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Icom IC-7400 Manual

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99
SPECIFICATIONS
2001 NEW
• General
• Frequency coverage : (Unit: MHz)
Receive 0.030– 60.000000*
1
*
2
144.000– 146.000000
Transmit 1.800– 1.999999*
2
3.500– 3.999999*
2
7.000– 7.300000*
2
10.100– 10.150000*
2
14.000– 14.350000*
2
18.068– 18.168000*
2
21.000– 21.450000*
2
24.890– 24.990000*
2
28.000– 29.700000*
2
50.000– 54.000000*
2
144.000– 146.000000
*
1
Some frequency ranges are not guaranteed.
*
2
Depending on version.
• Mode : USB, LSB, CW, RTTY, AM, FM
• No. of memory ch. : 102
(99 regular, 2 scan edges and 1
call)
• Antenna connector : SO-239×3 (2 for HF/50 MHz and 1
for 144 MHz; 50 Ω)
• Operating temp. range : –10˚C to +60˚C ; +14˚F to +140˚F
• Frequency stability : Less than ±7 ppm from 1 min. to
60 min. after power ON. After
that, rate of stability is less than
±1 ppm/hr. at 25˚C
(+77˚F).
Temperature fluctuations 0˚C to
+50˚C
(+20˚F to +122˚F) less than
±5 ppm.
• Frequency resolution : 1 Hz
• Power supply : 13.8 V DC ±15%
(negative ground)
• Power consumption :
Transmit Max. power 23.0 A
Receive Standby 2.2 A
Max. audio 3.0 A
• Dimensions : 287(W)×120(H)×316.5(D) mm
(projections not incl.)
13
5
⁄
16
(W)×4
23
⁄
32
(H)×12
15
⁄
32
(D) in
• Weight (approx.) : 9.0 kg; 19 lb 13 oz
• ACC 1 connector : 8-pin DIN connector
• ACC 2 connector : 7-pin DIN connector
• DATA connector : Mini DIN 6-pin
• CI-V connector : 2-conductor 3.5 (d) mm (
1
⁄8″)
• Transmitter
•Output power (continuously adjustable):
SSB/CW/RTTY/FM Less than 5 to 100 W
AM Less than 5 to 40 W
• Modulation system :
SSB PSN modulation
AM Low power modulation
FM Phase modulation
• Spurious emission : 50 dB
(HF bands)
60 dB (50/144 MHz)
• Carrier suppression : 40 dB
•Unwanted sideband : 55dB
suppression
• ∂TX variable range : ±9.99 kHz
• Mic. connector : 8-pin connector (600 Ω)
•
ELEC-KEY connector
:
3-conductor 6.35(d) mm
(
1
⁄4″)
• KEY connector :
3-conductor 6.35(d) mm
(
1
⁄4″)
• SEND connector : Phono
(RCA)
• ALC connector : Phono (RCA)
• Receiver
• Receive system : Triple conversion
superheterodyne system
• Intermediate frequencies:
1st 64.455 MHz
2nd 455 kHz
3rd 36 kHz
• Sensitivity
(typical) :
SSB, CW, RTTY 0.16 µV*
1
(1.80–29.99 MHz)
(10 dB S/N) 0.13 µV*
2
(50 MHz)
0.11 µV*
3
(144 MHz)
AM (10 dB S/N) 13 µV (0.5–1.799 MHz)
2 µV*
1
(1.80–29.99 MHz)
1 µV (50*
2
/144*
3
MHz)
FM (12 dB SINAD) 0.5 µV*
1
(28.0–29.99 MHz)
0.25 µV*
2
(50 MHz)
0.18 µV*
3
(144 MHz)
*
1
Pre-amp 1 is ON, *
2
Pre-amp 2 is ON, *
3
Pre-amp is ON
• Squelch sensitivity (Pre-amp: OFF)
:
SSB, CW, RTTY Less than 5.6 µV
FM Less than 1.0 µV
• Selectivity :
SSB
(BW: 2.4 kHz) More than 2.4 kHz/–6 dB
Less than 3.6 kHz/–60 dB
CW
(BW: 500 Hz) More than 500 Hz/–6 dB
Less than 700 Hz/–60 dB
RTTY
(BW: 350 Hz)
More than 360 Hz/–6 dB
Less than 650 Hz/–60 dB
AM
(BW: 6 kHz) More than 6.0 kHz/–6 dB
Less than 15.0 kHz/–60 dB
FM
(BW: 15 kHz) More than 12.0 kHz/–6 dB
Less than 20.0 kHz/–60 dB
• Spurious and image rejection ratio:
HF/50 MHz More than 70 dB
(except IF through
on 50 MHz band)
144 MHz More than 60 dB
• AF output power : More than 2.0 W at 10% distortion
(at 13.8 V DC) with an 8 Ω load
• RIT variable range : ±9.99 kHz
• PHONES connector : 3-conductor 6.35 (d) mm (
1
⁄4″)
• Ext. SP connector : 2-conductor 3.5 (d) mm (
1
⁄8″)/8 Ω
• Antenna tuner
• Matching impedance range:
HF bands 16.7 to 150 Ω unbalanced
(Less than VSWR 3:1)
50 MHz band 20 to 125 Ω unbalanced
(Less than VSWR 2.5:1)
• Minimum operating input power
:8 W
(HF bands)
15 W
(50 MHz band)
• Tuning accuracy : VSWR 1.5:1 or less
• Insertion loss : Less than 1.0 dB
(after tuning)
All stated specifications are typical and subject to change without no-
tice or obligation.
IC-7400.qxd 02.4.2 11:36 Page 99
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