WO2006116743A3 - Radio frequency power amplifier and method using an amplitude control system - Google Patents

Radio frequency power amplifier and method using an amplitude control system Download PDF

Info

Publication number
WO2006116743A3
WO2006116743A3 PCT/US2006/016452 US2006016452W WO2006116743A3 WO 2006116743 A3 WO2006116743 A3 WO 2006116743A3 US 2006016452 W US2006016452 W US 2006016452W WO 2006116743 A3 WO2006116743 A3 WO 2006116743A3
Authority
WO
WIPO (PCT)
Prior art keywords
radio frequency
control system
power amplifier
output
frequency power
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.)
Ceased
Application number
PCT/US2006/016452
Other languages
French (fr)
Other versions
WO2006116743A2 (en
Inventor
William Martin Snelgrove
David Lovelace
Richard Wilson
Kelly Mekechuk
Thomas A Blease Jr
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.)
Pulsewave RF Inc
Original Assignee
Pulsewave RF Inc
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 Pulsewave RF Inc filed Critical Pulsewave RF Inc
Priority to EP06758787A priority Critical patent/EP1883993A2/en
Publication of WO2006116743A2 publication Critical patent/WO2006116743A2/en
Anticipated expiration legal-status Critical
Publication of WO2006116743A3 publication Critical patent/WO2006116743A3/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/191—Tuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)

Abstract

A radio frequency power amplifier and corresponding method is arranged and configured to drive a resonant load. The radio frequency power amplifier includes a radio frequency switching stage with an output that is coupled to a resonant circuit. The switching stage is configured to provide an output signal with amplitude modulation corresponding to amplitude modulation of an input signal when powered from a fixed voltage power supply. The amplifier further includes a feedback control system coupled to the input signal and the output signal, where the feedback control system includes a sequencer configured to provide a sequencer output that is used to drive the radio frequency switching stage. The amplifier also includes an amplitude control system coupled to the output of the radio frequency switching stage and configured to limit an amplitude of the output signal and in some embodiments a power recovery system.
PCT/US2006/016452 2005-04-28 2006-04-28 Radio frequency power amplifier and method using an amplitude control system Ceased WO2006116743A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06758787A EP1883993A2 (en) 2005-04-28 2006-04-28 Radio frequency power amplifier and method using an amplitude control system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US67561405P 2005-04-28 2005-04-28
US67570405P 2005-04-28 2005-04-28
US60/675,614 2005-04-28
US60/675,704 2005-04-28

Publications (2)

Publication Number Publication Date
WO2006116743A2 WO2006116743A2 (en) 2006-11-02
WO2006116743A3 true WO2006116743A3 (en) 2009-04-23

Family

ID=37215581

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/016452 Ceased WO2006116743A2 (en) 2005-04-28 2006-04-28 Radio frequency power amplifier and method using an amplitude control system

Country Status (2)

Country Link
EP (1) EP1883993A2 (en)
WO (1) WO2006116743A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968384A (en) * 1974-10-21 1976-07-06 Gte Automatic Electric Laboratories Incorporated Constant percentage clipping circuit
US6373334B1 (en) * 2000-06-12 2002-04-16 Cirrus Logic, Inc. Real time correction of a digital PWM amplifier
WO2002089322A1 (en) * 2001-04-26 2002-11-07 Telefonaktiebolaget Lm Ericsson Linearized switch-based power amplifier
US6630899B2 (en) * 2000-07-20 2003-10-07 Tripath Technology, Inc. Scheme for maximizing efficiency of power amplifier under power backoff conditions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968384A (en) * 1974-10-21 1976-07-06 Gte Automatic Electric Laboratories Incorporated Constant percentage clipping circuit
US6373334B1 (en) * 2000-06-12 2002-04-16 Cirrus Logic, Inc. Real time correction of a digital PWM amplifier
US6630899B2 (en) * 2000-07-20 2003-10-07 Tripath Technology, Inc. Scheme for maximizing efficiency of power amplifier under power backoff conditions
WO2002089322A1 (en) * 2001-04-26 2002-11-07 Telefonaktiebolaget Lm Ericsson Linearized switch-based power amplifier

Also Published As

Publication number Publication date
WO2006116743A2 (en) 2006-11-02
EP1883993A2 (en) 2008-02-06

Similar Documents

Publication Publication Date Title
WO2006104685A3 (en) Radio frequency power amplifier and corresponding method
WO2007149346A3 (en) Radio frequency power amplifier and method using a controlled supply
WO2007100697A3 (en) Class-e radio frequency power amplifier with feedback control
WO2007123792A3 (en) Switching power amplifier
EP1710918A4 (en) TRANSMITTER APPARATUS AND APPARATUS FOR WIRELESS COMMUNICATION
WO2006093984A3 (en) High-efficiency rf amplifier and envelope modulator
WO2002049300A3 (en) Amplitude and phase modulator
WO2003090343A3 (en) Power amplifier
WO2005079240A3 (en) Switching power amplifier using a frequency translating delta sigma modulator
WO2005027297A8 (en) Hybrid switched mode/linear power amplifier power supply for use in polar transmitter
TWI263874B (en) A voltage modulator of a low gain current model and the control method thereof
WO2005079486A3 (en) Dc-dc regulator with switching frequency responsive to load
TW200509547A (en) High frequency power amplification module and wireless communication device
WO2005078921A8 (en) Radio frequency low noise amplifier with automatic gain control
TW200518535A (en) High performance modulator architecture for the outphasing rf amplifier
WO2008088025A1 (en) Amplification circuit and radio communication device
WO2004047351A3 (en) Radio frequency power amplifier adaptive bias control circuit
WO2004055962A3 (en) Resonance converter with voltage control and method for driving variable loads
TW200717980A (en) Control circuit and method of DC-DC converter
TW200617631A (en) Pulse width modulation device employing output voltage feedback hysteresis circuit controlling power saving mode
ATE515105T1 (en) POWER AMPLIFIER
WO2006116741A3 (en) Radio frequency power amplifier and method using a plurality of feedback systems
WO2007124422A3 (en) Low power output stage
WO2007040826A3 (en) A radio frequency power amplifier circuit and method
WO2006031903A3 (en) Switching power supply control

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2006758787

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU