typ.
350.000–469.995 MHz 0.22 µV typ.
470.000–599.995 MHz 0.32 µV typ.
600.000–999.990 MHz 0.56 µV typ.
WFM
(1 kHz/52.5 kHz Dev.; 12 dB SINAD)
76.000–108.000 MHz 1 µV typ.
175.000–221.995 MHz 1.8 µV typ.
470.000–770.000 MHz 2.5 µV typ.
DV
(digital/PN9 4.8 kbps; BER 1%)
Amateur bands 0.22 µV typ.
(WFM)
(WFM)
(WFM only)
:
†
• Selectivity :
FM , AM More than 50 dB
(Wide)
FM , DV † More than 45 dB
(Narrow)
WFM More than 300 kHz/–3 dB
Less than 700 kHz/–20 dB
• Spurious and image rejection ratio:
VHF More than 60 dB
UHF More than 50 dB
(Intermediate freq.; More than 60 dB)
• Audio output power : More than 200 mW at 10% distortion
with an 8 Ω load
(at 7.4 V DC)
• Ext. speaker connector : 3-conductor 3.5(d) mm; (
†
Available for the IC-91AD or when UT-121 is installed into the IC-91A.
14
SPECIFICATIONS
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