JPH09135152A5 - - Google Patents
Info
- Publication number
- JPH09135152A5 JPH09135152A5 JP1996273386A JP27338696A JPH09135152A5 JP H09135152 A5 JPH09135152 A5 JP H09135152A5 JP 1996273386 A JP1996273386 A JP 1996273386A JP 27338696 A JP27338696 A JP 27338696A JP H09135152 A5 JPH09135152 A5 JP H09135152A5
- Authority
- JP
- Japan
- Prior art keywords
- modulator
- radio frequency
- tuner
- demultiplexer
- signal
- 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.)
- Granted
Links
Claims (1)
- 同調器と、分波器及び変調器を具える分波器−変調器とを具える回路装置であって、前記分波器が、無線周波数入力信号を印加する無線周波数信号入力部と、無線周波数出力信号を供給する無線周波数信号出力部と、前記無線周波数入力信号を前記同調器に印加する第１ラインと、前記変調器から無線周波数出力信号を供給する第２ラインとを有し、前記同調器を、前記無線周波数入力信号を復調することに適合させ、前記変調器を、ベースバンド信号を前記変調器によって供給すべき前記無線周波数出力信号に変換することに適合させ、該回路装置が、前記同調器及び分波器−変調器に関する基準振動を発生する装置を具え、前記装置が、前記同調器及び分波器−変調器に関して共通の少なくとも１個の水晶と、前記同調器及び分波器−変調器に関して共通の位相ロックループとを有する、回路装置において、
前記同調器が、各々の周波数帯の前記無線周波数信号の周波数選択受信、増幅及び／又は周波数変換に関する少なくとも１つの信号処理分枝を具え、前記基準振動を発生する装置（振動発生器）が、各々の信号処理分枝ごとに別個の発振器段を具え、これらの発振器段のうち１つを、前記分波器−変調器に関する基準振動の発生にも使用することを特徴とする回路装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19538544:6 | 1995-10-17 | ||
| DE19538544A DE19538544A1 (de) | 1995-10-17 | 1995-10-17 | Schaltungsanordnung mit einer Hochfrequenz-Empfangsstufe und einer Übertragungsstufe |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH09135152A JPH09135152A (ja) | 1997-05-20 |
| JPH09135152A5 true JPH09135152A5 (ja) | 2004-10-21 |
| JP3816995B2 JP3816995B2 (ja) | 2006-08-30 |
Family
ID=7775015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27338696A Expired - Fee Related JP3816995B2 (ja) | 1995-10-17 | 1996-10-16 | 同調器と分波器‐変調器を具えた回路装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5867771A (ja) |
| EP (1) | EP0769872B1 (ja) |
| JP (1) | JP3816995B2 (ja) |
| KR (1) | KR100441183B1 (ja) |
| DE (2) | DE19538544A1 (ja) |
| SG (1) | SG55235A1 (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442382B1 (en) * | 1997-06-27 | 2002-08-27 | Agere Systems Guardian Corp. | Filter switching system and method |
| DE19728315A1 (de) * | 1997-07-03 | 1999-01-07 | Philips Patentverwaltung | Fernsehsignal-Empfänger |
| US6405025B1 (en) * | 1997-12-09 | 2002-06-11 | Nokia Mobile Phones Limited | Method for selecting the frequency range in radio communication devices operating in several frequency ranges and a radio communication device |
| JP2002118795A (ja) * | 2000-10-05 | 2002-04-19 | Alps Electric Co Ltd | テレビジョン信号受信チューナー |
| JP3719926B2 (ja) * | 2000-11-14 | 2005-11-24 | シャープ株式会社 | デジタル信号受信用チューナ |
| GB0122983D0 (en) * | 2001-09-25 | 2001-11-14 | Zarlink Semiconductor Ltd | Rdio fequency tuner front end and tuner |
| US7024220B2 (en) * | 2001-10-09 | 2006-04-04 | Kyocera Wireless Corp. | GPS receiver system and method |
| DE10163798A1 (de) * | 2001-12-22 | 2003-07-03 | Philips Intellectual Property | Fernsehsignal-Empfänger mit universalem Ausgang für verschiedenartige Oberflächenwellenfilter |
| CN100506174C (zh) * | 2002-09-20 | 2009-07-01 | 医疗器械创新有限公司 | 具有可伸缩护套的外科手术刀 |
| US8750441B2 (en) * | 2010-12-20 | 2014-06-10 | Texas Instruments Incorporated | Signal cancellation to reduce phase noise, period jitter, and other contamination in local oscillator, frequency timing, or other timing generators or signal sources |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157505A (en) * | 1977-06-13 | 1979-06-05 | Regency Electronics | Plural band scanning radio with direct switch of RF amplifying transistors |
| US4379271A (en) * | 1980-08-25 | 1983-04-05 | Rca Corporation | Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system |
| US4667243A (en) * | 1985-10-31 | 1987-05-19 | Rca Corporation | Television receiver for direct broadcast satellite signals |
| US4894720A (en) * | 1987-07-31 | 1990-01-16 | Sanyo Electric Co., Ltd. | Circuit for selectively outputting high frequency signals |
| DE3728381A1 (de) * | 1987-08-26 | 1989-03-09 | Thomson Brandt Gmbh | Schaltungsanordnung zur verteilung eines antennensignals |
| DE3821714A1 (de) * | 1988-06-28 | 1990-01-04 | Telefunken Electronic Gmbh | Fernsehtuner |
| US5420646A (en) * | 1991-12-30 | 1995-05-30 | Zenith Electronics Corp. | Bandswitched tuning system having a plurality of local oscillators for a digital television receiver |
| EP0678981A3 (de) * | 1994-04-21 | 1996-05-15 | Philips Patentverwaltung | Hochfrequenz-Empfangsstufe. |
| DE19509567A1 (de) * | 1994-04-21 | 1995-10-26 | Philips Patentverwaltung | Hochfrequenz-Empfangsstufe |
| US5758266A (en) * | 1994-09-30 | 1998-05-26 | Qualcomm Incorporated | Multiple frequency communication device |
-
1995
- 1995-10-17 DE DE19538544A patent/DE19538544A1/de not_active Withdrawn
-
1996
- 1996-10-11 DE DE59608783T patent/DE59608783D1/de not_active Expired - Lifetime
- 1996-10-11 EP EP96202842A patent/EP0769872B1/de not_active Expired - Lifetime
- 1996-10-16 JP JP27338696A patent/JP3816995B2/ja not_active Expired - Fee Related
- 1996-10-16 SG SG1996010870A patent/SG55235A1/en unknown
- 1996-10-17 US US08/733,307 patent/US5867771A/en not_active Expired - Lifetime
- 1996-10-17 KR KR1019960046394A patent/KR100441183B1/ko not_active Expired - Fee Related
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