CN1146101C - 单片高频压控振荡器微调电路 - Google Patents
单片高频压控振荡器微调电路 Download PDFInfo
- Publication number
- CN1146101C CN1146101C CNB988107880A CN98810788A CN1146101C CN 1146101 C CN1146101 C CN 1146101C CN B988107880 A CNB988107880 A CN B988107880A CN 98810788 A CN98810788 A CN 98810788A CN 1146101 C CN1146101 C CN 1146101C
- Authority
- CN
- China
- Prior art keywords
- diode
- terminal
- diodes
- circuit
- differential 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
- H03B5/1209—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier having two current paths operating in a differential manner and a current source or degeneration circuit in common to both paths, e.g. a long-tailed pair.
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
- H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising voltage variable capacitance diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/025—Varying the frequency of the oscillations by electronic means the means being an electronic switch for switching in or out oscillator elements
- H03B2201/0258—Varying the frequency of the oscillations by electronic means the means being an electronic switch for switching in or out oscillator elements the means comprising a diode
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/971,770 US5880643A (en) | 1997-11-17 | 1997-11-17 | Monolithic high frequency voltage controlled oscillator trimming circuit |
US08/971,770 | 1997-11-17 | ||
US08/971770 | 1997-11-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1278372A CN1278372A (zh) | 2000-12-27 |
CN1146101C true CN1146101C (zh) | 2004-04-14 |
Family
ID=25518773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB988107880A Expired - Fee Related CN1146101C (zh) | 1997-11-17 | 1998-11-10 | 单片高频压控振荡器微调电路 |
Country Status (18)
Country | Link |
---|---|
US (1) | US5880643A (zh) |
EP (1) | EP1032970B1 (zh) |
JP (1) | JP4008657B2 (zh) |
KR (1) | KR100602453B1 (zh) |
CN (1) | CN1146101C (zh) |
AR (1) | AR017620A1 (zh) |
AU (1) | AU740649B2 (zh) |
BR (1) | BR9814969A (zh) |
CA (1) | CA2310416A1 (zh) |
CO (1) | CO4810357A1 (zh) |
DE (1) | DE69813006D1 (zh) |
EE (1) | EE200000233A (zh) |
HK (1) | HK1033869A1 (zh) |
IL (1) | IL136169A0 (zh) |
MY (1) | MY118201A (zh) |
NO (1) | NO20002264L (zh) |
RU (1) | RU2204194C2 (zh) |
WO (1) | WO1999026335A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9916907D0 (en) | 1999-07-19 | 1999-09-22 | Cambridge Silicon Radio Ltd | Variable oscillator |
GB9916901D0 (en) * | 1999-07-19 | 1999-09-22 | Cambridge Silicon Radio Ltd | Adjustable filter |
AU2000266379A1 (en) * | 1999-08-10 | 2004-01-06 | Qualcomm Incorporated | Band switchable intermediate frequency band pass filter |
FI109641B (fi) * | 2000-03-10 | 2002-09-13 | Nokia Corp | Mikrofonirakenne |
US6603366B2 (en) * | 2001-08-10 | 2003-08-05 | Texas Instruments Incorporated | Trimmable oscillator |
US20040029129A1 (en) * | 2001-10-25 | 2004-02-12 | Liangsu Wang | Identification of essential genes in microorganisms |
JP5053579B2 (ja) * | 2006-06-28 | 2012-10-17 | 寛治 大塚 | 静電気放電保護回路 |
US8275336B2 (en) * | 2010-06-23 | 2012-09-25 | Richwave Technology Corp. | Apparatus and method for digitally controlling capacitance |
RU2622628C1 (ru) * | 2016-08-03 | 2017-06-16 | Геннадий Сендерович Брайловский | Способ подстройки частоты и фазовый детектор |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3319187A (en) * | 1966-04-06 | 1967-05-09 | Simmonds Precision Products | Voltage controlled oscillator utilizing transmission-line switching elements |
US3668553A (en) * | 1970-06-26 | 1972-06-06 | Varian Associates | Digitally tuned stripline oscillator |
US4186360A (en) * | 1977-02-18 | 1980-01-29 | Sanyo Electric Co., Ltd. | Digital channel selecting apparatus |
JPS5542412A (en) * | 1978-09-20 | 1980-03-25 | Hitachi Ltd | Electronic high frequency switch |
