公开(公告)号：GB2362051B

公开(公告)日：2002-05-29

申请号：GB0031141

申请日：2000-12-20

Applicant: MOTOROLA INC

Inventor： SCHWENT DALE GERARD ,  KLOMSDORF ARMIN ,  WINKELMANN LUKE E ,  GREENE MATHEW

IPC: H04B1/04 ,  H04B1/40 ,  H04J3/00 ,  H03F1/02

Abstract: A modulation format switch in signal communication with an amplifier, which produces a plurality of modulation format signals, and a load is described. The modulation format switch includes at least one matching network in signal communication with the amplifier and the load, where the at least one matching network capable of having a plurality of impedance values corresponding to the plurality of modulation format signals. The modulation format switch also includes a controllable element in the matching network, the controllable element capable of having more than one impedance value.

公开(公告)号：GB2359463A8

公开(公告)日：2001-09-24

申请号：GB0022551

申请日：2000-09-14

Applicant: MOTOROLA INC

Inventor： CHAN YIU K ,  SCHWENT DALE GERARD ,  LANDHERR MICHAEL ,  KLOMSDORF ARMIN ,  HAND MICHAEL

IPC: H03H7/46 ,  H04B1/00 ,  H04B1/04 ,  H04B1/40 ,  H04B7/005

公开(公告)号：AU5657700A

公开(公告)日：2001-03-22

申请号：AU5657700

申请日：2000-09-08

Applicant: MOTOROLA INC

Inventor： CHAN YIU K ,  SCHWENT DALE ,  LANDHERR MICHAEL ,  KLOMSDORF ARMIN ,  HAND MICHAEL

IPC: H03H7/46 ,  H04B1/00 ,  H04B1/04 ,  H04B1/40 ,  H01P5/00

公开(公告)号：GB2294833B

公开(公告)日：1999-07-21

申请号：GB9522038

申请日：1995-10-26

Applicant: MOTOROLA INC

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

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

公开(公告)号：FR2766030A1

公开(公告)日：1999-01-15

申请号：FR9808756

申请日：1998-07-08

Applicant: MOTOROLA INC

Inventor： LANDHERR MICHAEL ,  KLOMSDORF ARMIN ,  PENNOCK MARK

IPC: H03F1/02 ,  H03F3/193 ,  H03G3/00 ,  H03F3/189 ,  H03L7/099

Abstract: According to the method and apparatus of the present disclosure, dual drain control uses a variable voltage supply on the drains of a first stage (302) and a second stage (304) to control the output power. In particular, dual drain control having a 1:1 ratio is employed at lower power levels, with single drain control at higher power levels. Such drain control could be employed by directly varying (1008, 1010) the voltage on the drains of the power amplifier, such as with signals from a microprocessor, or by a specific circuit (203) to generate the drain voltages based upon a control voltage.

公开(公告)号：SG44444A1

公开(公告)日：1997-12-19

申请号：SG1996000478

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.

公开(公告)号：SG33564A1

公开(公告)日：1996-10-18

申请号：SG1995001654

申请日：1995-10-27

Applicant: MOTOROLA INC

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

IPC: H03G3/20

公开(公告)号：BR9405982A

公开(公告)日：1996-02-06

申请号：BR9405982

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.