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    METHOD AND APPARATUS FOR INCREASING AMPLIFIER EFFICIENCY
    11.
    发明专利
    METHOD AND APPARATUS FOR INCREASING AMPLIFIER EFFICIENCY 未知

    公开(公告)号：CA2160750C

    公开(公告)日：1999-04-20

    申请号：CA2160750

    申请日：1995-10-17

    Applicant: MOTOROLA INC

    Inventor： ALBERTH WILLIAM P JR ,  JANSSEN JOHN J ,  KLOMSDORF ARMIN

    IPC: H03G3/30 ,  H03F1/02 ,  H03F3/189 ,  H03F3/24 ,  H03G3/00 ,  H04B1/04

    Abstract: A transmitter (107) includes amplifying circuitry (203) and control circuitry (215, 217, 219) for biasing the amplifying circuitry (203) so that it operates closer to saturation with increased efficiency. The gate voltage signal (213), which provides a gate bias, is coupled to the amplifying circuitry (203) and is dynamically varied by the processor circuitry (219) in response to the value of the amplifier control voltage (211) coupled to the amplifying circuitry (203). The amplifier control voltage (211), which has a value for maintaining the output power of the amplifying circuitry (203) at a constant, is produced by the integrating circuitry (217) in response to a comparison of the detected power output signal (216) produced by the detecting circuitry (215) and the power output control signal (218) produced by the processor circuitry (219). Efficiency is realized by dynamically varying the gate voltage signal (213) to its largest magnitude so that the amplifying circuitry (203) may operate as close to saturation as possible while still maintaining a constant output power.

    METODO Y APARATO PARA AUMENTAR LA EFICIENCIA DEL AMPLIFICADOR.
    13.
    发明专利
    METODO Y APARATO PARA AUMENTAR LA EFICIENCIA DEL AMPLIFICADOR. 未知

    公开(公告)号：MX9504610A

    公开(公告)日：1997-05-31

    申请号：MX9504610

    申请日：1995-11-01

    Applicant: MOTOROLA INC

    Inventor： ALBERTH WILLIAM P JR ,  JANSSEN JOHN J ,  KLOMSDORF ARMIN

    IPC: H03G3/30 ,  H03F1/02 ,  H03F3/189 ,  H03F3/24 ,  H03G3/00 ,  H04B1/04 ,  H03F03/00

    Abstract: Un transmisor (107) incluye circuitos amplificadores (203) y circuitos de control (215, 217, 219) para desviar a los circuitos amplificadores (203) de tal forma que operan lo más cercanos a la saturacion con una eficiencia mejorada. La señal de voltaje de compuerta (213), que proporciona un desvío de compuerta, está conectado a los circuitos amplificadores (203) y varían dinámicamente por medio de los circuitos del procesador (219) como respuesta al valor del voltaje de control del amplificador (211) conectado a los circuitos amplificadores (203). El voltaje de control del amplificador (211), que tiene un valor para mantener la potencia de salida de los circuitos amplificadores (203) en un constante, se produce por medio de circuitos integrados (217) como respuesta a una comparacion de la señal de salida de potencia detectada (216) producida por medio de los circuitos de deteccion (215) y de la señal de control de salida de potencia (218) producida por los circuitos del procesador (219). La eficiencia se realiza variando dinámicamente la señal de voltaje de compuerta (213) hasta su magnitud mayor de tal forma que los circuitos amplificadores (203) pueden operar tan cercanos a la saturacion como sea posible mientras que, al mismo, tiempo mantienen una potencia de salida constante.

    15.
    发明专利
    未知

    公开(公告)号：DE60303703D1

    公开(公告)日：2006-04-27

    申请号：DE60303703

    申请日：2003-04-30

    Applicant: MOTOROLA INC

    Inventor： KLOMSDORF ARMIN ,  FOREST FRANCIS

    IPC: H04B7/005 ,  H03G3/30 ,  H04B1/04 ,  H04B7/26 ,  H04W52/52

    Abstract: A method (800) and an apparatus for controlling power associated with a transmitting unit (220). The transmitting unit (220) may generally include a processing component (310), a baseband controller (320), a linearization controller (330), a variable baseband source (340), and a radio frequency (RF) component (350). The variable baseband source (340) may generate a baseband signal based on an input signal. The RF component (350) may generate an RF signal based on the baseband signal. The processing component (310) may generate a first control signal and a second control signal. Further, the processing component (310) may provide the first control signal to the baseband controller (320) to adjust the variable baseband source (340), and provide the second control signal to the linearization controller (330) to adjust the RF frequency component (350).

    Embedded transmission line coupler for radio frequency signal amplifiers
    19.
    发明专利
    Embedded transmission line coupler for radio frequency signal amplifiers 未知

    公开(公告)号：GB2289168B

    公开(公告)日：1998-01-28

    申请号：GB9513654

    申请日：1994-10-06

    Applicant: MOTOROLA INC

    Inventor： KLOMSDORF ARMIN ,  NAGODE THOMAS D

    IPC: H01P5/18 ,  H04B1/04 ,  H04B7/005

    Abstract: A transmission line coupler (115) for a transmitter output signal (123) generated by an RF signal amplifier (103) includes a through-path transmission line (201) and a coupled-path transmission line (202) electromagnetically coupled thereto by multiple serpentine-like portions (such as portions 641, 642, 643 and 644 in FIG. 6 ), which are disposed on opposite sides of the through-path transmission line (201) for enhancing coupling sensitivity and eliminating degradation in the amount of coupling due to variations in the transmission line plating registration. Offset portions (641, 643) on one side of the through-path transmission line (201) provide substantially the same amount of coupling as the offset portions (642,643) on the other side of the through-path transmission line (201). The transmission line coupler (115) is embedded in the output match of the final amplifier (103) and includes complex impedances (212 and 210, 222) at each port of the coupled-path transmission line (202) for substantially eliminating undesired reflections. The coupled port of the coupled-path transmission line (202) is coupled by an inductor (211) to a hot-carrier diode (206) for enhancing the detection sensitivity thereof.

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