US7342444B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power amplifying apparatus using asymmetric power drive
Assignee: Samsung Electronics Co Ltd
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Filing: 2005-12-27
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Granted: 2008-03-11
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Expires: 2025-12-27
Abstract
Abstract A power amplifying apparatus includes a Doherty amplifier having a carrier amplifier and a peaking amplifier connected in parallel, each having an input/output matching circuit and an asymmetric power driver for driving the carrier amplifier and the peaking amplifier using an asymmetric power driver.
Inventors
- 👤 Bumman Kim
- 👤 Jeonghyeon Cha
- 👤 Jangheon Kim
- 👤 Ildu Kim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:13
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/60; H03F3/602; H03F1/00; H03F1/02; H03F1/0205; H03F1/0288; H03F2200/00; H03F2200/198; H03F2200/387; H03F2200/451
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
69 words
A Doherty amplifier, comprising: a carrier amplifier and a peaking amplifier connected in parallel; and an asymmetric power driving means for driving the carrier amplifier and the peaking amplifier using an asymmetric power drive, wherein the asymmetric power driving means supplies an identical power to the carrier amplifier and the peaking amplifier and wherein a device size of the carrier amplifier is different from that of the peaking amplifier.
Claim 2
Dependent Claim
69 words
A Doherty amplifier, comprising: a carrier amplifier and a peaking amplifier connected in parallel; and an asymmetric power driving means for driving the carrier amplifier and the peaking amplifier using an asymmetric power drive, wherein the asymmetric power driving means supplies an identical power to the carrier amplifier and the peaking amplifier and wherein a device size of the carrier amplifier is different from that of the peaking amplifier.
Claim 3
Dependent Claim
64 words
A Doherty amplifier, comprising: a carrier amplifier and a peaking amplifier connected in parallel; and an asymmetric power driving means for driving the carrier amplifier and the peaking amplifier using an asymmetric power drive, wherein the asymmetric power driving means includes a coupler having an optional coupling ratio and supplies a power to the peaking amplifier higher than that supplied to the carrier amplifier.
Claim 4
Dependent Claim
64 words
A Doherty amplifier, comprising: a carrier amplifier and a peaking amplifier connected in parallel; and an asymmetric power driving means for driving the carrier amplifier and the peaking amplifier using an asymmetric power drive, wherein the asymmetric power driving means includes a coupler having an optional coupling ratio and supplies a power to the peaking amplifier higher than that supplied to the carrier amplifier.
Claim 5
Dependent Claim
81 words
A Doherty amplifier, comprising: a carrier amplifier and a peaking amplifier connected in parallel; and an asymmetric power driving means for driving the carrier amplifier and the peaking amplifier using an asymmetric power drive, wherein the asymmetric power driving means includes: a power divider for distributing an input power to the carrier amplifier and the peaking amplifier; and an amplifier, interposed between the power divider and the peaking amplifier, for amplifying an amplitude of a power distributed to the peaking amplifier.
Claim 6
Dependent Claim
81 words
A Doherty amplifier, comprising: a carrier amplifier and a peaking amplifier connected in parallel; and an asymmetric power driving means for driving the carrier amplifier and the peaking amplifier using an asymmetric power drive, wherein the asymmetric power driving means includes: a power divider for distributing an input power to the carrier amplifier and the peaking amplifier; and an amplifier, interposed between the power divider and the peaking amplifier, for amplifying an amplitude of a power distributed to the peaking amplifier.
Claim 7
Dependent Claim
105 words
A power amplifying apparatus, comprising: a Doherty amplifier having a single carrier amplifier and a plurality of peaking amplifiers, the carrier amplifier and the peaking amplifiers being connected in parallel; an asymmetric power driving means for driving the carrier amplifier and the peaking amplifiers using an asymmetric power drive; and a Doherty network, connected to an output end of the Doherty amplifier, for controlling a load impedance of the amplifying apparatus, wherein the asymmetric power driving means supplies powers to the peaking amplifiers higher than that supplied to the carrier amplifier and amplitudes of the powers to the peaking amplifiers are identical to each other.