JP2580116B2 (ja) * | 1985-12-16 | 1997-02-12 | ソニー株式会社 | Ic化高周波可変周波数発振回路 |
US4973922A (en) * | 1987-11-27 | 1990-11-27 | At&T Bell Laboratories | Voltage controlled variable capacitor and oscillator using it |
FR2649505B1 (fr) * | 1989-07-07 | 1991-10-25 | Sgs Thomson Microelectronics | Circuit integre avec oscillateur reglable a frequence independante de la tension d'alimentation |
US5166645A (en) * | 1992-01-15 | 1992-11-24 | Quartzdyne, Inc. | Differential mixer oscillator |
US5384553A (en) * | 1993-05-10 | 1995-01-24 | Rohm Co., Ltd. | Voltage control oscillation circuit |
DE4314424A1 (de) * | 1993-05-03 | 1994-11-10 | Philips Patentverwaltung | Oszillator |
SE517185C2 (sv) * | 1993-12-28 | 2002-05-07 | Ericsson Telefon Ab L M | Komponentmodulanpassad oscillerande kretsanordning |
US5483195A (en) * | 1994-10-20 | 1996-01-09 | Northern Telecom Limited | Second generation low noise microwave voltage controlled oscillator |
-
1997
- 1997-11-17 US US08/971,770 patent/US5880643A/en not_active Expired - Lifetime
-
1998
- 1998-11-05 MY MYPI98005032A patent/MY118201A/en unknown
- 1998-11-10 CN CNB988107880A patent/CN1146101C/zh not_active Expired - Fee Related
- 1998-11-10 JP JP2000521585A patent/JP4008657B2/ja not_active Expired - Fee Related
- 1998-11-10 AU AU14478/99A patent/AU740649B2/en not_active Ceased
- 1998-11-10 KR KR1020007005292A patent/KR100602453B1/ko not_active IP Right Cessation
- 1998-11-10 EP EP98958422A patent/EP1032970B1/en not_active Expired - Lifetime
- 1998-11-10 CA CA002310416A patent/CA2310416A1/en not_active Abandoned
- 1998-11-10 EE EEP200000233A patent/EE200000233A/xx unknown
- 1998-11-10 DE DE69813006T patent/DE69813006D1/de not_active Expired - Lifetime
- 1998-11-10 WO PCT/SE1998/002024 patent/WO1999026335A1/en active IP Right Grant
- 1998-11-10 RU RU2000115567/09A patent/RU2204194C2/ru not_active IP Right Cessation
- 1998-11-10 BR BR9814969-5A patent/BR9814969A/pt not_active IP Right Cessation
- 1998-11-10 CO CO98066144A patent/CO4810357A1/es unknown
- 1998-11-10 IL IL13616998A patent/IL136169A0/xx unknown
- 1998-11-13 AR ARP980105777A patent/AR017620A1/es unknown
-
2000
- 2000-04-28 NO NO20002264A patent/NO20002264L/no not_active Application Discontinuation
-
2001
- 2001-06-21 HK HK01104338A patent/HK1033869A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100602453B1 (ko) | 2006-07-19 |
BR9814969A (pt) | 2000-10-03 |
MY118201A (en) | 2004-09-30 |
EP1032970B1 (en) | 2003-04-02 |
AU740649B2 (en) | 2001-11-08 |
HK1033869A1 (en) | 2001-09-28 |
CO4810357A1 (es) | 1999-06-30 |
NO20002264L (no) | 2000-05-18 |
AU1447899A (en) | 1999-06-07 |
RU2204194C2 (ru) | 2003-05-10 |
CA2310416A1 (en) | 1999-05-27 |
EP1032970A1 (en) | 2000-09-06 |
NO20002264D0 (no) | 2000-04-28 |
IL136169A0 (en) | 2001-05-20 |
CN1278372A (zh) | 2000-12-27 |
KR20010024645A (ko) | 2001-03-26 |
EE200000233A (et) | 2001-06-15 |
JP2001523907A (ja) | 2001-11-27 |
AR017620A1 (es) | 2001-09-12 |
DE69813006D1 (de) | 2003-05-08 |
WO1999026335A1 (en) | 1999-05-27 |
US5880643A (en) | 1999-03-09 |
JP4008657B2 (ja) | 2007-11-14 |
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C14 | Grant of patent or utility model | ||
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Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: TELEFONAKTIEBOLAGET LM ERICSSON (SE) S-126 25 STOCKHOLM, SWEDEN Effective date: 20140605 Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20140605 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140605 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20140605 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040414 Termination date: 20151110 |
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EXPY | Termination of patent right or utility model |