![background image](http://html1.mh-extra.com/html/icom/id-1/id-1_service-manual_2038168004.webp)
■
GENERAL
• Frequency coverage
: 1240.000–1300.000 MHz
• Type of emission
: FM, GMSK (Digital)
• Transmission speed (theoretical value) : Data
128 kbps
Digital voice 4.8 kbps
• Codec
: AMBE (2.4 kbps)
• Number of memory channel
: 105 (incl. 2 scan edges and 3 calls)
• Tuning steps
: 5, 6.25, 10, 12.5, 20, 25, 50, 100 kHz
• Frequency stability
:
±
2.5 ppm (–10˚C to +60˚C)
• Operating temperature range
: –10˚C to +60˚C (–22˚F to +140˚F)
• Antenna connector
: Type-N (50
Ω)
• Power supply requirement
: 13.8 V DC
±
15% (Negative ground)
• Current drain (at 13.8 V DC)
: Transmit
Less than 7 A (at 10 W)
Receive
Less than 1.5 A (AF max.)
• Dimensions (projections not included) :
Main unit
141(W)×40(H)×165.8(D) mm; 5
9
⁄
16
(W)×1
9
⁄
16
(H)×6
17
⁄
32
(D) in
Remote controller (RC-24)
150(W)×50(H)×49.5(D) mm; 5
29
⁄
32
(W)×1
31
⁄
32
(H)×6
15
⁄
16
(D) in
•
Weight
(Approx.)
:
Main unit
1.2 kg; 2 lb 10 oz
Remote controller (RC-24)
220 g; 7.7 oz
■
TRANSMITTER
• Output power (at 13.8 V DC)
: 10/1 W
•
Modulation
:
Variable reactance frequency modulation (FM)
Quadrature modulation (Digital)
• Maximum frequency deviation (FM)
: ±5.0 kHz
• Spurious emissions
: Less than –50 dB
• Microphone connector
: 8-pin modular jack (600
Ω)
■
RECEIVER
• Receive system
: Triple conversion superheterodyne system (FM, DV)
Double conversion superheterodyne (DD)
• Intermediate frequencies
: 1st IF: 243.95 MHz, 2nd IF: 31.05 kHz, 3rd IF: 450 kHz (FM, DV)
1st IF: 243.95 MHz, 2nd IF: 10.7 MHz (DD)
• Sensitivity
: Less than 0.18 µV (–122 dBm) at 12 dB SINAD (FM)
Less than 0.35 µV (–116 dBm) at BER 1×10
–2
(DV)
Less than 1.58 µV (–103 dBm) at BER 1×10
–2
(DD)
• Selectivity (typical)
: More than 12 kHz/6dB, Less than 30 kHz/60 dB (FM)
More than 6 kHz/6dB, Less than 18 kHz/50 dB (DV)
More than 140 kHz/6dB, Less than 520 kHz/40 dB (DD)
• Spurious and image rejection
: More than 50 dB
• Audio output power (at 13.8 V DC)
: 2.0 W at 10% distortion with an 8
Ω
load
• Squelch sensitivity (at threshold)
: Less than 0.18 µV (–122 dBm) (FM only)
• Ext. speaker connector
: 2-conductor 3.5 (d) mm/(
1
⁄
8
")/8
Ω
All stated specifi cations are subject to change without notice or obligation.
S
SECTION 1 SPECIFICATIONS
1 - 1
Summary of Contents for ID-1
Page 1: ...SERVICE MANUAL DIGITAL TRANSCEIVER S 14120IZ C1 May 2005...
Page 45: ...SECTION 10 BLOCK DIAGRAM 10 1 10 1 MAIN UNIT 4...
Page 46: ...10 2 LOGIC 1 UNIT 10 3 RC 24 10 2...
Page 47: ...SECTION 11 VOLTAGE DIAGRAM 11 1 MAIN UNIT 11 1...
Page 48: ...11 2...
Page 49: ...11 3...
Page 50: ...11 4 11 2 LOGIC 1 UNIT...
Page 51: ...11 5...
Page 52: ...11 6 11 3 RC 24...
Page 54: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14120IZ C1 2005 Icom Inc...