WB-TX-PREKEY 发射时序控制 WB-TX-RAMP 发射功率控制信号 WCDMA Wideband Code Division Multiplex Access 宽带分码多工传输技术：为IMT-2000的重要基础技术，是第三代数字无线通信系统的...
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发射功率级别控制信号 VAPC
提供控制机构，以当不需要时切断功率放大器或整个发射信号通路。
Control mechanisms are provided to power down the power amplifier, or the entire transmit signal path, when not needed.
控制所述发射信号通路中的各种元件的增益，以降低 输出发射功率中的瞬变，并还确保所述瞬变是向下的。
The gains of the various elements in the transmit signal path are controlled to reduce transients in the output transmit power, and to also ensure that transients are downward.
功率分析仪可控制只读取在信道内的发射功率，假定该手机要发射信号。
The RF power analyzer is programmed to read the power only in the channel in which the mobile device is supposed to be transmitting.
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