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注册:2005-10-28 8:32:06
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Post By:2007-11-8 15:25:04 [显示全部帖子]
内容如下: 50Ω系统dbm、dbμV、瓦换算表 功率(dBm)
| 电平(dbμV)
| 功率(瓦)
|
| 功率(dBm)
| 电平(dbμV)
| 功率(瓦)
| +53
| 160
| 200w
| 0
| 107
| 1.0mw
| +50
| 157
| 100w
| -1
| 106
| .80mw
| +49
| 156
| 80w
| -3
| 104
| .50mw
| +47
| 154
| 50w
| -7
| 100
| .20mw
| +46
| 153
| 40w
| -10
| 97
| .10mw
| +43
| 150
| 20w
| -20
| 87
| .01mw
| +40
| 147
| 10w
| -27
| 80
|
| +37
| 144
| 5w
| -30
| 77
| .001mw
| +33
| 140
| 2w
| -
|
|
| +30
| 137
| 1.0w
| -
|
|
| +29
| 136
| 800mw
| -
|
|
| +27
| 134
| 500mw
| -
|
|
| +26
| 133
| 400mw
| -
|
|
| +23
| 130
| 200mw
| -
|
|
| +20
| 127
| 100mw
| -
|
|
| +17
| 124
| 50mw
| -
|
|
| +13
| 120
| 20mw
| -
|
|
| +10
| 117
| 10mw
| -
|
|
| +7
| 114
| 5mw
|
|
|
| +3
| 110
| 2.0mw
|
|
| |
|
|