Specifications - Icom IC-756 Instruction Manual

12

SPECIFICATIONS

General
• Frequency coverage:
Receive
Transmit
• Mode
• Number of memory : 101
channels
• Antenna connector : PL-239 2 and
• Usable temperature : –10°C to 60°C
range
• Frequency stability
• Frequency resolution : 1 Hz
• Power supply
requirement
• Current consumption :
Transmit max. power
Receive standby
max. audio
• Dimensions
• Weight
• CI-V connector
Transmitter
• Output power
(continuously adjustable)
SSB/CW/RTTY/FM 2–100 W
AM
• Modulation system
SSB, AM
FM
• Spurious emissions : 50 dB
• Carrier suppression : 40 dB
• Unwanted sideband : 55 dB
suppression
• ∂TX variable range : ± 9.999 kHz
67
1
10.030–60.000 MHz*
2
01.800–01.999 MHz*
2
03.500–13.999 MHz*
2
07.000–17.300 MHz*
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
2
50.000–54.000 MHz*
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.
: USB, LSB, CW, RTTY, AM,
FM
(99 regular, 2 scan edges)
phono (RCA, 50 )
(14°F to 140°F)
: 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.
: 13.8 V ± 15%
(negative ground)
20 A
2.5 A
2.7 A
: 340 111 285
(W) (H) (D)
3 3 7
13 ⁄ 4 ⁄ 11 ⁄
(W) (H)
8 8 32
: 10.5 kg (23 lb 2 oz)
1
: 2-conductor 3.5 mm (
(d)
:
1–40 W
:
PSN modulation
Variable reactance modulation
(HF bands)
60 dB
(50 MHz band)
• Microphone connector: 8-pin connector
• ELEC-KEY connector : 3-conductor 6.35
• KEY connector
• SEND connector
• ALC connector
Receiver
• Intermediate frequencies:
SSB
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
4th 15.625 kHz 15.625 kHz 15.625 kHz
• Sensitivity
SSB, CW, RTTY
(10 dB S/N)
AM
(10 dB S/N)
FM
(12 dB SINAD)
1
* Pre-amp 1 ON; *
• Squelch sensitivity
SSB, CW, RTTY
FM
• Selectivity
SSB, CW, RTTY
AM
FM
• Spurious and image : More than 70 dB
rejection ratio
• ∂RIT variable range : ± 9.999 kHz
mm
• Audio output power : More than 2.0 W at 10%
in
(D)
(at 13.8 V DC)
• PHONES connector : 3-conductor 6.35
⁄ ")
8
• EXT SP connector
Antenna tuner
• Matching impedance range:
HF bands
50 MHz band
• Minimum operating : 8 W
input power
• Tuning accuracy
• Insertion loss
(after tuning)
(600 )
mm (
(d)
: 3-conductor 6.35 mm (
(d)
: Phono (RCA)
: Phono (RCA)
CW, RTTY AM
455 kHz 455 kHz 455 kHz
:
0.16 µV (1.80–29.99 MHz)*
0.13 µV (50.0–54.0 MHz)*
13 µV (0.5–1.799 MHz)
2 µV (1.80–29.99 MHz)*
0.5 µV (28.0–29.99 MHz)*
0.32 µV (50.0–54.0 MHz)*
2
Pre-amp 2 ON
:
(threshold)
Less than 5.6 µV
Less than 1.0 µV
:
More than 2.4 kHz/– 6 dB
Less than 3.8 kHz/– 60 dB
More than 9.0 kHz/– 6 dB
Less than 20 kHz/– 60 dB
More than 15 kHz/– 6 dB
Less than 30 kHz/– 60 dB
(except IF through in 50 MHz
band)
distortion with an 8
mm (
(d)
: 2-conductor 3.5 mm (
(d)
8
16.7 to 150 unbalanced
(Less than VSWR 3:1)
20 to 125 unbalanced
(Less than VSWR 2.5:1)
(HF bands)
15 W
(50 MHz band)
: VSWR 1.5:1 or less
: Less than 1.0 dB
1
⁄ ")
4
1
⁄ ")
4
FM
—
1
2
1
1
2
load
1
⁄ ")
4
1
⁄ ")/
8