Page 81 of 240
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`Application No,: 13/167,659
`Amendment dated February 19, 2013
`Reply to Office Action of November 23, 2012
`
`4
`
`Docket No,: 101005
`Customer No.: 23696
`
`an envelope amplifier operative to receive an envelope signal and the boosted supply
`
`voltage and generate a second supply voltage based on the envelope signal and the boosted
`
`supply voltage.
`
`9.
`
`(Original)
`
`The apparatus of claim 8, wherein the envelope amplifier is operative to
`
`further receive the first supply voltage and generate the second supply voltage based onthefirst
`
`supply voltage or the boosted supply voltage.
`
`10.
`
`(Currently Amended) An apparatus for wireless communication, comprising:
`
`a power amplifier operative to receive and amplify an input radio frequency (RF) signal
`
`and provide an output RF signal; and
`
`a supply generator operative to receive an envelope signal andafirst supply voltage, to
`
`generate a boosted supply voltage having a higher voltage than the first supply voltage, and to
`
`generate a second supply voltage for the power amplifier based on the envelope signal and the
`
`boosted supply voltage, wherein the supply generator incorporates an operational amplifier (op-
`
`amp) operative to receive the envelope signal and provide an amplified signal, a driver operative
`
`to receive the amplified signal and provide a first control signal and a second control signal, a P-
`
`channel metal oxide semiconductor (PMOS) transistor having a gate receiving a first control
`signal, a source receiving the boosted supply voltage or the first supply voltage, and a drain
` providing the second supply voltage, and_an N-channel metal oxide semiconductor (NMOS)
`transistor having a gate receiving the second control signal, a drain providing the second supply
`voltage, and a source coupled to circuit ground.
`
`11.
`
`(Original)
`
`The apparatus of claim 10, wherein the supply generator is operative to
`
`generate the second supply voltage based on the envelope signal and either the boosted supply
`
`voltage orthe first supply voltage.
`
`12.
`
`(Currently Amended)
`
`A method of generating supply voltages, comprising:
`
`generating a boosted supply voltage based onafirst supply voltage, the boosted supply
`
`voltage having a higher voltage than the first supply voltage; and
`
`LA/1318281.1
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`Page 82 of 240
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`Application No,: 13/167,659
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`Reply to Office Action of November 23, 2012
`
`5
`
`Docket No,: 101005
`Customer No.: 23696
`
`generating a second supply voltage based on an envelope signal and the boosted supply
`voltage, wherein the second supply voltage is generated by an envelope amplifier that produces
`the second supply voltage using an operational amplifier (op-amp) that receives the envelope
`signal and provides an amplified signal, a driver that receives the amplified signal and provides a
`first control signal and a second control signal, a P-channel metal oxide semiconductor (PMOS
`
`
`
`transistor that receives the first control signal, a source that receives the boosted supply voltage
`
`or the first supply voltage, and a drain providing the second supply voltage and an N-channel
`metal oxide semiconductor gate (NMOS) transistor that receives the second control signal at a
`
`
`
`
`
`
`
`and provides a second supply voltage through a drain, and a source for circuit grounding.
`
`13.
`
`(Original)
`
`The method of claim 12, wherein the generating the second supply voltage
`
`comprises generating the second supply voltage based on the envelope signal and either the
`
`boosted supply voltage or the first supply voltage.
`
`14.
`
`(Currently Amended) An apparatus for generating supply voltages, comprising:
`
`
`
`means for generating a boosted supply voltage based onafirst supply voltage, the
`
`boosted supply voltage having a higher voltage than the first supply voltage; and
`
`means for generating a second supply voltage based on the envelope signal and the
`boosted supply voltage , wherein the means for generating the second supply voltage
`incorporates an envelope amplifier that produces the second supply voltage using an operational
`amplifier (op-amp) that receives the envelope signal and provides an amplified signal, a driver
`that receives the amplified signal and provides a first control signal and a second control signal, a
`
`P-channel metal oxide semiconductor transistor that receives the first control signal, a (PMOS)
`
`source that receives the boosted supply voltage or the first supply voltage, and a drain providin
`the second supply voltage and an N-channel metal oxide semiconductor (NMOS) transistor that
`
`
`
`receives the second control signal at a gate and provides a second supply voltage through a drain,
`
`and a sourcefor circuit grounding..
`
`15.
`
`(Original)
`
`The apparatus of claim 14, wherein the means for generating the second
`
`supply voltage comprises means for generating the second supply voltage based on an envelope
`
`signal and either the boosted supply voltage or the first supply voltage.
`
`LA/1318281.1
`
`Page 82 of 240
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`

