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    • 3. 发明授权
    • Transmitter for communication devices
    • 发射机用于通信设备
    • US06289205B1
    • 2001-09-11
    • US09000752
    • 1997-12-30
    • Ossi PöllänenEsko Järvinen
    • Ossi PöllänenEsko Järvinen
    • H04B104
    • H03G3/3036H03F2200/504
    • A transmitter (2) for communication devices according to the invention comprises a high-frequency power amplifier for amplifying the high-frequency signal to be transmitted, which high-frequency power amplifier includes an output stage for giving an amplified high-frequency signal, and measuring devices for measuring the power (Pdc) of the high-frequency signal. The measuring devices comprise devices (A1, RECT1, INT1, A2, RECT2, INT2) for measuring the voltage (VCE) and current (IE) of the high-frequency signal in said output stage, and means (M1, INT3) for calculating the power of the high-frequency signal on the basis of the measured high-frequency voltage (Vmeas) and high-frequency current (Imeas). A mobile station (1) according to the invention has a transmitter (2) for transmitting signals, which transmitter (2) includes a high-frequency power amplifier for amplifying the high-frequency signal to be transmitted. The high-frequency power amplifier includes an output stage (4) for giving an amplified high-frequency signal, and measuring devices for measuring the power (Pdc) of the high-frequency signal. The measuring devices comprise devices (A1, RECT1, INT1, A2, RECT2, INT2) for measuring the voltage (VCE) and current (IE) in said output stage (4), and means (M1, INT3) for calculating the power of the high-frequency signal on the basis of the measured high-frequency voltage (Vmeas) and high-frequency current (Imeas).
    • 根据本发明的用于通信设备的发射机(2)包括用于放大要发射的高频信号的高频功率放大器,该高频功率放大器包括用于给出放大的高频信号的输出级,以及 用于测量高频信号功率(Pdc)的测量装置。 测量装置包括用于测量所述输出级中的高频信号的电压(VCE)和电流(IE)的装置(A1,RECT1,INT1,A2,RECT2,INT2)和用于计算的装置(M1,INT3) 基于测得的高频电压(Vmeas)和高频电流(Imeas)的高频信号的功率。 根据本发明的移动台(1)具有用于发送信号的发射机(2),所述发射机(2)包括用于放大待传输的高频信号的高频功率放大器。 高频功率放大器包括用于提供放大的高频信号的输出级(4)和用于测量高频信号功率(Pdc)的测量装置。 测量装置包括用于测量所述输出级(4)中的电压(VCE)和电流(IE)的装置(A1,RECT1,INT1,A2,RECT2,INT2)和用于计算所述输出级 基于测量的高频电压(Vmeas)和高频电流(Imeas)的高频信号。