Specifications - Icom IC-78 Instruction Manual

n GENERAL
• Frequency range :
Rx 0.030000–29.999999 MHz*
Tx 1.600000–29.999999 MHz*
1
* Guaranteed range: 0.5–29.999999 MHz
2
* Not guaranteed for some frequency bands
• Mode : USB, LSB, CW, RTTY, AM
• No. of memory channels : 99
• 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
tuations 0˚C to +50˚C
±350 Hz
• Power supply requirement
13.8 V DC ±15 %
• Current drain
(at 13.8 V DC)
Receive Stand-by
max. audio
Transmit max. power
• Operating temp. range : –10˚C to +60˚C
• Antenna connector : SO-239
• Dimensions : 240(W)×95(H)×239(D) mm
9
(projections not included)
• Weight : 3.8 kg; 8 lb 6 oz
(approx.)
• ACC connector : 13-pin
+1 call
(Duplex)
. Temperature fluc-
(+77˚F)
less than
(+32˚F to +122˚F)
(negative ground):
:
1.3 A
2.0 A
21.0 A
; +14˚F to +140˚F
(50 Ω)
7 ⁄ (W)×3 3 ⁄ (H)×9 13 ⁄ (D) in
16 4 32

SPECIFICATIONS

n TRANSMITTER
• Modulation system
1
SSB
2 AM
• Output power
SSB, CW, RTTY 2–100 W
AM
• Spurious emissions
• Carrier suppression
• Unwanted sideband
• Microphone connector : 8-pin connector
n RECEIVER
• Receiver system
• Sensitivity
(10 dB S/N)
SSB, CW, RTTY 0.16 µV
AM
• Selectivity
SSB, CW, RTTY More than 2.1 kHz/–6 dB
AM
• Spurious and image rejection ratio:
(1.600–29.999999 MHz)
• Audio output power
(at 13.8 V DC)
• RIT variable range
• PHONES connector
• Ext. SP connector
All stated specifications are typical and subject to
change without notice or obligation.
10
:
Balanced modulation
Low level modulation
:
2–35 W
: Less than –46 dB
below peak
output power
: More than 40 dB
: More than 50 dB
(600 Ω)
: Double-conversion
superheterodyne
:
(1.600–29.999999 MHz)
(0.5 µV at 12 dB SINAD)
13 µV
(0.5–1.599999 MHz)
2 µV
(1.600–29.999999 MHz)
:
Less than 4.5 kHz/–60 dB
More than 6.0 kHz/–6 dB
Less than 20 kHz/–40 dB
More than 70 dB
: More than 2.0 W
at 10%
distortion with an 8 Ω load
: ±1200 Hz
: 3-conductor 6.5 (d) mm (
: 2-conductor 3.5 (d) mm (
/8 Ω
")
1 ⁄
4
")
⁄
1
8
43