Specifications - Icom IC-756 Instruction Manual

12
E General
e Frequency coverage:
Receive
Transmit
e Mode
Number of memory
channels
e Antenna connector
e Usable temperature
range
e Frequency stability
e Frequency resolution:
: 13.8 V +15% (negative ground) e Power supply
requirement
e Current consumption:
SPECIFICATIONS
0.030-60.000 MHz*!
1.800- 1.999 MHz*?
3.500- 3.999 MHz*2
7.000- 7.300 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
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
: 101 (99 regular, 2 scan edges)
: PL-239x2 and
phono (RCA, 50 Q)
: —10°C to 60°C (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.
1 Hz
Transmit max. power 20A
Receive standby 2.5 A
max. audio 2.7 A
e Dimensions : 340(W) x 111(H)x285(D) mm
13% (W) x43% (H) x 11 7⁄2 (D) in
e Weight : 10.5 kg (23 Ib 2 oz)
¢CI-V connector : 2-conductor 3.5(d) mm (¥%")
E Transmitter
e Output power (continuously adjustable):
SSB/CW/RTTY/FM 2-100 W
AM 1—40 W
e Modulation system
SSB, AM
FM —
e Spurious emissions
e Carrier suppression
e Unwanted sideband
suppression
e ATX variable range
` PSN modulation
Variable reactance modulation
: 50 dB (HF bands)
60 dB (50 MHz band)
: 40 dB
: 55 dB
: +9.999 kHz
e Microphone connector: 8-pin connector (600 2)
e ELEC-KEY connector : 3-conductor 6.35(d) mm (14")
KEY connector : 3-conductor 6.35(d) mm (1⁄4")
e SEND connector : Phono (RCA)
e ALC connector : Phono (RCA)
E Receiver
e Intermediate frequencies:
O p se fown aw [aw
[pra [Csia | ssie | assie | asi |
[e [eseese —
e Sensitivity :
SSB, CW, RTTY 0.16 uV (1.80-—29.99 MHz)*!
(10 dB S/N) 0.13 pV (50.0-54.0 MHz)*2
AM 13 pV (0.5-1.799 MHz)
(10 dB S/N) 2 uV (1.80-29.99 MHz)*!
FM 0.5 uV (28.0—29.99 MHz)*!
(12 dB SINAD) 0.32 uV (50.0-54.0 MHz)*2
*!Pre-amp 1 ON; *2 Pre-amp 2 ON i
e Squelch sensitivity (threshold):
SSB, CW, RTTY Less than 5.6 pV
FM Less than 1.0 pV
e 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
e Spurious and image : More than 70 dB
rejection ratio (except IF through in 50 MHz
band)
e ARIT variable range : +9.999 kHz
: More than 2.0 W at 10%
distortion with an 8 Q load
: 3-conductor 6.35(d) mm (%4")
: 2-conductor 3.5(d) mm (1%")/
8Q
e Audio output power
(at 13.8 V DC)
e. PHONES connector
*EXT SP connector
E Antenna tuner
¢Matching impedance range:
HF bands 16.7 to 150 Q unbalanced
(Less than VSWR 3:1)
50 MHz band 20 to 125 Q unbalanced
(Less than VSWR 2.5:1)
Minimum operating : 8 W (HF bands)
input power 15 W (50 MHz band)
: VSWR 1.5:1 or less
: Less than 1.0 dB
e Tuning accuracy
e Insertion loss
(after tuning)