Specifications - Icom IC-91A Service Manual

SECTION 1
GENERAL
• Frequency coverange
• Operating mode
• Memory channels
• Frequency stability
• Tuning steps
• Antenna impedance
• Power supply
• Digital transmission speed : 4.8 kbps
• Voice coding speed
• Current drain (at 7.4 V DC) :
TRANSMIT VHF High 2.1 A typ.
RECEIVE Stand-by
• Operating temp. range
• Dimensions
(projections not included)
• Weight (approx.)
TRANSMITTER
• Output power (at 7.4 V DC) : 5.0 W (High)
• Modulation system FM : Variable reactance frequency
†
DV
• Maximum deviation
• Spurious emissions
• Ext. mic. connector
†
Available for the IC-91AD or when UT-121 is installed into the
All stated specifi cations are subject to change without notice or obligation.

SPECIFICATIONS

:
†
: FM, AM * , WFM * , DV ( * RX only)
: 1304 channels
(Incl. 100 scan edges and 4 call ch.)
: ±2.5 ppm
(–20°C to +60°C; –4°F to 140°F)
‡ ‡ ‡ ‡
: 5 /6.25 /8.33 /9 /10/12.5/15/20/
25/30/50/100/125 and 200 kHz
: 50 Ω (SMA type)
: 10.0–16.0 V DC for external DC
power, or specifi ed Icom's battery
pack
†
†
: 2.4 kbps
Low 0.8 A (approx.)
UHF High 2.2 A typ.
Low 0.8 A (approx.)
170 mA typ.
(dualwatch; FM/DV
Max. audio 340 mA typ.
(dualwatch; FM/DV
: –20°C to +60°C; –4°F to 140°F
:
58.4 (W) × 103 (H) × 34.2 (D) mm
9 1 11
2 / (W) × 4 / (H) × 1 /
32 16 32
: 300 g; 10.6 oz
(antenna, BP-217 included)
0.5 W (Low; aprrox.)
modulation
GMSK reactance frequency
modulation
: ±5.0 kHz (FM wide: approx.)
±2.5 kHz (FM narrow: approx.)
: Less than –60 dB
'')/2 kΩ
1
: 3-conductor 2.5 (d) mm; ( /
10
RECEIVER
• Receiving system
• Intermediate frequencies
• Sensitivity
†
)
• Selectivity
†
FM (Wide), AM More than 50 dB
)
FM (Narrow), DV
(D) in
• Spurious image rejection
• Audio output power
(at 7.4 V DC)
• Ext. speaker connector
IC-91A.
1 - 1
:
†
FM/AM/DV Double-conversion
superheterodyne system
WFM Triple-conversion
superheterodyne system
:
1st A band 61.65/59.25 MHz (WFM)
B band 46.35 MHz
2nd 450 kHz/13.35 MHz (WFM)
3rd 1.95 MHz (WFM only)
: (except spurious points)
-
-
-
-
-
:
†
More than 45 dB
WFM More than 300 kHz/–3 dB
Less than 700 kHz/–20 dB
:
VHF More than 60 dB
UHF More than 50 dB
(IF; More than 60 dB)
: More than 200 mW
(at 10% distortion with an 8 Ω load)
: 3-conductor 3.5 (d) mm; (
'')/8 Ω
1
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8