`

`Page 83 of 240
`
`Application No,: 13/167,659
`Amendment dated February 19, 2013
`Reply to Office Action of November 23, 2012
`
`6
`
`16.
`
`(Canceled)
`
`Docket No,: 101005
`Customer No.: 23696
`
`17.
`
`(Currently Amended)
`
`Theapparatus of claim 18 44, further comprising:
`
`a boost converter operative to receive the first supply voltage and provide a boosted
`
`supply voltage having a higher voltage than the first supply voltage, wherein the envelope
`
`amplifier operates based on thefirst supply voltage or the boosted supply voltage.
`
`18.
`
`(Currently Amended)
`
`heapparatus-ofelaims An apparatus comprising:
`
`a switcher operative to receive a first supply voltage and provide a first supply current;
`
`an_envelope amplifier operative to receive an envelope signal and provide a second
`
`supply current based on the envelope signal; and
`
`
`
`a power amplifier operative to receive an envelope signal and provide a second suppl
`
`current based on the envelope signal; and
`
`a power amplifier operative to receive a total supply current comprising the first supply
`
`current and the second supply current, wherein the switcher comprises
`
`a current sense amplifier operative to sense the first supply current, or the second supply
`
`current, or the total supply current and provide a sensedsignal,
`
`a driver operative to receive the sensed signal and provide a first control signal and a
`
`second control signal,
`
`a P-channel metal oxide semiconductor (PMOS) transistor having a gate receiving the
`
`first control signal, a source receiving the first supply voltage, and a drain providing a switching
`
`signal for an inductor providingthe first supply current, and
`
`an N-channel metal oxide semiconductor (NMOS)transistor having a gate receiving the
`
`second control signal, a drain providing the switching signal, and a source coupled to circuit
`
`ground,
`
`19.
`
`(Currently Amended) The apparatus of claim [[16]]18, wherein the first supply current
`
`comprises direct current (DC) and low frequency components, and wherein the second supply
`
`current comprises higher frequency components.
`
`LA/1318281.1
`
`Page 83 of 240
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`

`

`Page 84 of 240
`
`Application No,: 13/167,659
`Amendment dated February 19, 2013
`Reply to Office Action of November 23, 2012
`
`fi
`
`20.
`
`(Canceled)
`
`Docket No,: 101005
`Customer No.: 23696
`
`21.
`
`(Currently Amended)
`
`The apparatus of claim 22 20, wherein the switcher operates
`
`based on a first supply voltage, and wherein the offset is determined based on thefirst supply
`
`voltage.
`
`22.
`
`(Currently Amended)
`
`Fhe-apparatus-efelata20 An apparatus comprising:
`
`an inductor operative to receive a switching signal and provide a supply current: and
`
`a switcher operative to sense an input current and generate the switching signal to charge
`and discharge the inductor to provide the supply current, the switcher adding an offset to the
`input current to generate a larger supply current via the inductor than without the offset, wherein
`the switcher comprises
`
`a summeroperative to sum the input current and an offset current and provide a summed
`
`current,
`
`a current sense amplifier operative to receive the summed current and provide a sensed
`
`signal, and
`
`a driver operative to receive the sensed signal and provide at least one control signal used
`
`to generate the switching signal for the inductor.
`
`23.
`
`(Original)
`
`The apparatus of claim 22, wherein the at
`
`least one control signal
`
`comprises a first control signal and a second control signal, and wherein the switcher further
`
`comprises
`
`a P-channel metal oxide semiconductor (PMOS)transistor having a gate receiving the
`
`first control signal, a source receiving a first supply voltage, and a drain providing the switching
`
`signal, and
`
`an N-channel metal oxide semiconductor (NMOS)transistor having a gate receiving the
`
`second control signal, a drain providing the switching signal, and a source coupled to circuit
`
`ground.
`
`LA/1318281.1
`
`Page 84 of 240
`
`

