Specifications And Options; Antenna Tuner - Icom IC-718 Instruction Manual

General
• Frequency coverage : (unit: MHz)
Receive
1 2
0.030–60.000* *
Transmit
2
1.800–1.999* ,
3 3
5.33050* , 5.34650* , 5.36650*
3 3
5.37150* , 5.40350* ,
2
7.000–7.300* ,
2
14.000–14.350* ,
2
21.000–21.450* ,
2
28.000–29.700* ,
1
*
Some frequency bands are not guaranteed.
2
*
Depending on version.
• Mode : USB, LSB, CW, RTTY, PSK,
AM, FM
• No. of memory channels : 101
: SO-239 × 2 and phono jacks
• Antenna connector
(RCA; 50 ø)
: ±0˚C to +50˚C
• Temperature range
; +32˚F to +122˚F
• Frequency stability : Less than ±0.5 ppm 1 min. after
power ON.
to +122˚F)
• Frequency resolution : 1 Hz
• Power supply : 13.8 V DC ±15%
(negative ground)
• Power consumption
Transmit : Max. power
Receive : Standby
Max. audio
: 340(W) × 116(H) × 279.3(D) mm
• Dimensions
3
13
(projections not included)
• Weight (approx.) : 10.0 kg; 22 lb
• ACC 1 connector : 8-pin DIN connector
• ACC 2 connector : 7-pin DIN connector
• CI-V connector : 2-conductor 3.5 (d) mm (
• Display : 5.8-inch
TFT color LCD
Transmitter
• Output power
(continuously adjustable)
SSB/CW/RTTY/FM : Less than 2 to 100 W
AM : Less than 1 to 30 W
• Modulation system
SSB : PSN modulation
AM : Low power modulation
FM : Phase modulation
• Spurious emission
HF bands : Less than –50 dB
50 MHz band : Less than –63 dB
• Carrier suppression : More than 40 dB
• Unwanted sideband
suppression : More than 55 dB
• ∂TX variable range
: ±9.999 kHz
• Microphone connector : 8-pin connector
• ELEC-KEY connector : 3-conductor 6.35(d) mm (
• KEY connector : 3-conductor 6.35(d) mm (
• SEND connector : Phono jack
• ALC connector : Phono jack

SPECIFICATIONS AND OPTIONS

2
3.500–3.999* ,
3
,
2
10.100–10.150* ,
2
18.068–18.168* ,
2
24.890–24.990* ,
2
50.000–54.000*
3
*
USA version only.
(99 regular, 2 scan edges)
(±0˚C to +50˚C; +32˚F
23 A
3.0 A
3.5 A
(W) × 4 (H) × 11(D) in
9
⁄ ⁄
8 16
")
1
⁄
8
(diagonal)
(600 ø)
")
1
⁄
4
")
1
⁄
4
(RCA)
(RCA)
Receiver
• Receive system : Double superheterodyne
system
• Intermediate frequencies :
1st : 64.455 MHz
2nd 36 kHz
• Sensitivity (typical)
SSB, CW, RTTY : 0.15 μV
0.12 μV
(10 dB S/N) BW=2.4 kHz
AM : 6.3 μV
(10 dB S/N)
2 μV
BW=6 kHz
1.6 μV
FM : 0.5 μV
(12 dB SINAD)
0.3 μV
BW=15 kHz
1 2
* Pre-amp 1 is ON, * Pre-amp 2 is ON
• Squelch sensitivity
(Pre-amp: ON)
SSB : Less than 3.2 μV
FM : Less than 0.3 μV
• Selectivity
SSB (BW: 2.4 kHz) : More than 2.4 kHz/–6 dB
Less than 3.8 kHz/–60 dB
CW (BW: 500 Hz) : More than 500 Hz/–6 dB
Less than 900 Hz/–60 dB
RTTY (BW: 350 Hz) : More than 350 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
(IF filter shape is set to SHARP.)
• Spurious and image : More than 70 dB
rejection ratio
• AF output power : More than 2.0 W at 10%
distortion with an 8 ø load
(at 13.8 V DC)
• RIT variable range : ±9.999 kHz
• PHONES connector : 3-conductor 6.35 (d) mm (
• External SP connector : 2-conductor 3.5 (d) mm
1
( ⁄
8

Antenna tuner

• Matching impedance range
: 16.7 to 150 ø unbalanced
HF bands
(Less than VSWR 3:1)
: 20 to 125 ø unbalanced
50 MHz band
(Less than VSWR 2.5:1)
• Minimum operating input : 8 W power
• Tuning accuracy : VSWR 1.5:1 or less
• Insertion loss : Less than 1.0 dB
(after tuning)
13
1
*
(1.80–29.99 MHz)
2
*
(50.0–54.0 MHz)
1
*
(0.1–1.799 MHz)
1
*
(1.80–29.99 MHz)
2
*
(50.0–54.0 MHz)
1
*
(28.0–29.99 MHz)
2
*
(50.0–54.0 MHz)
")
1
⁄
4
")/8 ø
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
159