PENTRU ORICE INFORMATIE VA ROG SA MA CONTACTATI. VA
MULTUMESC
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ICOM IC-R20
Detalii Tehnice:
General |
Frequency coverage
|
0.150–3304.999MHz |
Mode |
LSB*, USB*, CW*, AM, FM,
WFM
* 0.150-469.999MHz |
No. of memory channels |
1250
(1000 regular, 50 scan edges and 200 auto memory write) |
Usable temperature range |
-10°C to 60°C ;
14°F to 140°F
|
Tuning steps |
0.01, 0.1, 5, 6.25, 8.33*,
9*, 10, 12.5, 15, 20, 25, 30,
50, 100kHz
* Selectable depending on operating
bands. |
Battery requirement |
BP-206 or 3 × AA (R6) alkaline cells |
External power supply |
6.0V DC ±5% (with BC-149A/D, CP-18A/E) |
Current drain (at 3.7V DC)
(Single receive, IC rec OFF)
|
Rated audio |
150mA typ. (Backlight off) |
Standby |
100mA typ. (Backlight off) |
Power save |
35mA typ. (duty=1:4) |
|
Antenna impedance |
50Ω (BNC) |
Dimensions |
60(W)×142(H)×34.8(D) mm;
23/8(W)×519/32(H)×13/8(D) in
|
Weight (approx.) |
320g; 11.3oz (With antenna and BP-206) |
Receiver |
Receiver system |
Triple conversion superheterodyne down converter |
Intermediate frequencies
1st
2nd
3rd
|
266.7 MHz
429.1 MHz
19.65 MHz
450 kHz
|
Sensitivity
FM (12dB SINAD)
WFM (12dB SINAD)
AM (10dB S/N)
SSB, CW 10dB S/N)
|
(except spurious points; single receive)
1.620– 4.999MHz |
0.56μV |
5.000– 221.999MHz |
0.4μV |
330.000– 832.999MHz |
0.56μV |
833.000– 1304.999MHz |
0.71μV |
1330.000–2304.999MHz |
5.6μV |
2330.000– 2999.999MHz |
18μV |
|
|
76.000– 108.000MHz |
1.8μV |
175.000– 221.999MHz |
1.8μV |
470.000– 769.999MHz |
2.5μV |
|
|
0.495– 4.999MHz |
2.2μV |
5.000– 29.999MHz |
1.4μV |
118.000– 135.999MHz |
1.4μV |
|
|
0.495– 4.999MHz |
0.4μV |
5.000– 29.999MHz |
0.25μV |
50.000– 53.999MHz |
0.25μV |
118.000– 146.999MHz |
0.25μV |
330.000– 469.999MHz |
0.32μV |
|
Selectivity
SSB, CW
AM, FM
WFM
|
More than 1.8kHz/–6dB
More than 12kHz/–6dB
Less than 30kHz/–60dB
More than 150kHz/–6dB
|
AF output power (at 3.7V DC) |
100mW typ. at 10% distortion with an 8Ω load |
External SP connector |
3-conductor 3.5 (d) mm (1⁄8″) /8Ω |
Scan, Monitor,
Record — The Pro's Scanner
2 for 1,
Dualwatch receive
Until the
IC-R20, the capability of monitoring two frequencies required two
radios. Whether you need to monitor local public safety, air
traffic control, or at the track listening to two drivers, even the
play by play from both the local TV and radio station is
possible!
See
specifications for actual frequency ranges for Dual-watch
receive.
Shortwave to
microwave, Wideband coverage
The IC-R20
covers 150kHz to 3304.999MHz* in SSB, CW, AM, FM and WFM modes.
This covers AM/FM radio and TV broadcasts, wireless communications
for boaters, aviation, conventional public safety and many other
commercial services.
* Depending on
version, U.S.A. version is cellular blocked.
4-hour digital
recorder
The IC-R20 has
an internal 32MB digital recorder capable of storing received
communications. This feature is useful in a variety ways, like
recording a wireless microphone audio at a meeting. There is also a
USB port to download to a computer for storage or to forward to a
friend.
PC playback not
possible
CTCSS, DTCS
tone signaling
When multiple
users share the same channel, these users use specialized signaling
to reduce interference from other users. The two popular signaling
formats, CTCSS and DTCS are standard in the IC-R20. Tone scan is
also possible.
Alphanumeric
memory channels
With 1,000
regular memory channels, 200 automatic memory scan channels and 25
pairs of frequency scan edges, the IC-R20 makes it easy to identify
received signals with the capability of programming a name to each
channel.
11 hours of
continuous receive*
Icom’s energy
efficient design allows the IC-R20 11* hours of continuous
reception from the internal Li-Ion battery pack. Also, the IC-R20
can operate with 3 AA Alkaline cells, or longer operation as well
as charging the internal battery pack is possible from either an
optional cigarette lighter cable or the supplied AC adapter.
* Single
receive in FM mode, at Max. AF audio.
See your
signals
Sometimes
hearing a signal is not enough, so the IC-R20 includes a band
scope. The bandscope enables you to see signals around a monitored
frequency. An additional function of the bandscope is the ability
to hear the signal while sweeping a range, so you can see if the
signal is modulated.
Scan
features
The IC-R20 is
Icom’s fastest receiver with 100* channels per second scanning
speed. You can tag memory channels into dynamic banks, ranging from
Max. 100 channels per bank (Max. 26 banks) as well as link multiple
banks for customized memory bank scanning. Additionally, the IC-R20
offers multiple scanning controls such as scan delay, scan resume
for received signal notification.
* In VFO
mode.
Other
Features
VSC (Voice Squelch Control) opens the squelch only when a modulated
signal is detected.
Offset monitor capability for semi-duplex channel monitoring
Auto squelch and squelch monitor capability
Built-in attenuator and RF gain control
Noise blanker, ANL (Auto Noise Limiter), AF filter
AFC (Auto Frequency Control) function
CI-V PC remote control capability with optional CT-17
Built-in ferrite bar antenna for AM broadcast
FM earphone cord antenna capability
Dial speed-up function
Auto power off and power save functions
Key lock function
Rotary selector and up/down buttons are reversible
Preprogrammed
with TV and popular shortwave channels