Icom IC-756 - Manual (Page 70)

67
12
SPECIFICATIONS
■ General
• Frequency coverage:
Receive 1 0.030–60.000 MHz* 1
Transmit 0 1.800– 0 1.999 MHz* 2
0 3.500– 1 3.999 MHz* 2
0 7.000– 1 7.300 MHz* 2
10.100–10.150 MHz
14.000–14.350 MHz
18.068–18.168 MHz
21.000–21.450 MHz
24.890–24.990 MHz
28.000–29.700 MHz
50.000–54.000 MHz*
2
* 1 Some frequency bands are not
guaranteed.
* 2 1.830–1.850, 3.500–3.800,
7.000–7.100, 50.200–51.200
for France version.
• Mode : USB, LSB, CW, RTTY, AM,
FM
• Number of memory : 101 (99 regular, 2 scan edges)
channels
• Antenna connector : PL-239
×
2 and
phono (RCA, 50
Ω
)
• Usable temperature : –10°C to 60°C (14°F to 140°F)
range
• Frequency stability : Less than ± 200 Hz from 1
min. to 60 min. after power
ON. After that rate of stability
less than ± 30 Hz/hr. at +25 °C
(+77°F). Temperature fluctua-
tions 0 °C to +50 °C (+32 °F to
+122 °F) less than ± 350 Hz.
• Frequency resolution : 1 Hz
• Power supply
: 13.8 V ± 15% (negative ground)
requirement
• Current consumption :
Transmit max. power 20 A
Receive standby 2.5 A
max. audio 2.7 A
• Dimensions : 340 (W)
×
111 (H)
×
285 (D) mm
13 3 ⁄
8 (W)
×
4 3 ⁄
8 (H)
×
11 7 ⁄
32 (D) in
• Weight : 10.5 kg (23 lb 2 oz)
• CI-V connector : 2-conductor 3.5 (d) mm ( 1 ⁄ 8 ")
■ Transmitter
• Output power (continuously adjustable) :
SSB/CW/RTTY/FM 2–100 W
AM
1–40 W
• Modulation system :
SSB, AM PSN modulation
FM Variable reactance modulation
• Spurious emissions : 50 dB (HF bands)
60 dB (50 MHz band)
• Carrier suppression : 40 dB
• Unwanted sideband : 55 dB
suppression
• ∂ TX variable range : ± 9.999 kHz
• Microphone 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
• Intermediate frequencies:
• Sensitivity :
SSB, CW, RTTY 0.16 µV (1.80–29.99 MHz)* 1
(10 dB S/N) 0.13 µV (50.0–54.0 MHz)* 2
AM 13 µV (0.5–1.799 MHz)
(10 dB S/N) 2 µV (1.80–29.99 MHz)* 1
FM 0.5 µV (28.0–29.99 MHz)* 1
(12 dB SINAD) 0.32 µV (50.0–54.0 MHz)* 2
* 1 Pre-amp 1 ON; * 2 Pre-amp 2 ON
• Squelch sensitivity (threshold) :
SSB, CW, RTTY Less than 5.6 µV
FM Less than 1.0 µV
• Selectivity :
SSB, CW, RTTY More than 2.4 kHz/– 6 dB
Less than 3.8 kHz/– 60 dB
AM More than 9.0 kHz/– 6 dB
Less than 20 kHz/– 60 dB
FM More than 15 kHz/– 6 dB
Less than 30 kHz/– 60 dB
• Spurious and image : More than 70 dB
rejection ratio (except IF through in 50 MHz
band)
• ∂ RIT variable range : ± 9.999 kHz
• Audio output power : More than 2.0 W at 10%
(at 13.8 V DC) distortion with an 8
Ω
load
• 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 : 8 W (HF bands)
input power 15 W (50 MHz band)
• Tuning accuracy : VSWR 1.5:1 or less
• Insertion loss : Less than 1.0 dB
(after tuning)
SSB CW, RTTY AM FM
1st 69.0115 MHz 69.0106 MHz 69.0100 MHz 69.0115 MHz
2nd 9.0115 MHz 9.0106 MHz 9.0100 MHz 9.0115 MHz
3rd 455 kHz 455 kHz 455 kHz 455 kHz
4th 15.625 kHz 15.625 kHz 15.625 kHz —