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HCI_EXT_ModemTestTxCmd 設定功率

Other Parts Discussed in Thread: CC2640R2F

我在做一些RF 的測試, 發現在HCI_EXT_ModemTestTxCmd 的設置後,HCI_EXT_SetTxPowerCmd  沒有發生作用

我已知HCI_EXT_ModemTestTxCmd 會設回0dBm, 所以在之後也 再設HCI_EXT_SetTxPowerCmd.

 HCI_EXT_ModemTestTxCmd(1, 0);       // 2444MHz BLE F=2402+(k*2MHz)
HCI_EXT_SetTxPowerCmd(HCI_EXT_TX_POWER_MINUS_21_DBM)

但我用頻譜儀去檢測時,發現設-21dBm與0dBm 的結果沒差別...

想問一下我如何可以在HCI_EXT_ModemTestTxCmd 時設定不同的Power 來測試呢?

我用smart RF studio 是可以設到 power, 而且在頻譜儀 是可以看到不同power 的差別的!

謝謝

Best regards

David