CN100546184C - 具有自动增益控制器的信道选择器 - Google Patents
具有自动增益控制器的信道选择器 Download PDFInfo
- Publication number
- CN100546184C CN100546184C CNB2004800147532A CN200480014753A CN100546184C CN 100546184 C CN100546184 C CN 100546184C CN B2004800147532 A CNB2004800147532 A CN B2004800147532A CN 200480014753 A CN200480014753 A CN 200480014753A CN 100546184 C CN100546184 C CN 100546184C
- Authority
- CN
- China
- Prior art keywords
- agc
- switching
- amplifier
- voltage
- automatic gain
- 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
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/52—Automatic gain control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
Abstract
Description
R<sub>1</sub> | R<sub>2</sub> | R<sub>3</sub> | R<sub>4</sub>,R<sub>9</sub>,R<sub>10</sub> | R<sub>5</sub> | R<sub>6</sub>,R<sub>7</sub> | R<sub>8</sub> | C<sub>1</sub> | C<sub>2</sub>-C<sub>6</sub> | L<sub>1</sub> |
10Ω | 82Ω | 220Ω | 3.3kΩ | 10kΩ | 47Ω | 100Ω | 330pF | 4.7nF | 10μH |
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IB0303970 | 2003-05-27 | ||
IBPCT/IB03/03970 | 2003-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1795612A CN1795612A (zh) | 2006-06-28 |
CN100546184C true CN100546184C (zh) | 2009-09-30 |
Family
ID=33485268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800147532A Expired - Fee Related CN100546184C (zh) | 2003-05-27 | 2004-05-24 | 具有自动增益控制器的信道选择器 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1632027A1 (zh) |
JP (1) | JP2007500989A (zh) |
KR (1) | KR20060013554A (zh) |
CN (1) | CN100546184C (zh) |
WO (1) | WO2004107574A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4676365B2 (ja) * | 2006-03-20 | 2011-04-27 | 新日本無線株式会社 | 利得切換増幅器 |
KR102211171B1 (ko) * | 2020-04-17 | 2021-02-01 | 삼성에스디아이 주식회사 | 이차전지 및 그 케이스 제조방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4172239A (en) * | 1978-10-06 | 1979-10-23 | Rca Corporation | Signal attenuator |
JP3371506B2 (ja) * | 1994-02-14 | 2003-01-27 | 株式会社日立製作所 | 受信装置 |
US5940143A (en) * | 1995-10-06 | 1999-08-17 | Hitachi, Ltd. | High-definition television signal receiving apparatus and gain control circuit thereof |
JP2996170B2 (ja) * | 1996-03-21 | 1999-12-27 | 日本電気株式会社 | 利得制御回路 |
JP3627783B2 (ja) * | 1996-12-26 | 2005-03-09 | シャープ株式会社 | ケーブルモデム用チューナ |
CN1190964C (zh) * | 2000-02-14 | 2005-02-23 | 夏普公司 | 电缆调制解调器的调谐器 |
WO2004098052A1 (en) * | 2003-04-29 | 2004-11-11 | Koninklijke Philips Electronics N. V. | Receiver circuit with adjustable if amplifier gain |
-
2004
- 2004-05-24 KR KR1020057022395A patent/KR20060013554A/ko not_active Application Discontinuation
- 2004-05-24 EP EP04734584A patent/EP1632027A1/en not_active Withdrawn
- 2004-05-24 CN CNB2004800147532A patent/CN100546184C/zh not_active Expired - Fee Related
- 2004-05-24 WO PCT/IB2004/050758 patent/WO2004107574A1/en not_active Application Discontinuation
- 2004-05-24 JP JP2006530891A patent/JP2007500989A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2007500989A (ja) | 2007-01-18 |
WO2004107574A1 (en) | 2004-12-09 |
CN1795612A (zh) | 2006-06-28 |
KR20060013554A (ko) | 2006-02-10 |
EP1632027A1 (en) | 2006-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20071012 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20071012 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20100524 |