![background image](http://html.mh-extra.com/html/icom/ic-910h/ic-910h_service-manual_611499045.webp)
■
RECEIVER
• Receive system
:
VHF
SSB, CW
Single conversion superheterodyne
FM
Double conversion superheterodyne
UHF
SSB, CW
Double conversion superheterodyne
FM
Triple conversion superheterodyne
• Intermediate frequencies
:
(Unit: MHz)
• Sensitivity
: SSB, CW
(10 dB S/N)
Less than 0.11 µV
FM
(12 dB SINAD)
Less than 0.18 µV
• Squelch sensitivity
: SSB, CW
Less than 1.0 µV
(threshold)
FM
Less than 0.18 µV
• Selectivity
: SSB, CW
More than 2.3 kHz/–6 dB
Less than 4.2 kHz/–60 dB*
FM
More than 15.0 kHz/–6 dB
Less than 30.0 kHz/–60 dB*
FM-N
More than 6.0 kHz/–6 dB
Less than 18.0 kHz/–36 dB
CW-N
More than 0.5 kHz/–6 dB
(w/FL-132 or FL-133)
Less than 1.34 kHz/–60 dB*
*Except 1200 MHz band
• Spurious and image rejection ratio:
144/430 (440) MHz
More than 60 dB
1200 MHz
More than 50 dB
• AF output power
(at 13.8 V DC)
:
More than 2.0 W at 10% distortion with an 8
Ω
load
• RIT variable range
: 144/430 (440) MHz
±1.0 kHz
(SSB, CW)
±5.0 kHz
(FM)
1200 MHz
±2.0 kHz
(SSB, CW)
±10.0 kHz
(FM)
• IF SHIFT variable range
: More than ±1.2 kHz
• PHONES connector
: 3-conductor 6.35(d) mm (
1
⁄
4
″
)
• Ext. SP connectors
: 2-conductor 3.5 (d) mm (
1
⁄
8
″
) /8
Ω ×
2
(for MAIN and SUB)
MAIN BAND
SUB BAND
1st
2nd
3rd
1st
2nd
3rd
SSB
10.8500
—
—
10.9500
—
—
CW
10.8491
—
—
10.9491
—
—
FM
10.8500
0.455
—
10.9500
0.455
—
SSB
71.2500
10.8500
—
71.3500
10.9500
—
CW
71.2491
10.8491
—
71.3491
10.9491
—
FM
71.2500
10.8500
0.455
71.3500
10.9500
0.455
SSB
243.9500
10.8500
—
243.9500
10.9500
—
CW
243.9491
10.8491
—
243.9491
10.9491
—
FM
243.9500
10.8500
0.455
243.9500
10.9500
0.455
144 MHz
430 (440) MHz
1200 MHz
1 - 2
Содержание IC-910H
Страница 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 23 SCHEMATIC DIAGRAM 33 Nov 2008 ...
Страница 26: ...Nov 2008 25 DISPLAY UNIT TOP VIEW The combination of top side and bottom side of this ...
Страница 33: ...Nov 2008 32 MAIN UNIT BOT VIEW The combination of top side and bottom side of this ...
Страница 41: ...SERVICE MANUAL VHF UHF ALL MODE TRANSCEIVER i910H ...
Страница 118: ...9 2 BOTTOM VIEW RIT BOARD BOTTOM VIEW VR A BOARD BOTTOM VIEW VR B BOARD ...
Страница 121: ...9 5 9 11 DISPLAY BOARD TOP VIEW 8 5 1 4 1 8 16 9 1 8 16 9 1 8 16 9 ...
Страница 124: ...9 8 BOTTOM VIEW PA UNIT 1 3 4 6 1 3 4 6 ...
Страница 126: ...9 10 BOTTOM VIEW PLL UNIT R341 MP11 ...
Страница 130: ...9 14 BOTTOM VIEW UX 910 MAIN UNIT 1 4 8 5 ...
Страница 144: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13714HZ C1 2001 Icom Inc ...