CA2584213A1 - Systems and methods for vector power amplification - Google Patents

Systems and methods for vector power amplification Download PDF

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Publication number
CA2584213A1
CA2584213A1 CA002584213A CA2584213A CA2584213A1 CA 2584213 A1 CA2584213 A1 CA 2584213A1 CA 002584213 A CA002584213 A CA 002584213A CA 2584213 A CA2584213 A CA 2584213A CA 2584213 A1 CA2584213 A1 CA 2584213A1
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Prior art keywords
frequency
baseband
phase
information
amplifying
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CA002584213A
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French (fr)
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CA2584213C (en
Inventor
David F. Sorrells
Gregory S. Rawlins
Michael W. Rawlins
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ParkerVision Inc
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Parkervision, Inc.
David F. Sorrells
Gregory S. Rawlins
Michael W. Rawlins
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Publication of CA2584213A1 publication Critical patent/CA2584213A1/en
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Publication of CA2584213C publication Critical patent/CA2584213C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • 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
    • H03F3/193—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • 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
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3215—To increase the output power or efficiency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/045—Circuits with power amplifiers with means for improving efficiency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Abstract

A method of amplifying and frequency up-converting baseband signals comprising: accepting an input clock (510) at a frequency that corresponds to the desire output frequency; independently amplifying (562) baseband in-phase (I vector) envelope and phase information at the desired output frequency;
independently amplifying (564) baseband quadrature (Q vector) envelope and phase information at the desired output frequency; summing (572) the amplified baseband in-phase and quadrature information to produce the desired waveform on the desired frequency.

Claims (24)

1. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;
2) independently amplifying baseband in-phase (I vector) envelope and phase information at the desired output frequency;
3) independently amplifying baseband quadrature (Q vector) envelope and phase information at the desired output frequency; and
4) summing the amplified baseband in-phase and quadrature information to produce the desired waveform on the desired output frequency.

2. The method of claim 1, wherein step 4) is achieved by direct coupling of the output stages.

3. The method of claim 1, wherein steps 2)-4) are achieved using a multiple input single output amplifier.

4. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;
2) independently non-linearly amplifying baseband in-phase (I vector) envelope and phase information at the desired output frequency;
3) independently non-linearly amplifying baseband quadrature envelop and phase (Q vector) information at the desired output frequency; and 4) summing the non-linearly amplified baseband in-phase and quadrature information to produce the desired linear waveform on the desired output frequency.
5. The method of claim 4, wherein step 4) is achieved via direct coupling of the output stages.
6. The method of claim 4, wherein steps 2)-4) are achieved using a multiple input single output amplifier.
7. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;
2) controlling the phase relationship between two or more non-linear signals to amplify the baseband in-phase (I vector) envelope information;
3) controlling the phase relationship between two or more non-linear signals to amplify the baseband quadrature (Q vector) envelope information; and 4) summing the non-linear amplified baseband in-phase and quadrature information to produce the desired linear waveform on the desired output frequency.
8. The method of claim 7, wherein step 4) is achieved via direct coupling of the output stages.
9. The method of claim 7, wherein steps 2)-4) are achieved using a multiple input single output amplifier.
10. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;

2) controlling the phase relationship between two or more signals to amplify the baseband in-phase (I vector) envelope information;
3) controlling the phase relationship between two or more signals to amplify the baseband quadrature (Q vector) envelope information; and 4) summing the amplified baseband in-phase and quadrature information to produce the desired linear waveform on the desired output frequency.
11. The method of claim 10, wherein step 4) is achieved via direct coupling of the output stages.
12. The method of claim 10, wherein steps 2)-4) are achieved using a multiple input single output amplifier.
13. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;
2) independently amplifying baseband in-phase (I vector) envelope information at the desired output frequency;
3) independently amplifying baseband quadrature (Q vector) envelope information at the desired output frequency; and 4) summing the amplified baseband in-phase and quadrature information orthogonally to produce the desired waveform on the desired frequency.
14. The method of claim 13, wherein step 4) is achieved via direct coupling of the output stages.
15. The method of claim 13, wherein steps 2)-4) are achieved using a multiple input single output amplifier.
16. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;
2) normalizing in-phase and quadrature baseband signals to determine a relative phase angle;
3) determining the magnitude of in-phase and quadrature baseband signals;
4) generating two or more substantially constant envelope signals;
5) amplifying the two or more substantially constant envelope signals;
and 6) processing the relative phase angle of step 2) and magnitude information of step 3) by summing the amplified two or more substantially constant envelope signals to generate the desired waveform.
17. The method of claim 16, wherein step 6) is achieved via direct coupling of the output stages.
18. The method of claim 16, wherein steps 5) and 6) are achieved using a multiple input single output amplifier.
19. A method of amplifying and frequency up-converting baseband signals, comprising:
1) accepting an input clock at a frequency that corresponds to the desired output frequency;
2) accepting in-phase and quadrature baseband information;
3) generating two or more substantially constant envelope signals derived from the information in step 2);

4) amplifying the two or more substantially constant envelope signals;
and 5) summing the amplified two or more substantially constant envelope signals to generate the desired waveform.
20. The method of claim 19, wherein step 5) is achieved via direct coupling of the output stages.
21. The method of claim 19, wherein steps 4) and 5) are achieved using a multiple input single output amplifier.
22. A method of amplifying and frequency up-converting baseband signals, comprising:
1) receiving a radio frequency carrier signal;
2) demodulating the radio frequency carrier signal to produce in-phase and quadrature baseband information;
3) accepting an input clock at a frequency that corresponds to the desired output frequency;
4) generating two or more substantially constant envelope signals derived from the information in step 2);
5) amplifying the two or more substantially constant envelope signals;
and 6) summing the amplified two or more substantially constant envelope signals to generate the desired waveform.
23. The method of claim 22, wherein step 6) is achieved via direct coupling of the output stages.
24. The method of claim 22, wherein steps 5) and 6) are achieved using a multiple input single output amplifier.
CA2584213A 2004-10-22 2005-10-24 Systems and methods for vector power amplification Expired - Fee Related CA2584213C (en)

Applications Claiming Priority (17)

Application Number Priority Date Filing Date Title
US62097204P 2004-10-22 2004-10-22
US60/620,972 2004-10-22
US67153605P 2005-04-15 2005-04-15
US67154205P 2005-04-15 2005-04-15
US60/671,536 2005-04-15
US60/671,542 2005-04-15
US67339705P 2005-04-21 2005-04-21
US60/673,397 2005-04-21
US70600305P 2005-08-08 2005-08-08
US60/706,003 2005-08-08
US70909205P 2005-08-18 2005-08-18
US60/709,092 2005-08-18
US71724405P 2005-09-16 2005-09-16
US60/717,244 2005-09-16
US72111405P 2005-09-28 2005-09-28
US60/721,114 2005-09-28
PCT/US2005/038106 WO2006047377A2 (en) 2004-10-22 2005-10-24 Systems and methods for vector power amplification

Publications (2)

Publication Number Publication Date
CA2584213A1 true CA2584213A1 (en) 2006-05-04
CA2584213C CA2584213C (en) 2012-01-03

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CA2584213A Expired - Fee Related CA2584213C (en) 2004-10-22 2005-10-24 Systems and methods for vector power amplification

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US (26) US7327803B2 (en)
EP (2) EP1813069B1 (en)
JP (1) JP5296381B2 (en)
KR (1) KR101171133B1 (en)
CA (1) CA2584213C (en)
ES (1) ES2432371T3 (en)
WO (1) WO2006047377A2 (en)

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