Specifications; General; Receiver; Transmitter - Icom IC-7800 Service Manual

SECTION 1
M GENERAL
• Frequency coverage:
0.030–60.000 MHz* 1, * 2
Receive
0.1357–0.1378 MHz* 2 1.800–1.999 MHz* 2
Transmit
3.500–3.999 MHz* 2
5.3305, 5.3465, 5.3665, 5.3715, 5.4035 MHz* 2
7.000–7.300 MHz* 2
14.000–14.350 MHz* 2 18.068–18.168 MHz* 2
21.000–21.450 MHz* 2 24.890–24.990 MHz* 2
28.000–29.700 MHz* 2 50.000–54.000 MHz* 2
* 1 Some frequency bands are not guaranteed.
* 2 Depending on version.
• Mode : USB, LSB, CW, RTTY, AM, FM,
PSK31
• Number of memory channels
: 101 (99 regular, 2 scan edges)
• Antenna connector : SO-239 × 4 [antenna impedance; 50 Ω]
• Usable temp. range : 0˚C to +50˚C (32˚F to 122˚F)
• Frequency stability : Less than ±0.05 ppm
(IC-7800's condition: After 5 min. since
turns power ON on the rear panel)
• Freq. resolution : 1 Hz
• Power supply : 85–265 V AC
voltage
• Power consumption :
Transmit at 200 W
Receive stand-by
max. audio
• Dimensions : 424 (W) × 149(H) × 435(D) mm
(Proj. not included) 16 11
• Weight : Approximate 25 kg (55 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 : 7-inch diagonal wide TFT color LCD
(800 × 480)
M TRANSMITTER
• Output power :
HF: SSB/CW/RTTY/FM/PSK31
AM
137 kHz: CW
(except for [USA] and [KOR])
• Modulation system :
SSB PSN modulation
AM Low power modulation
FM Phase modulation
• Spurious emission : More than 60 dB (HF bands)
More than 70 dB (50 MHz band)
• Carrier suppression : More than 63 dB (HF bands)
More than 73 dB (50 MHz band)
• Unwanted sideband suppression: More than 80 dB
: 8-pin connector (600 Ω)
• Mic. connector
• ELE-KEY connector: 3-conductor 6.35(d) mm (
• KEY connector : 3-conductor 6.35(d) mm (
• SEND connector : Phono (RCA)
• ALC connector : Phono (RCA)
All stated specifications are subject to change without notice or obligation.

SPECIFICATIONS

10.100–10.150 MHz* 2
(universal input)
800 VA
200 VA (typical)
210 VA (typical)
⁄ (W) × 5 7 ⁄ (H) × 17 1 ⁄ (D) in
16 8 8
1
⁄ ")
8
5–200 W
5–50 W
More than –20 dBm
1 ⁄ ")
4
1 ⁄ ")
4
M RECEIVER
• Receive system
• Intermediate frequencies:
1st IF frequency
2nd IF frequency
• Sensitivity (Typ.)
SSB, CW, RTTY (at 2.4 kHz bandwidth)
0.1–1.799 MHz* 1
1.8–29.99 MHz* 1
50.0–54.0 MHz* 2
AM (at 6.0 kHz bandwidth)
0.1–1.799 MHz* 1
1.8–29.99 MHz* 1
50.0–54.0 MHz* 2
FM (at 15 kHz bandwidth)
28.0–29.99 MHz* 1
50.0–54.0 MHz* 2
* 1 Pre-amp1 is ON * 2 Pre-amp2 is ON
• Squelch sensitivity : (Pre-amp OFF)
SSB/CW/RTTY/PSK31 Less than 5.6 µV
FM
• Selectivity
SSB/RTTY (at 2.4 kHz bandwidth)
CW (at 500 Hz bandwidth)
AM (at 6 kHz bandwidth)
FM (at 15 kHz bandwidth)
• Spurious and image rejection response ratio:
• RIT variable range : ±9.999 kHz
• Audio output power : More than 2.6 W at 10 % distortion
• PHONES connector: 3-conductor 6.35 (d) mm (
• EXT SP connector : 2-conductor 3.5 (d) mm (
M ANTENNA TUNER
• Output matching range:
HF bands
50 MHz band
* 1 VSWR better than 3:1; * 2 VSWR better than 2.5:1
• Minimum operating input power:
HF bands
50 MHz band
• Tuning accuracy
• Insertion loss
(after tuning)
1 - 1
: Double-conversion superheterodyne
64.455 MHz (Main band)
64.555 kHz (Sub band)
36 kHz
:
0.5 µV (10 dB S/N)
0.16 µV (10 dB S/N)
0.13 µV (10 dB S/N)
6.3 µV (10 dB S/N)
2.0 µV (10 dB S/N)
1.0 µV (10 dB S/N)
0.5 µV (12 dB SINAD)
0.32 µV (12 dB SINAD)
Less than 1.0 µV
:
More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
More than 12 kHz/–6 dB
Less than 20 kHz/–60 dB
More than 70 dB
with an 8 Ω load
1
(for Main and Sub)
16.7–50 Ω unbalanced* 1
20–125 Ω unbalanced* 2
: 8 W
: 15 W
: VSWR 1.5:1 or better
: Less than 1.0 dB
1 ⁄ ")
4
") 8 Ω × 2
⁄
8