CN1257354A - 驱动接收机级的方法及其设备 - Google Patents
驱动接收机级的方法及其设备 Download PDFInfo
- Publication number
- CN1257354A CN1257354A CN99126121A CN99126121A CN1257354A CN 1257354 A CN1257354 A CN 1257354A CN 99126121 A CN99126121 A CN 99126121A CN 99126121 A CN99126121 A CN 99126121A CN 1257354 A CN1257354 A CN 1257354A
- Authority
- CN
- China
- Prior art keywords
- frequency
- oscillator
- equipment
- range
- control unit
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002452 interceptive effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 1
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
Landscapes
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
功能 | AGCI | AGCII | VI | VII | OSCI1450-2150MHz | OSCII1900-3000MHz |
EZ1950-1500MHz | 激活 | 衰减 | 激活 | 切断(衰减) | 切断 | 激活和调谐 |
EZ21450-2150MHz | 衰减 | 激活 | 切断(衰减) | 激活 | 激活和调谐 | 切断 |
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19857303A DE19857303A1 (de) | 1998-12-14 | 1998-12-14 | Verfahren zum Ansteuern einer Empfangsstufe |
DE19857303.0 | 1998-12-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1257354A true CN1257354A (zh) | 2000-06-21 |
CN1122372C CN1122372C (zh) | 2003-09-24 |
Family
ID=7890814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99126121A Expired - Lifetime CN1122372C (zh) | 1998-12-14 | 1999-12-13 | 驱动接收机级的方法及其设备 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6505038B1 (zh) |
EP (1) | EP1014576B1 (zh) |
JP (1) | JP4478265B2 (zh) |
CN (1) | CN1122372C (zh) |
DE (2) | DE19857303A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7120407B2 (en) * | 2000-10-02 | 2006-10-10 | Niigata Seimitsu Co., Ltd. | Receiver and its tracking adjusting method |
US7447491B2 (en) * | 2003-06-06 | 2008-11-04 | Silicon Laboratories Inc. | Multi-tuner integrated circuit architecture utilizing frequency isolated local oscillators and associated method |
FR2889331B1 (fr) * | 2005-07-28 | 2008-02-01 | Sercel Sa | Appareil et procede de compensation de derive d'une horloge locale utilisee comme frequence d'echantillonnage |
DE102008031643A1 (de) * | 2008-07-04 | 2010-01-07 | Continental Automotive Gmbh | Empfängeranordnung, insbesondere zum Einsatz in Kraftfahrzeugen |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4340975A (en) * | 1979-10-09 | 1982-07-20 | Matsushita Electric Industrial Company, Limited | Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit |
JPS57191104A (en) * | 1981-05-17 | 1982-11-24 | Toyo Tire & Rubber Co Ltd | Radial tire for truck and bus |
US4408348A (en) * | 1981-08-19 | 1983-10-04 | Rca Corporation | Multiband tuning system for a television receiver |
JPS5843632A (ja) * | 1981-09-01 | 1983-03-14 | テクトロニツクス・インコ−ポレイテツド | 位相固定回路 |
DE3200560A1 (de) * | 1982-01-12 | 1983-07-21 | Robert Bosch Gmbh, 7000 Stuttgart | "verfahren zur unterdrueckung von spiegelwellen- und intermodulationsstoerungen" |
US4553264A (en) * | 1982-09-17 | 1985-11-12 | Matsushita Electric Industrial Co., Ltd. | Double superheterodyne tuner |
DE3240565C2 (de) * | 1982-11-03 | 1985-12-12 | Telefunken electronic GmbH, 6000 Frankfurt | Direktmischender Synchronempfänger |
JPS60174505A (ja) * | 1984-02-20 | 1985-09-07 | Nec Corp | 周波数変換装置 |
JPH0710051B2 (ja) * | 1987-07-16 | 1995-02-01 | 八重洲無線株式会社 | 無線受信機 |
DE3840999A1 (de) * | 1988-12-06 | 1990-06-07 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur unterdrueckung schmalbandiger stoersignale |
KR940005459A (ko) * | 1992-06-22 | 1994-03-21 | 모리시타 요이찌 | Pll회로 |
JPH0746150A (ja) * | 1993-07-31 | 1995-02-14 | Nec Corp | 無線選択呼出受信機 |
SE502599C2 (sv) * | 1993-09-09 | 1995-11-20 | Ericsson Ge Mobile Communicat | Sätt och anordning vid en homodynmottagare för att minimera läckage av störsignaler |
DE19520691A1 (de) * | 1995-06-07 | 1996-12-12 | Thomson Brandt Gmbh | Hochfrequenz-Eingangsschaltung |
JPH0936768A (ja) * | 1995-07-13 | 1997-02-07 | Sony Corp | 受信用icおよびスーパーヘテロダイン受信機 |
GB2332109B (en) * | 1997-12-04 | 2001-06-27 | Nec Technologies | Direct conversion receiver pre-selection |
-
1998
- 1998-12-14 DE DE19857303A patent/DE19857303A1/de not_active Withdrawn
-
1999
- 1999-12-06 EP EP99124316A patent/EP1014576B1/en not_active Expired - Lifetime
- 1999-12-06 DE DE69942298T patent/DE69942298D1/de not_active Expired - Lifetime
- 1999-12-13 CN CN99126121A patent/CN1122372C/zh not_active Expired - Lifetime
- 1999-12-14 JP JP35418599A patent/JP4478265B2/ja not_active Expired - Lifetime
- 1999-12-14 US US09/460,611 patent/US6505038B1/en not_active Expired - Lifetime
-
2002
- 2002-11-05 US US10/288,097 patent/US7164896B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6505038B1 (en) | 2003-01-07 |
DE69942298D1 (de) | 2010-06-10 |
DE19857303A1 (de) | 2000-06-15 |
US20030068997A1 (en) | 2003-04-10 |
CN1122372C (zh) | 2003-09-24 |
JP4478265B2 (ja) | 2010-06-09 |
US7164896B2 (en) | 2007-01-16 |
EP1014576A2 (en) | 2000-06-28 |
JP2000196477A (ja) | 2000-07-14 |
EP1014576A3 (en) | 2003-01-29 |
EP1014576B1 (en) | 2010-04-28 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190419 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190419 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING S.A. Effective date of registration: 20190419 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING S.A. Address before: La France Patentee before: COLOR PRINTING TECHNOLOGY Co. Effective date of registration: 20190419 Address after: La France Patentee after: COLOR PRINTING TECHNOLOGY Co. Address before: German villingen schwenningen Patentee before: Germany THOMSON-BRANDT company |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20030924 |