`

`Page 85 of 240
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`Application No,: 13/167,659
`Amendmentdated February 19, 2013
`Reply to Office Action of November 23, 2012
`
`8
`
`Docket No,: 101005
`Customer No.: 23696
`
`24.
`
`(Currently Amended)
`
`Theapparatus of claim 22 20, further comprising:
`
`an envelope amplifier operative to receive an envelope signal and provide a second
`
`supply current based on the envelope signal, wherein a total supply current comprises the supply
`
`current from the switcher and the second supply current from the envelope amplifier.
`
`25.
`
`(Original)
`
`The apparatus of claim 24, further comprising:
`
`a boost converter operative to receive the first supply voltage and provide a boosted
`
`supply voltage having a higher voltage than the first supply voltage, wherein the envelope
`
`amplifier operates based onthefirst supply voltage or the boosted supply voltage.
`
`26.
`
`(Currently Amended)
`
`Theapparatus of claim 22 20, further comprising:
`
`a power amplifier operative to receive the supply current from the inductor and to receive
`
`and amplify an input radio frequency (RF) signal and provide an output RFsignal.
`
`LA/1318281.1
`
`Page 85 of 240
`
`

`

`Page 86 of 240
`
`Application No,: 13/167,659
`Amendment dated February 19, 2013
`Reply to Office Action of November 23, 2012
`
`9
`
`Docket No,: 101005
`Customer No.: 23696
`
`REMARKS/ARGUMENTS
`
`The above identified patent application has been amended and reconsideration and
`
`reexamination are hereby requested.
`
`Claims 3-15, 17-19, and 21-26 are now pendingin the application. Claims 1, 2, 16, and
`
`20 have been canceled. Claims 3, 4, 6-8, 10, 12, 14, 17-19, 21, 22, 24, and 26 have been
`
`amended. No new matter has been added, as the claim amendments and new claims have
`
`support in the application as originally filed.
`
`Claim Rejections - 35 U.S.C. § 112(b)
`
`Claim 3 was objected under 35 U.S.C. § 112(b), second paragraph, as being indefinite for
`
`failing to particularly point out and distinctly claim the subject matter which the Applicant
`
`regards as the invention. According to the Office Action, the conditions where the envelope
`
`amplifier operated according to “first threshold” and/or “second threshold” is not seen disclosed
`
`in the specification.
`
`The Applicant respectfully directs the Examiner’s attention to paragraphs [0034] and
`
`[0051] which disclose the envelope amplifier being operated according to a “first threshold”
`
`and/or a “second threshold” and requests that the rejection be withdrawn.
`
`Claims Rejections - 35 U.S.C. § 102
`
`The Examinerhas rejected claims 1, 2, 6-17, 19-21, and 24-26 under 35 U.S.C. § 102(a)
`
`as being anticipated by Kim et al.
`
`(RMO3D-1 “High Efficiency and Wideband Envelope
`
`Tracking Power Amplifier with Sweet Spot Tracking,” hereinafter “Kim”). Rejections to claims
`
`1, 2, 16, and 20 are moot, as these claims have been canceled.
`
`Kim discloses a high efficiency and wideband envelope tracking power amplifier with
`
`sweet spot tracking. (Title) By modulating the supply voltage of a power amplifier efficiency
`
`may be increased. Linearity is also improved by envelope shaping and sweetspot tracking. The
`
`supply modulator has a combined structure of a switching amplifier and a linear amplifier to
`
`achieve high efficient and wide bandwidth. (Abstract)
`
`Amended independentclaim | recites “... an operational amplifier (op-amp) operative to
`
`receive the envelope signal and provide an amplified signal, a driver operative to receive the
`
`LA/1318281.1
`
`Page 86 of 240
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`

