![background image](http://html.mh-extra.com/html/icom/ic-756pro-iii/ic-756pro-iii_instruction-manual_612290082.webp)
• General
• Frequency coverage
:
Receive
0
0.030–60.000 MHz*
1,
*
2
Transmit
0
1.800–
0
1.999*
2
0
3.500–
0
3.999*
2
0
7.000–
0
7.300*
2
10.100–10.150*
2
14.000–14.350*
2
18.068–18.168*
2
21.000–21.450*
2
24.890–24.990*
2
28.000–29.700*
2
50.000–54.000*
2
*
1
Some frequency bands are not guaranteed.
*
2
Depending on version
• Mode
: USB, LSB, CW, RTTY, AM,
FM
• Number of memory
: 101
(99 regular, 2 scan edges)
channels
• Antenna connector
: SO-239
×
2 and phono
(RCA; 50
Ω
)
• Temperature range
: –10˚C to +50˚C;
+14˚F to +122˚F
• Frequency stability
: Less than ±0.5 ppm 1 min.
after power on.
(–10 to 50˚C;
+14 to +122˚F)
• Frequency resolution : 1 Hz
• Power supply
: 13.8 V DC ±15%
• Power consumption
:
Transmit
Max. power
23 A
Receive
Standby
3.0 A (typ.)
Max. audio
3.5 A (typ.)
• Dimensions
: 340
(W)
×
111
(H)
×
285
(D)
mm
(projections not included)
18
3
⁄
8
(W)
×
4
3
⁄
8
(H)
×
11
7
⁄
32
(D)
in
• Weight
(approx.)
: 9.6 kg; 21 lb 1 oz
• ACC 1 connector
: 8-pin DIN connector
• ACC 2 connector
: 7-pin DIN connector
• CI-V connector
: 2-conductor 3.5 (d) mm (
1
⁄
8
˝)
• Display
: 5-inch (diagonal) TFT color
LCD
• Transmitter
• Output power
(continuously adjustable)
:
SSB/CW/RTTY/FM
5–100 W
AM
5–40 W
• Modulation system
:
SSB
PSN modulation
AM
Low power modulation
FM
Phase modulation
• Spurious emission
: 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
• 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
(1.80–29.99 MHz)
*
1
(10 dB S/N)
0.13 µV
(50.0–54.0 MHz)
*
2
AM
(10 dB S/N)
13 µV
(0.5–1.799 MHz)
2 µV
(1.80–29.99 MHz)
*
1
1 µV
(50.0–54.0 MHz)
FM
(12 dB SINAD)
0.5 µV
(28.0–29.99 MHz)
*
1
0.32 µV
(50.0–54.0 MHz)
*
2
*
1
Pre-amp 1 is ON, *
2
Pre-amp 2 is ON
• Squelch sensitivity
(Pre-amp: OFF)
:
SSB, CW, RTTY
Less than 5.6 µV
FM
Less than 1 µV
• Selectivity
:
SSB, RTTY
More than 2.4 kHz/–6 dB
(BW: 2.4 kHz)
Less than 2.8 kHz/–60 dB
CW
(BW: 500 Hz)
More than 500 Hz/–6 dB
Less than 700 Hz/–60 dB
AM
(BW: 6 kHz)
More than 6.0 Hz/–6 dB
Less than 15.0 Hz/–60 dB
FM
(BW: 15 kHz)
More than 12.0 Hz/–6 dB
Less than 20.0 Hz/–60 dB
• Spurious and image
: More than 70 dB
rejection ratio
(except IF through on 50 MHz
band)
• AF output power
: More than 2.0 W at 10%
(at 13.8 V DC)
distortion with an 8
Ω
load
• RIT variable range
: ±9.999 kHz
• PHONES connector
: 3-conductor 6.35 (d) mm
(
1
⁄
4
˝)
• External 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
input power
• Tuning accuracy
: VSWR 1.5:1 or less
• Insertion loss
: Less than 1.0 dB
(after tuning)
14
80
SPECIFICATIONS
All stated specifications are typical and subject to change without notice or obligation.