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[蓝牙资料] 關于BT Dongle的一些困惑.

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发表于 2006-5-12 09:38:00 | 显示全部楼层 |阅读模式
我們這邊由于大量生產,測試V BT Throughput就\直接用Dongle和机台進行聯系.在沒有attenuator的情況下進行測試,這樣測是否可以通過將天線的長度縮短,來确定一個最佳測試位置,??這樣就可以省下attenuatorle
因為在用attenuator的Dongle站上,机台的測試位置對Throughput也有很大影響.attenuator還可以在門限直偏离5個DB進行測試.
wo
发表于 2006-5-24 13:29:00 | 显示全部楼层
<P>BT dongle is class 1 product, so if you see even 5dB difference between products, it is normal.</P><P>If you don't use an attenuator to test the BT dongle, then the transmitter power can't be adjusted properly, as Dongle is not the same as a headset.</P><P>Dongle has power adjustment according to RSSI, the transmitter power has to be adjusted according to different receiver position. While headset(class2) is always working at the maximum transimtter power.</P>
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