JP2001519987A - グローバルチューナ - Google Patents
グローバルチューナInfo
- Publication number
- JP2001519987A JP2001519987A JP53908999A JP53908999A JP2001519987A JP 2001519987 A JP2001519987 A JP 2001519987A JP 53908999 A JP53908999 A JP 53908999A JP 53908999 A JP53908999 A JP 53908999A JP 2001519987 A JP2001519987 A JP 2001519987A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- oscillator
- tuner
- frequency
- input
- 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.)
- Pending
Links
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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 入力信号を受信する入力端と出力信号を出力する出力端とを有するチューナ であって、発振器信号を生成する発振器と、発振器信号を分割する分割手段、 および前記入力信号と前記発振器信号をミキシングするミキサーとを有するチ ューナにおいて、前記分割手段が少なくとも2つの値の間で切り替え可能であ る同調制御によって、前記分割手段が、制御されることを特徴とするチューナ 。 2. 前記2つの値が2および3であることを特徴とする請求項1に記載のチュー ナ。 3. 前記チューナが、正および負のオフセットの間で発振器を切替える手段を有 することを特徴とする請求項1に記載のチューナ。 4. 前記発振器の前記オフセットがIFであり、その値が、IF=+10.7MHzとIF=-10. 7MHzの間で切り替え可能であることを特徴とする請求項3に記載のチューナ。 5. 請求項1に記載のチューナを有している集積回路。 6. 請求項1に記載のチューナを有している音声レシーバ。 7. 発振器信号を生成し、前記発振器信号を分割し、前記入力信号を前記発振器 信号とミキシングし、そして出力信号を出力する各ステップを有する、入力信 号を受信する方法において、前記分割が、少なくとも2つの値の間で切り替え 可能であることを特徴とする方法。 8. 前記2つの値が2および3であることを特徴とする請求項3に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98200257.8 | 1998-01-29 | ||
EP98200257 | 1998-01-29 | ||
PCT/IB1999/000072 WO1999039447A2 (en) | 1998-01-29 | 1999-01-18 | Global tuner |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001519987A true JP2001519987A (ja) | 2001-10-23 |
Family
ID=8233338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53908999A Pending JP2001519987A (ja) | 1998-01-29 | 1999-01-18 | グローバルチューナ |
Country Status (6)
Country | Link |
---|---|
US (1) | US6370368B1 (ja) |
EP (1) | EP0972351B1 (ja) |
JP (1) | JP2001519987A (ja) |
CN (1) | CN1137544C (ja) |
DE (1) | DE69936688T2 (ja) |
WO (1) | WO1999039447A2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19946494A1 (de) | 1999-09-28 | 2001-05-03 | Infineon Technologies Ag | Empfänger für verschiedene Frequenzbänder |
WO2001048909A2 (en) * | 1999-12-23 | 2001-07-05 | Koninklijke Philips Electronics N.V. | Quadrature frequency converter |
JP2001186039A (ja) * | 1999-12-27 | 2001-07-06 | Sony Corp | 受信用icおよびこれを使用した受信機 |
US7236756B2 (en) * | 2002-12-13 | 2007-06-26 | Freescale Semiconductors, Inc. | Tuning signal generator and method thereof |
CN1981435A (zh) * | 2004-06-08 | 2007-06-13 | 皇家飞利浦电子股份有限公司 | 频率可调装置 |
US7272375B2 (en) * | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
US7376399B2 (en) * | 2004-06-30 | 2008-05-20 | Silicon Laboratories Inc. | Weighted mixing circuitry for quadrature processing in communication systems |
US7272373B2 (en) * | 2004-06-30 | 2007-09-18 | Silacon Laboratories Inc. | Ratiometric clock systems for integrated receivers and associated methods |
US7835706B2 (en) * | 2004-06-30 | 2010-11-16 | Silicon Laboratories, Inc. | Local oscillator (LO) port linearization for communication system with ratiometric transmit path architecture |
US7376396B2 (en) * | 2004-06-30 | 2008-05-20 | Silicon Laboratories Inc. | Ratiometric transmit path architecture for communication systems |