`

`Page 87 of 240
`
`Application No,: 13/167,659
`Amendmentdated February 19, 2013
`Reply to Office Action ofNovember 23, 2012
`
`10
`
`Docket No,: 101005
`Customer No.: 23696
`
`amplified signal and providea first control signal and a second control signal, a P-channel metal
`
`oxide semiconductor (PMOS)transistor having a gate receiving the first control signal, a source
`
`receiving the boosted supply voltage or the first supply voltage, and a drain providing the second
`
`supply voltage, and an N-channel metal oxide semiconductor (NMOS)transistor having a gate
`
`receiving the second control signal, a drain providing the second supply voltage, and a source
`
`coupled to circuit ground.” Amended independent claims 8, 10, 12, 14, 16, and 20 recite similar
`
`limitations. The Applicant submits that Kim does not teach the recitations of claims 1, 8, 10, 12,
`
`14, 16, and 20.
`
`Kim does not disclose the above recitation. Kim Kim discloses a power amplifier with high
`
`efficiency, wideband envelope tracking, and incorporating sweet spot tracking. Kim is silent
`
`regarding an operational amplifier that receives the envelope signal and provide as output an
`
`amplified signal. Kim is also silent regarding a driver that receives the amplified signal and
`
`providesa first control signal and a second control signal. In particular, Kim is silent regarding a
`
`PMOStransistor and and NMOStransistor. Therefore, Kim does not teach “an
`
`operational
`
`amplifier (op-amp) operative to receive the envelope signal and provide an amplified signal, a
`
`driver operative to receive the amplified signal and provide a first control signal and a second
`
`control signal,
`
`a P-channel metal oxide semiconductor (PMOS) transistor having a gate
`
`receiving the first control signal, a source receiving the boosted supply voltage orthe first supply
`
`voltage, and a drain providing the second supply voltage, and an N-channel metal oxide
`
`semiconductor (NMOS)transistor having a gate receiving the second control signal, a drain
`
`providing the second supply voltage, and a source coupled to circuit ground.”
`
`Accordingly, the Applicant submits that claims 1, 8, 10, 12, 14, 16, and 20 are not
`
`anticipated by Kim under 35 U.S.C. § 102(b).
`
`The dependent claims are dependenton their respective base claims and therefore include
`
`all of the features of their respective base claims and additional features therein. As such, these
`
`claims are also allowable based upon their respective base claims and the additional features
`
`therein.
`
`LA/1318281.1
`
`Page 87 of 240
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`

`

`Page 88 of 240
`
`Application No,: 13/167,659
`Amendment dated February 19, 2013
`Reply to Office Action ofNovember 23, 2012
`
`1]
`
`Docket No,: 101005
`Customer No.: 23696
`
`Claim Objections/Allowable Subject Matter
`
`The Examiner has objected to claim 4, 5, 18, 22, and 23 as being dependent upon a
`
`rejected base claim. The Applicant has amended the claim into independent form includingall
`
`of the limitations of the base claim and any intervening claims. Accordingly, claim <> is now
`
`allowable.
`
`CONCLUSION
`
`In light of the amendments contained herein, the Applicant submits that the application is
`
`in condition for allowance, for which early action is requested.
`
`Please charge any fees or overpayments that may be due with this response to Deposit
`
`Respectfully submitted,
`
`
`By: /William Marcus Hooks/
`William M. Hooks
`Reg. No. 48,857
`
`Account No. 17-0026.
`
`Dated: 2013-02-19
`
`QUALCOMM Incorporated
`Attn: Patent Department
`5775 Morehouse Drive
`San Diego, California 92121-1714
`Telephone:
`(858) 658-4351
`Facsimile:
`(858) 658-3984
`
`LA/1318281.1
`
`Page 88 of 240
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`

