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Icom IC-T70A Service Manual

Icom IC-T70A
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SECTION 1
.
SPECIFICATIONS
• Frequency coverage : (unit: MHz)
Version
TX RX
EUR, KOR 144–146, 430–440 144–146, 430–440
UK, RSP 144–146,
430–440 136–174*
1
, 400–479*
2
U.S.A. 136–174*
3
, 400–479*
4
136–174*
3
, 400–479*
4
TPE 144–146, 430–432 144–146, 430–432
AUS 144–148, 420–450*
2
136–174*
3
, 400–479*
2
CHN, EXP 136–174*
3
, 400–470*
2
136–174*
3
, 400–479*
2
*
1
Guaranteed 144–146 MHz only, *
2
Guaranteed 430–440 MHz only,
*
3
Guaranteed 144–148 MHz only, *
4
Guaranteed 440–450 MHz only
• Mode :
FM, FN-N
• No. of memory channels : 302
(incl. 50 scan edges and 2 call channels)
• Usable temp. range : –20°C to +60°C; –4°F to +140°F
• Tuning steps : 5, 10, 12.5, 15, 20, 25, 30, 50, 100,
125 and 200 kHz
• Frequency stability :
±2.5 ppm (–20°C to +60°C; –4°F to +140°F)
• Power supply : 10.0–16.0 V DC for external DC power,
or specified Icom’s battery pack
• Current drain
(at 7.2 V DC) :
TX High (typical) VHF 1.7 A, UHF 2.1 A
Mid. (typical) VHF 1.2 A, UHF 1.5 A
Low (typical) VHF 0.6 A, UHF 0.8 A
Rx Max. output Less than 450 mA (Internal speaker)
Less than 300 mA (External speaker)
Power save Less than 40 mA (Duty 1:8)
standby Less than
90 mA
• Antenna connector : SMA (50
:)
Dimensions : 58(W)×111(H)×30(D) mm;
(projections not included) 2
9
32(W)×4
3
8(H)×1
3
16(D) in
• Weight (approx.) : 380 g; 13.4 oz (with antenna and BP-264)
• Modulation system : Variable reactance freq. modulation
• Output power (at 7.2 V DC) : (typical)
High 5.0 W, Mid. 2.5 W, Low 0.5 W
• Max. frequency deviation : ±5.0 kHz (FM wide: approx.)
±2.5 kHz (FM narrow: approx.)
• Spurious emissions : Less than –60 dBc at High/Mid.
Less than –13 dBm at Low
• Ext. mic. impedance : 2.2 k:
D Receiver
• Receive system : Double-conversion superheterodyne
• Intermediate frequencies : 1st 46.35 MHz, 2nd 450 kHz
• Sensitivity (except spurious points, 1 kHz/3.5 kHz Dev.; 12 dB SINAD) :
Guaranteed freq. range Less than 0.18 μV
Other freq. range Less than 0.32 μV
• Squelch Sensitivity (except spurious points, 1 kHz/3.5 kHz Dev.) :
Guaranteed range Less than 0.18 μV
Other frequency range Less than 0.32 μV
• Audio output power : (at 10% distortion/7.2 V DC)
Internal speaker More than 700 mW with a 16 : load
External speaker More than 400 mW with an 8 : load
• Selectivity :
(at CH spacing 20 kHz/in the amateur bands)
FM (Wide) More than 60 dB
FM (Narrow) More than 60 dB
• Ext. speaker connector : 3-conductor 3.5(d) mm; (
1
8˝)/8 :
• Spurious and image rejection ratio (in guaranteed freq. range) :
More than 60 dB
All stated specifications are subject to change without notice or obligation.
All stated specifi cations are subject to change without notice or obligation.
P
GENERAL
P
TRANSMITTER
P
RECEIVER
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Icom IC-T70A Specifications

General IconGeneral
Operating frequency144 – 148, 440 – 450 MHz
Display typeLCD
Backlight displayYes
Antenna connector typeFA-S270C
Number of antenna connectors1
Battery typeBP-265
Product colorBlack
Operating temperature (T-T)-20 - 60 °C
Number of batteries included1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Depth30 mm
Width58 mm
Height111 mm
Weight380 g

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