Claim 8
Dependent Claim
105 words
A power amplifying apparatus, comprising: a Doherty amplifier having a single carrier amplifier and a plurality of peaking amplifiers, the carrier amplifier and the peaking amplifiers being connected in parallel; an asymmetric power driving means for driving the carrier amplifier and the peaking amplifiers using an asymmetric power drive; and a Doherty network, connected to an output end of the Doherty amplifier, for controlling a load impedance of the amplifying apparatus, wherein the asymmetric power driving means supplies powers to the peaking amplifiers higher than that supplied to the carrier amplifier and amplitudes of the powers to the peaking amplifiers are identical to each other.
Claim 9
Dependent Claim
105 words
A power amplifying apparatus, comprising: a Doherty amplifier having a single carrier amplifier and a plurality of peaking amplifiers, the carrier amplifier and the peaking amplifiers being connected in parallel; an asymmetric power driving means for driving the carrier amplifier and the peaking amplifiers using an asymmetric power drive; and a Doherty network, connected to an output end of the Doherty amplifier, for controlling a load impedance of the amplifying apparatus. wherein the asymmetric power driving means supplies identical powers to the carrier amplifier and the peaking amplifiers and wherein a device size of the carrier amplifier is different from those of the peaking amplifiers.
Claim 10
Dependent Claim
105 words
A power amplifying apparatus, comprising: a Doherty amplifier having a single carrier amplifier and a plurality of peaking amplifiers, the carrier amplifier and the peaking amplifiers being connected in parallel; an asymmetric power driving means for driving the carrier amplifier and the peaking amplifiers using an asymmetric power drive; and a Doherty network, connected to an output end of the Doherty amplifier, for controlling a load impedance of the amplifying apparatus. wherein the asymmetric power driving means supplies identical powers to the carrier amplifier and the peaking amplifiers and wherein a device size of the carrier amplifier is different from those of the peaking amplifiers.
Claim 11
Dependent Claim
117 words
A power amplifying apparatus, comprising: a Doherty amplifier having a single carrier amplifier and a plurality of peaking amplifiers, the carrier amplifier and the peaking amplifiers being connected in parallel; an asymmetric power driving means for driving the carrier amplifier and the peaking amplifiers using an asymmetric power drive; and a Doherty network, connected to an output end of the Doherty amplifier, for controlling a load impedance of the amplifying apparatus, wherein the asymmetric power driving means includes: an optional coupler for distributing an input power to the carrier amplifier and the peaking amplifiers; and an amplifier, interposed between the optional coupler and the peaking amplifiers, for amplifying an amplitude of powers distributed to the peaking amplifiers.
Claim 12
Dependent Claim
117 words
A power amplifying apparatus, comprising: a Doherty amplifier having a single carrier amplifier and a plurality of peaking amplifiers, the carrier amplifier and the peaking amplifiers being connected in parallel; an asymmetric power driving means for driving the carrier amplifier and the peaking amplifiers using an asymmetric power drive; and a Doherty network, connected to an output end of the Doherty amplifier, for controlling a load impedance of the amplifying apparatus, wherein the asymmetric power driving means includes: an optional coupler for distributing an input power to the carrier amplifier and the peaking amplifiers; and an amplifier, interposed between the optional coupler and the peaking amplifiers, for amplifying an amplitude of powers distributed to the peaking amplifiers.
Claim 13
Dependent Claim
68 words
A power amplifying apparatus, comprising: a carrier amplifier and one or more peaking amplifiers connected in parallel, each having input and output matching circuits; and a means for driving the carrier amplifier and the peaking amplifiers using either an asymmetric power drive or a symmetric power drives, wherein the output matching circuits in the carrier amplifier and in the peaking amplifiers have load impedances different from each other.
Claim 14
Dependent Claim
68 words
A power amplifying apparatus, comprising: a carrier amplifier and one or more peaking amplifiers connected in parallel, each having input and output matching circuits; and a means for driving the carrier amplifier and the peaking amplifiers using either an asymmetric power drive or a symmetric power drives, wherein the output matching circuits in the carrier amplifier and in the peaking amplifiers have load impedances different from each other.
Claim 15
Dependent Claim
31 words
The power amplifying apparatus of claim 7 , wherein the load impedances of the input matching circuits in the carrier amplifier and in the peaking amplifiers are different from each other.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2011-03-11 | 2011-09-10 | 2012-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-03-11 | 2015-09-10 | 2016-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2019-03-11 | 2019-09-10 | 2020-03-11 | $7700.00 | Window Closed / Lapsed |