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新机推荐:Icom IC-RX7 [复制链接]

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离线BD3RJ
 
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18844
只看楼主 倒序阅读 0楼 发表于: 2008-06-09

type:      hf/vhf/uhf receiver/scanner
frequency range:      0.15-1300 mhz (cellular blocked in the us)
(5 / 6.25 / 7.5 / 8.33 / 9 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 / 100 / 200 khz steps)
mode:      am/fm/wfm
receiver system:      triple conversion superheterodyne
1st if: 429.1 mhz
2nd if: 19.65 mhz
3rd if: 450 khz
sensitivity:      am
0.495-4.995 mhz: 2.5 uv
5-30 mhz: 1.78 uv
118-136 mhz: 1.78 uv
222-330 mhz: 1.78 uv
fm (12 db sinad)
1.625-5 mhz: 0.56 uv
5-30 mhz: 0.25 uv
30-118 mhz: 0.2 uv
118-175 mhz: 0.18 uv
175-330 mhz: 0.22 uv
330-430 mhz: 0.25 uv
430-450 mhz: 0.22 uv
450-470 mhz: 0.25 uv
470-1000 mhz: 0.28 uv
1000-1310 mhz: 0.35 uv
wfm (12 db sinad)
76-108 mhz: 0.78 uv
175-222 mhz: 1.78 uv
470-770 mhz: 2.5 uv
selectivity:      am/fm
>12 khz (-9 db), <30 khz (-60 db)
wfm
>150 khz (-6 db)
image rejection:      n/a
voltage:      3.6-4.5 vdc (3*r6/aa or li-ion pack)
current drain:      35-150 ma
impedance:      50 ohms, sma
dimensions (w*h*d):      57*128*23 mm
weight:      200 gr
manufactured:      japan, 2008-200x
other:      1650 memories with alpha tags. splash resistant (ipx4). ctcss/dtsc decoder.
vsc. built in ferrite bar for mw reception
离线BG4RID
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31295
只看该作者 1楼 发表于: 2008-06-17
mode: am/fm/wfm
离线qwnick
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306
只看该作者 2楼 发表于: 2009-06-05
这个机器哪里可以搞到?听说一秒可以扫描100个频道~~