Specifications - Icom IC-T70A Service Manual

SECTION 1.
P
GENERAL
• Frequency coverage :
Version TX
EUR, KOR 144–146, 430–440
UK, RSP 144–146, 430–440
3
U.S.A. 136–174* , 400–479*
TPE 144–146, 430–432
AUS 144–148, 420–450*
3
CHN, EXP 136–174* , 400–470*
1
* Guaranteed 144–146 MHz only, *
3
* Guaranteed 144–148 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
• 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
standby Less than 90 mA
• Antenna connector : SMA (50 )
• Dimensions : 58(W)×111(H)×30(D) mm;
2
(projections not included)
• Weight : 380 g; 13.4 oz
(approx.)

SPECIFICATIONS

(unit: MHz)
RX
144–146, 430–440
1
136–174* , 400–479*
4 3
136–174* , 400–479*
144–146, 430–432
2 3
136–174* , 400–479*
2 3
136–174* , 400–479*
2
Guaranteed 430–440 MHz only,
4
Guaranteed 440–450 MHz only
(–20°C to +60°C; –4°F to +140°F)
(Duty 1:8)
9 3 3
⁄ (W)×4 ⁄ (H)×1 ⁄ (D) in
32 8 16
(with antenna and BP-264)
P
TRANSMITTER
• Modulation system
• Output power
(at 7.2 V DC)
• Max. frequency deviation : ±5.0 kHz
2
4
• Spurious emissions
2
• Ext. mic. impedance
2
P
D Receiver
RECEIVER
• Receive system
• 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
• Squelch Sensitivity
Guaranteed range
Other frequency range
• Audio output power
Internal speaker
External speaker
• Selectivity
FM
(Wide)
FM
(Narrow)
• Ext. speaker connector
• Spurious and image rejection ratio (in guaranteed freq. range) :
All stated specifications are subject to change without notice or obligation.
All stated specifi cations are subject to change without notice or obligation.
1 - 1
: Variable reactance freq. modulation
: (typical)
High 5.0 W, Mid. 2.5 W, Low 0.5 W
(FM wide: approx.)
±2.5 kHz
(FM narrow: approx.)
: Less than –60 dBc at High/Mid.
Less than –13 dBm at Low
: 2.2 k
: Double-conversion superheterodyne
Less than 0.32 μV
(except spurious points, 1 kHz/3.5 kHz Dev.)
Less than 0.18 μV
Less than 0.32 μV
:
(at 10% distortion/7.2 V DC)
More than 700 mW with a 16
More than 400 mW with an 8
:
(at CH spacing 20 kHz/in the amateur bands)
More than 60 dB
More than 60 dB
: 3-conductor 3.5(d) mm; (
More than 60 dB
:
:
load
load
1
⁄ ˝)/8
8