GB2309342B - Linear transmitter and method of operation - Google Patents

Linear transmitter and method of operation

Info

Publication number
GB2309342B
GB2309342B GB9600977A GB9600977A GB2309342B GB 2309342 B GB2309342 B GB 2309342B GB 9600977 A GB9600977 A GB 9600977A GB 9600977 A GB9600977 A GB 9600977A GB 2309342 B GB2309342 B GB 2309342B
Authority
GB
United Kingdom
Prior art keywords
operation
method
linear transmitter
transmitter
linear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9600977A
Other versions
GB2309342A (en
GB9600977D0 (en
Inventor
Mark Rozental
Moshe Ben-Ayun
Ori Schermann
Antony John Wray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Israel Ltd
Original Assignee
Motorola Solutions Israel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Solutions Israel Ltd filed Critical Motorola Solutions Israel Ltd
Priority to GB9600977A priority Critical patent/GB2309342B/en
Publication of GB9600977D0 publication Critical patent/GB9600977D0/en
Publication of GB2309342A publication Critical patent/GB2309342A/en
Application granted granted Critical
Publication of GB2309342B publication Critical patent/GB2309342B/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
GB9600977A 1996-01-18 1996-01-18 Linear transmitter and method of operation Expired - Lifetime GB2309342B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9600977A GB2309342B (en) 1996-01-18 1996-01-18 Linear transmitter and method of operation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9600977A GB2309342B (en) 1996-01-18 1996-01-18 Linear transmitter and method of operation
FR9700069A FR2743961B1 (en) 1996-01-18 1997-01-07 Method and circuit linear transmitter to reduce interference of the adjacent channels in a telecommunications system division multiple access in time
DE1997101351 DE19701351C2 (en) 1996-01-18 1997-01-16 Linear Galvanized stations

Publications (3)

Publication Number Publication Date
GB9600977D0 GB9600977D0 (en) 1996-03-20
GB2309342A GB2309342A (en) 1997-07-23
GB2309342B true GB2309342B (en) 2000-08-23

Family

ID=10787183

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9600977A Expired - Lifetime GB2309342B (en) 1996-01-18 1996-01-18 Linear transmitter and method of operation

Country Status (3)

Country Link
DE (1) DE19701351C2 (en)
FR (1) FR2743961B1 (en)
GB (1) GB2309342B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60310038T2 (en) * 2003-05-23 2007-06-28 Sony Ericsson Mobile Communications Ab QAM transmitter of a wireless communication device and method for stabilizing the power level of the QAM transmitter in a cellular network environment
US20070161356A1 (en) * 2006-01-12 2007-07-12 Hoon Bryan A Method and apparatus for improved carrier feed thru rejection for a linear amplifier
US10361745B2 (en) 2017-06-28 2019-07-23 Qualcomm Incorporated Systems and methods for reducing transmit and receive power via a T/R switch
US10367535B2 (en) 2017-12-15 2019-07-30 Motorola Solutions, Inc. Cartesian loop circuits, transmitters, devices, and related methods

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405445A2 (en) * 1989-06-27 1991-01-02 Nec Corporation Output waveform control circuit
EP0407135A2 (en) * 1989-07-05 1991-01-09 Matsushita Electric Industrial Co., Ltd. Apparatus for controlling transmission output level for burst signal
EP0537690A2 (en) * 1991-10-14 1993-04-21 Nec Corporation Burst control circuit for use in TDMA communications system
GB2263596A (en) * 1991-07-22 1993-07-28 Motorola Inc Transition generating between on and off states of a radio frequency transmitter
EP0588424A1 (en) * 1992-09-18 1994-03-23 Philips Electronics Uk Limited Buest control in a power amplifier for a TDMA communication system
EP0648012A1 (en) * 1993-09-29 1995-04-12 Linear Modulation Technology Ltd Power control for cartesian amplifiers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2927896B2 (en) * 1990-06-28 1999-07-28 日本電気株式会社 Spectrum suppression circuit
US5066923A (en) * 1990-10-31 1991-11-19 Motorola, Inc. Linear transmitter training method and apparatus
JP2871889B2 (en) * 1991-04-16 1999-03-17 三菱電機株式会社 RF power amplifier
DE4313152A1 (en) * 1993-04-22 1994-10-27 Sel Alcatel Ag RF amplifier with signal level control and thus equipped radio transmitter
GB9316869D0 (en) * 1993-08-13 1993-09-29 Philips Electronics Uk Ltd Transmitter and power amplifier therefor
US5590418A (en) * 1993-09-30 1996-12-31 Motorola, Inc. Method and apparatus for stabilizing the gain of a control loop in a communication device
GB2293935B (en) * 1994-10-03 1999-07-14 Linear Modulation Tech Automatic calibration of carrier suppression and loop phase in a cartesian amplifier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405445A2 (en) * 1989-06-27 1991-01-02 Nec Corporation Output waveform control circuit
EP0407135A2 (en) * 1989-07-05 1991-01-09 Matsushita Electric Industrial Co., Ltd. Apparatus for controlling transmission output level for burst signal
GB2263596A (en) * 1991-07-22 1993-07-28 Motorola Inc Transition generating between on and off states of a radio frequency transmitter
EP0537690A2 (en) * 1991-10-14 1993-04-21 Nec Corporation Burst control circuit for use in TDMA communications system
EP0588424A1 (en) * 1992-09-18 1994-03-23 Philips Electronics Uk Limited Buest control in a power amplifier for a TDMA communication system
EP0648012A1 (en) * 1993-09-29 1995-04-12 Linear Modulation Technology Ltd Power control for cartesian amplifiers

Also Published As

Publication number Publication date
DE19701351A1 (en) 1997-10-30
DE19701351C2 (en) 2003-04-24
FR2743961B1 (en) 1998-12-31
FR2743961A1 (en) 1997-07-25
GB9600977D0 (en) 1996-03-20
GB2309342A (en) 1997-07-23

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160117