Icom IC-91A Instruction Manual page 130

15
SPECIFICATIONS
D Receiver
• Receive system : Double-conversion superheterodyne (FM/AM)
Triple-conversion superheterodyne (WFM)
• Intermediate frequencies :
1st (A band) 61.65 MHz/59.25 MHz (WFM)
1st (B band) 46.35 MHz
2nd
3rd
• Sensitivity
(except spurious points)
AM
(1 kHz/30% MOD.; 10 dB S/N)
0.495–4.995 MHz
5.000–29.995 MHz
118.000–137.000 MHz
222.000–246.995 MHz
247.000–329.995 MHz
FM
(1 kHz/3.5 kHz Dev.; 12 dB SINAD)
VHF
(Amateur band only)
UHF
(Amateur band only)
1.625–29.995 MHz
30.000–117.995 MHz
118.000–173.995 MHz
174.000–349.995 MHz
350.000–469.995 MHz
470.000–599.995 MHz
600.000–999.990 MHz
WFM
(1 kHz/52.5 kHz Dev.; 12 dB SINAD)
76.000–108.000 MHz
175.000–221.995 MHz
470.000–770.000 MHz
DV
(digital/PN9 4.8kpps; BER 1%)*
VHF
(Amateur band only)
UHF
(Amateur band only)
124
450 kHz/13.35 MHz (WFM)
1.95 MHz (WFM)
:
1.3 µV typ.
0.56 µV typ.
0.5 µV typ.
0.79 µV typ.
1 µV typ.
0.14 µV typ.
0.16 µV typ.
0.4 µV typ.
0.25 µV typ.
0.18 µV typ.
0.32 µV typ.
0.22 µV typ.
0.32 µV typ.
0.56 µV typ.
1 µV typ.
1.8 µV typ.
2.5 µV typ.
5
0.22 µV typ.
0.22 µV typ.
• Selectivity :
FM , AM More than 50 dB
(Wide)
FM , DV 5 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 60dB
UHF More than 50dB
(Intermediate freq.; More than 60dB)
• Audio output power : More than 20 mW at 10% distortion
with an 8 Ω load
(at 7.4 V DC)
• Ext. speaker connector : 4-conductor 3.5(d) mm; (
1
⁄ ˝)8Ω
8