`

`Application Number
`
`13167659
`
`( Not for submission under 37 CFR 1.99)
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`20050046474
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`2005-03-03
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`MATSUMOTO; Hidetoshi etal.
`
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`101005
`
`STATEMENT BY APPLICANT
`.
`( Not for submission under 37 CFR 1.99)
`
`Art Unit
`
`2817
`
`Attorney Docket Number
`
`
`PISCATAWAY, NJ, 23 May 2005 (2005-05-23), pages 1314-1317, XP010815779.
`
`
`
`Examiner| Cite
`
`Include nameof the author (in CAPITAL LETTERS},title of the article (when appropriate), title of the item
`(book, magazine, journal, serial, symposium, catalog, etc), date, pages(s), volume-issue number(s},
`publisher, city and/or country where published.
`
`TS
`
`CHOI, J et al., "A Polar Transmitter With CMOS Programmable Hysteretic-Controlled Hybrid Switching Supply
`Modulator for Multi standard Applications", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,
`IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 57, no. 7, 1 July 2009 (2009-07-01), pages 1675-1686,
`XP011258456.
`
`ERTL, H et al., "Basic Considerations and Topologies of Switched-Mode Assisted Linear Power Amplifiers", IEEE
`TRANSACTIONS ON INDUSTRIAL ELECTRONICS, IEEE SERVICE CENTER, PISCATAWAY, NJ, USA,vol. 44, no.
`1, 1 February 1997 (1997-02-01), XP011023224.
`
`INTERNATIONAL SEARCH REPORT AND WRITTEN OPINION - PCT/US2012/043915 - ISA/EPO - 2012-11-26
`(101005WO).
`
`KANG D., et al., "A Multimode/Multiband Power Amplifier With a Boosted Supply Modulator", IEEE RANSACTIONS
`ON MICROWAVE THEORY AND TECHNIQUES, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 58, no. 10, 1
`October 2010 (2010-10-01), pages 2598-2608, XP011317521, ISSN: 0018-9480.
`
`KANG, D et al., "LTE Power Amplifier for envelope tracking polar transmitters", MICROWAVE CONFERENCE
`(EUMC), 2010, EUROPEAN, IEEE, PISCATAWAY, NJ, USA, 28 September 2010 (2010-09-28), pages 628-631,
`XP031786114.
`
`KIM D., et al., "High efficiency and wideband envelope tracking power amplifier with sweet spot tracking", RADIO
`FREQUENCY INTEGRATED CIRCUITS SYMPOSIUM (RFIC) , 2010 IEEE, IEEE, PISCATAWAY, NJ, USA, 23 May
`2010 (2010-05-23), pages 255-258, XP031684103, ISBN: 978-1-4244-6240-7.
`
`LI, ¥ et al., "High Efficiency Wide Bandwidth Power Supplies for GSM and EDGE RF Power Amplifiers",
`CONFERENCE PROCEEDINGS / IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) :
`MAY 23 - 26, 2005, INTERNATIONAL CONFERENCE CENTER, KOBE, JAPAN, IEEE SERVICE CENTER,
`
`O
`PARTIAL INTERNATIONAL SEARCH REPORT- PCT/US2012/043915 - INTERNATIONAL SEARCH AUTHORITY
`8
`EUROPEAN PATENT OFFICE 2012-10-04 (101005W0O).
`
`
`9
`
`STAUTH, J.T., et al., "Optimum Bias Calculation for Parallel Hybrid Switching-Linear Regulators", APPLIED POWER
`ELECTRONICS CONFERENCE, APEC 2007 - TWENTY SECOND ANNUALIEEE, IEEE, Pl, 1 February 2007
`(2007-02-01), pages 569-574, XP031085267.
`
`[|
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`First Named Inventor|MATHE; Lennart K.
`
`( Not for submission under 37 CFR 1.99)
`
`EXAMINER SIGNATURE
`
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`Page 91 of 240
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`Application Number
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`Filing Date
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`13167659
`
`2011-06-23
`
`English language translation is attached.
`
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`1 See Kind Codes of USPTO Patent Documents at www.USPTO.GOV or MPEP 901.04.
`Standard ST.3). 3 For Japanese patent documents,the indication of the year of the reign of the Emperor must precede the serial number of the patent document.
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`101005
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`( Not for submission under 37 CFR 1.99)
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`Attorney Docket Number
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`[_]
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`OR
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`[-]
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`That no item of information contained in the information disclosure statement was cited in a communication from a
`foreign patent office in a counterpart foreign application, and, to the knowledge cof the person signing the certification
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`[_] See attached certification statement.
`[x] The fee set forth in 37 CFR 1.17 (p) has been submitted herewith.
`[_] Acertification statementis not submitted herewith.
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`form of the signature.
`
`
`2013-02-22
`Date (YYYY-MM-DD)
`{William Marcus Hooks/
`Signature
`
`
`48857
`Registration Number
`William M. Hooks
`Name/Print
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`to the Patent Cooperation Treaty.
`
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`National Security review (35 U.S.C. 181) and for review pursuant to the Atomic Energy Act (42 U.S.C. 218(c)).
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`determinations about individuals.
`
`The Privacy Act of 1974 (P.L. 93-579) requires that you be given certain information in connection with your submission of the
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`EFS Web2.1.17
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`Page 93 of 240
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`

