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公开(公告)号：EP2852051A3
公开(公告)日：2015-07-29
申请号：EP14178036.1
申请日：2014-07-22
CPC分类号： H03F3/2171 , H03F1/0288
摘要： A device (400) includes a Doherty amplifier. The Doherty amplifier has a carrier path (404) and a peaking path (406). The Doherty amplifier includes a carrier amplifier (410) configured to amplify a signal received from the carrier path and a peaking amplifier (412) configured to amplify a signal received from the peaking path. The device includes a resistive switch (422) having a first terminal connected to the peaking path and a second terminal connected to a voltage reference, and a controller (424, Fig. 7) configured to set the resistive switch to a first resistance value when a power input of the Doherty amplifier is below a threshold and to a second resistance value when the power input of the Doherty amplifier is above the threshold.
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公开(公告)号：EP2852051A2
公开(公告)日：2015-03-25
申请号：EP14178036.1
申请日：2014-07-22
IPC分类号： H03F1/02
CPC分类号： H03F3/2171 , H03F1/0288
摘要： A device (400) includes a Doherty amplifier. The Doherty amplifier has a carrier path (404) and a peaking path (406). The Doherty amplifier includes a carrier amplifier (410) configured to amplify a signal received from the carrier path and a peaking amplifier (412) configured to amplify a signal received from the peaking path. The device includes a resistive switch (422) having a first terminal connected to the peaking path and a second terminal connected to a voltage reference, and a controller (424, Fig. 7) configured to set the resistive switch to a first resistance value when a power input of the Doherty amplifier is below a threshold and to a second resistance value when the power input of the Doherty amplifier is above the threshold.
摘要翻译： 设备（400）包括Doherty放大器。 多赫蒂放大器具有载波路径（404）和峰值路径（406）。 多赫蒂放大器包括被配置为放大从载波路径接收的信号的载波放大器（410）和配置成放大从峰化路径接收的信号的峰值放大器（412）。 该装置包括具有连接到峰化路径的第一端子和连接到电压基准的第二端子的电阻开关（422），以及被配置为将电阻开关设置为第一电阻值的控制器（424） 当Doherty放大器的功率输入高于阈值时，Doherty放大器的功率输入低于阈值，并且达到第二电阻值。
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