Icom IC-T81E Service Manual page 4

Multiband fm transceiver
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SECTION 1
M
GENERAL
• Frequency range
Version
U.S.A.
Australia
S.E.Asia
Europe, U.K.
Italy
1
*
Specifications guaranteed 144 – 148 MHz, *
3
*
Specifications guaranteed 440 – 450 MHz, *
• Mode
• No. of memory channels
• Frequency stability
• Tuning steps
• Usable tempareture range
• Usable battery pack/case
• Power supply requirement
• Polarity
• Frequency resplution
• Current drain (at 13.5 V DC)
• Anntena connector
• Dimensions (projections not included) : 58(W)
• Weight (with BP-197/Ant.)
M
TRANSMITTER
• Output power
(at 13.5 V DC)
• Modulation system
• Max. freq. deviation
• Spurious Emissions
• External MIC connector
SPECIFICATIONS
:
145 MHz
50 MHz
TX: 144 – 148
50 – 53.995
RX: 118 – 173.995
50 – 53.995
144 – 148
TX: 136 – 173.995
50 – 53.995
RX: 118 – 173.995
50 – 52
144 – 146
TX: 136 – 173.995
50 – 52
RX: 118 – 173.995
: FM and AM (RX only), WFM (Rx only)
: 124 (incl. 10 pairs of scan edges and 4 call channels)
: ±3 ppm max.
–10˚C to +60˚C; 14˚F to 140˚F)
(
: 5
, 10, 12.5, 15
, 20, 25, 30, 50 and 100 kHz
*
*
Not available for 1200 MHz band
*
: –10˚C to +60˚C; 14˚F to 140˚F
: BP-198, BP-199, BP-200 and BP-197
: 4.5 – 16 V DC or specified battery pack
: Negative ground
: 5 kHz and 12.5 kHz (10 kHz and 12.5 kHz for 1200 MHz band)
: (typical value)
High power
TX
Low power
Rated output
Standby
RX
Power saved
: SMA (50 Ω)
106(H)
28.5(D) mm; 2
: 290 g; 10.2 oz
: High
5.0 W typical (1.0 W at 1200 MHz band)
Low
1.0 W typical (0.1 W at 1200 MHz band)
: Variable reactance modulation
: ±5 kHz
: Less than –60 dB (50 MHz, 144 MHz and 440 MHz)
Less than –40 dB (other)
Less than –50 dB (Europe version at 1200 MHz)
: 3-conductor 2.5(d) mm (
440 MHz
TX: 430 – 450
*
1
RX: 400 – 469.995
*
430 – 440
1
*
400 – 469.995
*
1
*
430 – 440
1
*
400 – 469.995
*
1
*
2
Specifications guaranteed 430 – 440 MHz
4
Not guaranteed
50/144 MHz
1.4 A
0.6 A
80 mA (at 9.6 V)
40 mA (at 9.6 V)
5
(
)
4
3
(
W
H
16
16
1
); 2 kΩ
8"
1 - 1
1200 MHz
91.5 MHz (RX only)
3
1240 – 1300
76 – 107.995
3
*
1240 – 1300
88 – 107.995
1240 – 1300
76 – 107.995
2
1240 – 1300
88 – 107.995
1240 – 1300
88 – 107.995
2
440 MHz
1200 MHz
1.3 A
0.8 A
0.5 A
0.4 A
220 mA
)
1
1
(
) in
D
8
*
4
4
*
*
4
4
*
*
4

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