Icom IC-718 Service Manual

SECTION 1 SPECIFICATIONS
1 - 1
■ GENERAL
• Frequency coverage :
Receive 0.030–29.999999 MHz*
1
Transmit 1.800–1.999 MHz*
2
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
*
1
Guaranteed range: 0.5–29.999999 MHz.
*
2
Varies accoding to version.
• Mode : USB, LSB, CW, AM, RTTY (FSK)
• No. of memory Ch. : 101 (99 regular, 2 scan edges)
• Freq. resolution : 1 Hz
• 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
fluctuations 0˚C to 50˚C (+32˚F to
+122˚F) less than ± 350 Hz.
•
Power supply requirement : 13.8 V DC ±15 %
(negative ground)
• Current consumption :
Transmit max. power 20.0 A
Receive stand-by 1.3 A
max. audio 2.0 A
• Usable temp. range : –10˚C to +60˚C (14˚F to 140˚F)
• Antenna connector : SO-239 (50 Ω)
• Dimensions : 240 (W)
✕ 95(H) ✕ 239(D) mm
(projection not included) 9
7
⁄16(W) ✕ 3
3
⁄4(H) ✕ 9
13
⁄32(D) in
• Weight : 3.8 kg (8 lb 6 oz)
• ACC connector : 13-pin
• REMOTE connector : 2-conductor 3.5(d) mm (
1
⁄8")
■ TRANSMITTER
• Modulation system :
SSB Balanced modulation
AM Low level modulation
• Output power :
SSB/CW/RTTY/FM 2–100 W
AM 2–40 W
• Spurious emission : Less than –50 dB below peak out-
put power
* spurious frequency ; below 30 MHz: –50 dB,
above 30 MHz: –60 dB
• Carrier suppression : More than 40 dB
• Unwanted sideband suppression:
More than 50 dB
• Mic. connector : 8-pin connector (600 Ω)
• KEY connector : 3-conductor 6.5(d) mm (
1
⁄4")
• SEND connector : Phono (RCA)
• ALC connector : Phono (RCA)
■ RECEIVER
• Receive system : Double-conversion
superheterodyne
• Sensitivity
(10 dB S/N) :
SSB, CW, RTTY 0.16 µV*
1
(1.8–29.999999 MHz)
AM 13 µV (0.5–1.799999 MHz)
2.0 µV*
1
(1.8–29.999999 MHz)
*
1
Pre-amp 1 ON
• Squelch sensitivity : Less than 5.6 µV (SSB)
• Selectivity :
SSB, CW, RTTY More than 2.1 kHz/–6 dB
Less than 4.5 kHz/–60 dB
AM More than 6.0 kHz/–6 dB
Less than 20.0 kHz/–40 dB
• Spurious and image rejection ratio:
More than 70 dB
(1.8–29.999999 MHz)
• Audio output power : More than 2.0 W
(at 13.8 V DC) at 10 % distortion with an 8 Ω load
• RIT variable range : ±1200 Hz
• PHONES connector : 3-conductor 6.5(d) mm (
1
⁄4")
• EXT SP connector : 2-conductor 3.5(d) mm (
1
⁄8") 8 Ω
All stated specifications are subject to change without notice or obligation.

Icom IC-718 Specifications

General

Input voltage	13.8 V
Output power	100 W
Frequency range	0.5 - 1.799999 MHz
Channels quantity	101 channels
Compatible products	AH-2B; AH-4; AH-710; AT-180; CT-17; FL-222; FL-257; FL-52A; FL-53A; HM-103; LC-156; MB-120; MB-62; MB-63; MB-72; OPC-581; OPC-587; OPC-589; OPC-599; PS-125; SM-20; SM-30; SP-10; SP-41; UT-102;
Display type	LCD
Manual	Yes
Product type	Portable CB radio
Product color	Black
Housing material	Steel

Weight and Dimensions

Depth	239 mm
Width	240 mm
Height	95 mm