CN1035351C - 高频放大器 - Google Patents
高频放大器 Download PDFInfo
- Publication number
- CN1035351C CN1035351C CN94104682A CN94104682A CN1035351C CN 1035351 C CN1035351 C CN 1035351C CN 94104682 A CN94104682 A CN 94104682A CN 94104682 A CN94104682 A CN 94104682A CN 1035351 C CN1035351 C CN 1035351C
- Authority
- CN
- China
- Prior art keywords
- frequency
- transistor
- signal
- amplifier
- frequency amplifier
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Transceivers (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP104304/93 | 1993-04-30 | ||
JP5104304A JP3037850B2 (ja) | 1993-04-30 | 1993-04-30 | 高周波増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1099201A CN1099201A (zh) | 1995-02-22 |
CN1035351C true CN1035351C (zh) | 1997-07-02 |
Family
ID=14377190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94104682A Expired - Fee Related CN1035351C (zh) | 1993-04-30 | 1994-04-29 | 高频放大器 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3037850B2 (fr) |
CN (1) | CN1035351C (fr) |
FR (1) | FR2704700B1 (fr) |
GB (1) | GB2277650B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09307365A (ja) * | 1996-05-15 | 1997-11-28 | Alps Electric Co Ltd | 増幅器及びその増幅器を用いた携帯電話機 |
KR100469500B1 (ko) * | 2002-06-29 | 2005-02-02 | 엘지전자 주식회사 | 이동통신단말기의 송수신장치 |
DE10239854A1 (de) | 2002-08-29 | 2004-03-11 | Infineon Technologies Ag | Vorverstärkerschaltung und Empfangsanordnung mit der Vorverstärkerschaltung |
CN1902816B (zh) * | 2003-11-13 | 2010-04-28 | 日本电气株式会社 | 高频放大器 |
CN100446414C (zh) * | 2004-08-04 | 2008-12-24 | 财团法人工业技术研究院 | 高频放大器 |
US20120306578A1 (en) * | 2011-05-31 | 2012-12-06 | Byran Fast | Rf amplifier with open circuit output off-state |
CN102377392A (zh) * | 2011-10-29 | 2012-03-14 | 常熟市董浜镇华进电器厂 | 高频放大器 |
JP2016158216A (ja) * | 2015-02-26 | 2016-09-01 | 株式会社東芝 | 高周波半導体集積回路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60220622A (ja) * | 1984-04-18 | 1985-11-05 | Alps Electric Co Ltd | 高周波切換回路 |
JPS60220623A (ja) * | 1984-04-18 | 1985-11-05 | Alps Electric Co Ltd | 高周波切換回路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1215770B (de) * | 1965-04-15 | 1966-05-05 | Telefunken Patent | Schaltungsanordnung mit zwei abwechselnd verstaerkenden Transistorstufen |
FR2673055B1 (fr) * | 1991-02-18 | 1993-04-23 | Matra Communication | Module d'amplification bibande. |
-
1993
- 1993-04-30 JP JP5104304A patent/JP3037850B2/ja not_active Expired - Lifetime
-
1994
- 1994-04-15 GB GB9407460A patent/GB2277650B/en not_active Expired - Fee Related
- 1994-04-21 FR FR9404782A patent/FR2704700B1/fr not_active Expired - Fee Related
- 1994-04-29 CN CN94104682A patent/CN1035351C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60220622A (ja) * | 1984-04-18 | 1985-11-05 | Alps Electric Co Ltd | 高周波切換回路 |
JPS60220623A (ja) * | 1984-04-18 | 1985-11-05 | Alps Electric Co Ltd | 高周波切換回路 |
Also Published As
Publication number | Publication date |
---|---|
FR2704700B1 (fr) | 1997-04-18 |
JPH06314938A (ja) | 1994-11-08 |
GB2277650A (en) | 1994-11-02 |
GB2277650B (en) | 1997-04-30 |
FR2704700A1 (fr) | 1994-11-04 |
JP3037850B2 (ja) | 2000-05-08 |
GB9407460D0 (en) | 1994-06-08 |
CN1099201A (zh) | 1995-02-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5272450A (en) | DC feed network for wideband RF power amplifier | |
US7728662B2 (en) | Saturated power amplifier with selectable and variable output power levels | |
CN100517960C (zh) | 放大器、以及使用该放大器的发射器和通讯装置 | |
CN1120567C (zh) | 微波混频电路和下变频器 | |
US6771130B2 (en) | Power amplifier and radio communication apparatus using the same | |
US6624700B2 (en) | Radio frequency power amplifier for cellular telephones | |
EP1071204B1 (fr) | Amplificateur de puissance et appareil de communication comprenant une amplification de puissance | |
CN1035351C (zh) | 高频放大器 | |
CN1212710C (zh) | 电视调谐组件 | |
US6317002B1 (en) | Circuit for efficiently producing low-power radio frequency signals | |
CN1082776C (zh) | 放大器及使用该放大器的便携式电话机 | |
US4733194A (en) | Apparatus and method for paralleling power field effect transistors in high frequency amplifiers | |
CN113572433B (zh) | 射频差分放大电路和射频模组 | |
CN1081551A (zh) | 移频键控接收机 | |
JPH05315862A (ja) | 増幅回路 | |
US6577189B2 (en) | Scheme for reducing transmit-band noise floor and adjacent channel power with power backoff | |
CN110011626A (zh) | 功率放大电路 | |
US6407632B1 (en) | Radio frequency amplifier | |
US4319198A (en) | Power amplifiers | |
JPS5818818B2 (ja) | コンゴウカイロ | |
CA1065411A (fr) | Circuit de commande automatique de gain pour recepteur radio | |
JPS6119133B2 (fr) | ||
US4367491A (en) | Video signal recovery system | |
JPH0974321A (ja) | 送受信機 | |
JPS6316923B2 (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |