Icom IC-R20, Руководство по обслуживанию

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SECTION 1 SPECIFICATIONS
• IC-R20
M
GENERAL
• Frequency coverage :
• Mode : FM, WFM, AM, SSB, CW
• No. of memory channel : 1250 channel
(incl. scan edge and auto
memory write ch.)
• Frequency stability : ±6 ppm max.
• Tuning steps : 0.01, 0.1, 1, 5, 6.25, 8.33*,
9*, 10, 12.5, 15, 20, 25,
30, 50 and 100 kHz
*selectable depending on
the operating frequency
band.
• Antenna Impedance : 50
Ω
• Power supply requirement : 3
×
AA(R6) alkaline cells,
BP-206 or external power
supply (BC-149/A/D, CP-18)
• Polarity : Negative ground
• Current drain (at 3.7 V, backlight is OFF) :
Rated audio 150 mA typical
Standby 100 mA typical
Power saved 35 mA typical
(Power save ratio is 1 : 4)
• Usable temperature range : –10˚C to +60˚C
( –14˚F to +140˚F)
• Dimensions : 60(W)
×
142(H)
×
34.8(D) mm;
(projections not included) 2
3
⁄
8
(W)
×
5
19
⁄
32
(H)
×
1
3
⁄
8
(D) in
• Weight (with antenna and BP-206) : Approx. 320 (g); 11
19
⁄
32
(oz)
• External SP connector : 3-conductor 3.5(d) mm
( 1 ⁄
8”
) / 8
Ω
• Audio output power (at 3.7 V) : 100 mW typical at 10 %
distortion with an 8
Ω
load
• BP-206 charging time : Approx. 8 hours
• Charging current : 400 mA typical
M
RECEIVER
• Receiver system : Triple super heterodyne
and down convertor
• Intermediate frequency : 1st 266.7 and 429.1 MHz
2nd 19.65 MHz
3rd
450 kHz
• Sensitivity* :
Single mode receiving; Except spurious point (Unit; µV)
*FM and WFM is measured at 12 dB SINAD. AM, SSB and
CW are measured at 10 dB S/N.
• Squelch Sensitivity : (except spurious points)
• Selectivity :
SSB/CW More than 1.8 kHz / –6 dB
AM / FM More than 12 kHz / –6 dB
Less than 30 kHz / –60 dB
WFM More than 150 kHz / –6 dB
All stated specifications are subject to change without notice or obligation.
Version
[EUR], [UK],
[SEA], [CAN]
[EXP-01], [EXP-02]
[USA]
[FRA]
Receive coverage (MHz)
0.150–3304.999
0.150–821.999, 851.000–866.999,
896.000–1304.999, 1305.000–3304.999
0.150–29.999, 50.200–51.200,
87.500–108.000, 144.000–146.000
430.000–440.000, 1240.000–1300.000
Frequency (MHz)
0.495 – 1.619
1.620 – 4.999
5.000 – 29.999
30.000 – 49.999
50.000 – 53.999
54.000 – 75.999
76.000 – 108.000
108.001 – 117.999
118.000 – 135.999
136.000 – 146.999
147.000 – 174.999
175.000 – 221.999
330.000 – 469.999
470.000 – 769.999
770.000 – 832.999
833.00 – 1304.999
1330.000 – 2304.999
2330.000 – 2999.999
FM
—
0.56
0.4
0.56
0.71
5.6
18
WFM
—
1.8
—
1.8
—
2.5
—
AM
2.2
1.4
—
1.4
—
SSB/CW
0.4
0.25
—
0.25
—
0.25
—
0.32
—
Frequency (MHz)
0.495 – 1.619
1.620 – 4.999
5.000 – 29.999
30.000 – 75.999
76.000 – 108.000
108.001 – 117.999
118.000 – 135.999
136.000 – 174.999
175.000 – 221.999
330.000 – 469.999
470.000 – 769.999
770.000 – 832.999
833.000 – 1304.999
1330.000 – 2304.999
2333.000 – 2999.999
FM
—
0.56 µV
0.4 µV
0.56 µV
0.71 µV
5.6 µV
18 µV
WFM
—
18 µV
—
18 µV
—
18 µV
—
AM
2.2 µV
1.4 µV
—
1.4 µV
—