US7272374B2 (en) * | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Dynamic selection of local oscillator signal injection for image rejection in integrated receivers |
US20060217095A1 (en) * | 2005-03-11 | 2006-09-28 | Takatsuga Kamata | Wideband tuning circuit |
US20070178863A1 (en) * | 2006-01-27 | 2007-08-02 | Tuttle G Tyson | AM/FM tuner saw filter-less architecture using AM frequency band up-conversion |
US20080096484A1 (en) * | 2006-10-20 | 2008-04-24 | Silicon Laboratories, Inc. | Short range wireless communications using FM band communication links and related systems |
US8150346B2 (en) * | 2007-05-16 | 2012-04-03 | Silicon Laboratories Inc. | Detecting a signal in the presence of noise |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484221A (en) * | 1982-09-01 | 1984-11-20 | Rca Corporation | Shared counter arrangement for a digital frequency locked loop tuning system for selectively measuring the frequencies of the LO and IF signals |
US4575761A (en) * | 1983-04-28 | 1986-03-11 | Rca Corporation | AFT arrangement for a double conversion tuner |
JPS63242030A (ja) * | 1987-03-30 | 1988-10-07 | Toshiba Corp | 広帯域周波数シンセサイザ受信機 |
JPH01265688A (ja) * | 1988-04-18 | 1989-10-23 | Hitachi Ltd | 受信装置 |
US5144439A (en) * | 1990-08-06 | 1992-09-01 | Thomson Consumer Electronics, Inc. | Mono fm radio in a television receiver |
US5325401A (en) * | 1992-03-13 | 1994-06-28 | Comstream Corporation | L-band tuner with quadrature downconverter for PSK data applications |
US5428829A (en) * | 1992-09-28 | 1995-06-27 | Delco Electronics Corporation | Method and apparatus for tuning and aligning an FM receiver |
EP0746940B1 (en) * | 1994-12-23 | 1999-09-08 | Koninklijke Philips Electronics N.V. | Combined tv/fm receiver |
GB9501243D0 (en) * | 1995-01-23 | 1995-03-15 | Rca Thomson Licensing Corp | Local oscillator using digital handswitching |
US5654774A (en) * | 1995-06-06 | 1997-08-05 | Thomson Consumer Electronics, Inc. | Tuner for digital satellite receiver |
SG46175A1 (en) * | 1996-01-10 | 1998-02-20 | Philips Electronics Nv | Tv/fm receiver for multi-media applications |
DE19701459A1 (de) * | 1997-01-17 | 1998-07-23 | Philips Patentverwaltung | Rundfunkempfänger |
US5892410A (en) * | 1997-02-19 | 1999-04-06 | Motorola, Inc. | Method and apparatus for transmitting radio frequency signals |
-
1999
- 1999-01-18 WO PCT/IB1999/000072 patent/WO1999039447A2/en active IP Right Grant
- 1999-01-18 EP EP99900103A patent/EP0972351B1/en not_active Expired - Lifetime
- 1999-01-18 DE DE69936688T patent/DE69936688T2/de not_active Expired - Lifetime
- 1999-01-18 JP JP53908999A patent/JP2001519987A/ja active Pending
- 1999-01-18 CN CNB998000884A patent/CN1137544C/zh not_active Expired - Lifetime
- 1999-01-29 US US09/240,569 patent/US6370368B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1256024A (zh) | 2000-06-07 |
CN1137544C (zh) | 2004-02-04 |
EP0972351A2 (en) | 2000-01-19 |
WO1999039447A2 (en) | 1999-08-05 |
DE69936688D1 (de) | 2007-09-13 |
WO1999039447A3 (en) | 1999-10-14 |
DE69936688T2 (de) | 2007-12-06 |
US6370368B1 (en) | 2002-04-09 |
EP0972351B1 (en) | 2007-08-01 |
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