`

`Page 94 of 240
`
`PATENT COOPERATION TREATY
`
`From the INTERNATIONAL SEARCHING AUTHORITY
`
`
` “Hooks, William M.
`INVITATION TO PAY ADDITIONAL FEES
`QUALCOMM INCORPORATED
`
`AND, WHERE APPLICABLE, PROTEST FEE
`5775 Morehouse Drive
`
`(PCT Article 17(3)(a) and Rule 40.1 and 40.2(e))
`San Diego, CA 92121-1714
`ETATS-UNIS D'AMERIQUE
`
`PCT
`
`Applicant's or agent's file reference
`101005WO
`within ONE MONTHfrom
`the above date of mailing
`
`International application No.
`International filing date
`day/month/year,
`PCT/US2012/043915
`(ay
`meet
`24 June 2012 (24-06-2012)
`Applicant
`
`Date of mailing
`(day/month/year)
`PAYMENT DUE
`
`4 October 2012 (04-10-2012)
`
`
`
`
`QUALCOMM INCORPORATED
`
`
`
`
`
`1. This International Searching Authority
`
`(i)
`
`5
`considers that there are
`by the claims indicated on an extra sheet:
`
`(number of) inventions claimed in the international application covered
`
`(ii)
`
`(iv) will establish the international search report on the other parts of the international application only if, and to the extent
`to which, additional fees are paid.
`
`
`
`therefore considers that the international application does not comply with the requirements of unity of invention
`(Rules 13.1, 13.2 and 13.3) for the reasons indicated on an extra sheet:
`
`
`
`
`
`(iii)
`has carried out a partial international search (see Annex)
`C] will establish the international search report -
`on thoseparts of the international application which relate to the invention first mentioned in claims Nos.:
`
`
`see extra sheet
`
`
`
`Consequently, the applicant is hereby invited to pay, within the timelimit indicated above, the amountindicated below:
`
`
`
`EUR_1.875,00 % 4 - EUR 7.500,00
`
`currency/total amount of additional fees
`Fee per additionalinvention
`numberof additional inventions
`
`
`
`
` The applicantis informed that, according to Rule 40.2(c),; the payment of any additional fee may be madeunder protest,
`i.e., a reasoned statementto the effect that the international.application complies with the requirement of unity of invention
`or that the amount of the required additional fee is excessive, where applicable, subject to the paymentof a protestfee.
`Where the applicant pays additional fees under protest, the applicant is hereby invited, within the timelimit indicated above,
`to pay a protest fee (Rule 40.2(e)) in the amount of
`EUR 830,00
`(Carrenarancin®
`
`
`
`Wherethe applicant has not, within the time limit indicated above, paid the required protest fee, the protest will be considered
`not to have been made andthe International Searching Authority will so declare.
`
`
`
`
`have been found to be unsearchable under
`Claim(s) Nos.
`Article 17(2)(b) because of defects under Article 17(2)(a) and therefore have not been included with any invention.
`
`
`
`Name and mailing address of the International Searching Authority
`European Patent Office, P.B. 5818 Patentlaan 2
`Tel. (+31-70) 340-2040
`Fax: (+31-70) 340-3016
`
`9) NL-2280 HV Rijswijk
`
`Authorized officer
`GHILINI. Mari
`Tel: +49 (0)89 2399-6121
`
`see
`
`Form PCT/ASA/206 (April 2005)
`Registered Mail
`
`Page 94 of 240
`
`

`

`Page 95 of 240
`International application No.
`
`INVITATION TO PAY ADDITIONAL FEES
`
`PCT/US20 12/0439 15
`
`This International Searching Authority found multiple (groups of)
`inventions in this international application, as follows:
`
`. Claims: 1-15
`
`Independent claim 1 in connection with dependent claims 2-5
`and independent claim 8 in connection with dependent claim 9
`define a device comprising a boost converter that generates
`from a first supply voltage a boosted supply voltage, and an
`envelope amplifier that receives an envelope signal,
`the
`first supply voltage, and the boosted supply voltage, and
`generates a second supply voltage based thereon.
`
`. Claim: 6
`
`in connection with dependent claim 6
`Independent claim 1
`defines a device comprising a boost converter that generates
`from a first supply voltage a boosted supply voltage, and an
`envelope amplifier that receives an envelope signal and the
`boosted supply voltage, and generates a second supply
`voltage based thereon, wherein the envelope amplifier feeds
`an RF power amplifier.
`
`. claim:
`
`7
`
`Independent claim 1 in connection with dependent claim 7
`defines a device comprising a boost converter that generates
`from a first supply voltage a boosted supply voltage, and an
`envelope amplifier that receives an envelope signal and the
`boosted supply voltage, and generates a second supply
`voltage based thereon, wherein the first supply voltage is a
`battery voltage.
`
`. Claims: 10-15
`
`receives a total supply current comprising the first and
`
`Independent claim 10 in connection with dependent claim 11
`and independent claim 12 in connection with dependent claim
`13 and independent claim 14 in connection with dependent
`claim 15 define a device or method comprising a boost
`converter that generates from a first supply voltage a
`boosted supply voltage, and an envelope amplifier that
`receives an envelope signal and the boosted supply voltage,
`and g