JP2014022858A - 電力増幅器 - Google Patents
電力増幅器 Download PDFInfo
- Publication number
- JP2014022858A JP2014022858A JP2012158290A JP2012158290A JP2014022858A JP 2014022858 A JP2014022858 A JP 2014022858A JP 2012158290 A JP2012158290 A JP 2012158290A JP 2012158290 A JP2012158290 A JP 2012158290A JP 2014022858 A JP2014022858 A JP 2014022858A
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- Prior art keywords
- power amplifier
- power supply
- terminal
- supply terminal
- bias
- Prior art date
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- Pending
Links
- 230000003321 amplification Effects 0.000 claims abstract description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 37
- 230000007423 decrease Effects 0.000 description 12
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000010355 oscillation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- 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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
- H03F1/0272—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output signal
-
- 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
-
- 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
- H03F1/0283—Reducing the number of DC-current paths
-
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor 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
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/411—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power stages
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
【解決手段】電力増幅器1は、増幅素子11,12とバイアス回路13と共通電源端子P6と抵抗R1とを備える。バイアス回路13は、増幅素子11,12に接続され、増幅素子11,12の入力端子にバイアス電圧を供給する。バイアス回路13と増幅素子11の出力バイアス端子とは、共通電源端子P6に接続される。抵抗R1は、バイアス回路13と共通電源端子P6との間に接続される。
【選択図】図1
Description
11,12 増幅素子
13 バイアス回路
14 検波回路
21,22,23 ボンディングワイヤ
R1 抵抗
C1,C2,C3,C1P,C2P バイパスコンデンサ
L1 チョークコイル
L2 インダクタ
P1 入力端子
P2 出力端子
P3 入力バイアス端子
P4,P5 出力バイアス端子
P6 共通電源端子
P7,P61P,P62P 電源端子
P8 外部電源端子
Claims (5)
- 増幅素子と、
前記増幅素子に接続され、前記増幅素子の入力端子にバイアス電圧を供給するバイアス回路と、
前記バイアス回路と前記増幅素子の出力バイアス端子とが接続される共通電源端子と、
前記バイアス回路と前記共通電源端子との間に直列接続される抵抗またはインダクタとを備えることを特徴とする電力増幅器。 - 前記抵抗またはインダクタの一方端と前記バイアス回路との接続点に一方端が接続され、グランドに他方端が接続されたコンデンサを備えることを特徴とする請求項1に記載の電力増幅器。
- 前記共通電源端子と前記抵抗またはインダクタとの接続は、ボンディングワイヤによりなされることを特徴とする請求項1または2に記載の電力増幅器。
- 前記抵抗またはインダクタの値は、前記抵抗またはインダクタの値に対する電力利得および出力バイアス電流が一定になる範囲内にあることを特徴とする請求項1ないし3のいずれかに記載の電力増幅器。
- 前記共通電源端子と異なる電源端子を備え、
前記増幅素子は、縦続接続され、
最終段の前記増幅素子の前記出力バイアス端子は、前記共通電源端子に接続されず、前記電源端子に接続されることを特徴とする請求項1ないし4のいずれかに記載の電力増幅器。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012158290A JP2014022858A (ja) | 2012-07-17 | 2012-07-17 | 電力増幅器 |
| TW102119738A TW201406054A (zh) | 2012-07-17 | 2013-06-04 | 功率放大器 |
| US13/924,719 US20140022021A1 (en) | 2012-07-17 | 2013-06-24 | Power amplifier |
| CN201310297847.6A CN103647517A (zh) | 2012-07-17 | 2013-07-16 | 功率放大器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012158290A JP2014022858A (ja) | 2012-07-17 | 2012-07-17 | 電力増幅器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2014022858A true JP2014022858A (ja) | 2014-02-03 |
Family
ID=49946059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012158290A Pending JP2014022858A (ja) | 2012-07-17 | 2012-07-17 | 電力増幅器 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140022021A1 (ja) |
| JP (1) | JP2014022858A (ja) |
| CN (1) | CN103647517A (ja) |
| TW (1) | TW201406054A (ja) |
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| JPS6211310A (ja) * | 1985-05-21 | 1987-01-20 | エリクソン ジーイー モービル コミュニケーションズ インコーポレーテッド | Rf増幅器 |
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| JP2009253918A (ja) * | 2008-04-10 | 2009-10-29 | Panasonic Corp | 高周波電力増幅器および通信装置 |
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2012
- 2012-07-17 JP JP2012158290A patent/JP2014022858A/ja active Pending
-
2013
- 2013-06-04 TW TW102119738A patent/TW201406054A/zh unknown
- 2013-06-24 US US13/924,719 patent/US20140022021A1/en not_active Abandoned
- 2013-07-16 CN CN201310297847.6A patent/CN103647517A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211310A (ja) * | 1985-05-21 | 1987-01-20 | エリクソン ジーイー モービル コミュニケーションズ インコーポレーテッド | Rf増幅器 |
| JP2007074072A (ja) * | 2005-09-05 | 2007-03-22 | Renesas Technology Corp | 高周波増幅回路およびそれを用いた送信機、受信機ならびに送受信機 |
| JP2009253918A (ja) * | 2008-04-10 | 2009-10-29 | Panasonic Corp | 高周波電力増幅器および通信装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140022021A1 (en) | 2014-01-23 |
| CN103647517A (zh) | 2014-03-19 |
| TW201406054A (zh) | 2014-02-01 |
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