KR920003636A - Saw 전자부품 및 주파수 변환회로 - Google Patents
Saw 전자부품 및 주파수 변환회로 Download PDFInfo
- Publication number
- KR920003636A KR920003636A KR1019910011487A KR910011487A KR920003636A KR 920003636 A KR920003636 A KR 920003636A KR 1019910011487 A KR1019910011487 A KR 1019910011487A KR 910011487 A KR910011487 A KR 910011487A KR 920003636 A KR920003636 A KR 920003636A
- Authority
- KR
- South Korea
- Prior art keywords
- saw
- saw filter
- oscillator
- signal
- substrate
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title claims 2
- 239000000758 substrate Substances 0.000 claims 5
- 230000010355 oscillation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- 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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
-
- 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/0014—Structural aspects of oscillators
- H03B2200/0018—Structural aspects of oscillators relating to the cutting angle of a crystal, e.g. AT cut quartz
-
- 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/0014—Structural aspects of oscillators
- H03B2200/0022—Structural aspects of oscillators characterised by the substrate, e.g. material
-
- 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
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0001—Circuit elements of demodulators
- H03D2200/0017—Intermediate frequency filter
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0094—Measures to address temperature induced variations of demodulation
- H03D2200/0096—Measures to address temperature induced variations of demodulation by stabilising the temperature
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Superheterodyne Receivers (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명이 한 실시예를 나타내는 블럭도.
Claims (6)
- 하기의 것을 포함하는 SAW 전자부품: SAW 필터; 및 상기의 SAW 필터가 형성된 기판의 온도 특성과 동일한 그것을 가진 기판상에 형성된 SAW 발진자.
- 제1항에 있어서, 상기 SAW 필터와 상기 SAW 발진자가 동일 기판상에 형성된 것.
- 하기의 것을 포함하는 주파수 변환회로: SAW 필터; 상기 SAW 필터의 온도특성과 동일한 그것을 가진 SAW 발진자; 상기 SAW 발진자를 사용한 제 2국부 발진신호를 발진하기 위한 제2국부 발진회로; 제1국부 발진회로를 발생하기 위해 제2국부 발진신호의 주파수를 변환하기 위한 주파수 변환기; 상기 SAW 필터로 합성신호를 출력하기 위해 제1국부 발진신호와 입력신호를 혼합하기 위한 제1혼합기; 및 주파수 변환신호를 출력하기 위해 상기 SAW 필터로 모터의 출력과 제2국부 발진신호를 혼합하기 위한 제2혼합기.
- 제3항에 있어서, 상기 SAW 필터와 상기 SAW 발진자가 동일기판상에 형성된 것.
- 제3항에 있어서, 상기 SAW 필터와 상기 SAW 발진자가 동일 압전 기판상에 형성된 것.
- 제3항에 있어서, 상기 SAW 필터와 상기 SAW 발진자가 동일 커트 각도를 갖는 압전기판상에 독립적으로 형성된 것.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2179480A JPH0468907A (ja) | 1990-07-09 | 1990-07-09 | 周波数変換回路 |
JP2-179480 | 1990-07-09 | ||
JP??2-179480 | 1990-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920003636A true KR920003636A (ko) | 1992-02-29 |
KR950012949B1 KR950012949B1 (ko) | 1995-10-23 |
Family
ID=16066578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910011487A KR950012949B1 (ko) | 1990-07-09 | 1991-07-08 | Saw 전자부품 및 주파수 변환회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5410742A (ko) |
EP (1) | EP0466084B1 (ko) |
JP (1) | JPH0468907A (ko) |
KR (1) | KR950012949B1 (ko) |
DE (1) | DE69126068T2 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5839062A (en) * | 1994-03-18 | 1998-11-17 | The Regents Of The University Of California | Mixing, modulation and demodulation via electromechanical resonators |
JPH07288484A (ja) * | 1994-04-18 | 1995-10-31 | Nec Corp | 弾性表面波装置を有する受信回路 |
US5515014A (en) * | 1994-11-30 | 1996-05-07 | At&T Corp. | Interface between SAW filter and Gilbert cell mixer |
JPH11127052A (ja) * | 1997-10-24 | 1999-05-11 | Murata Mfg Co Ltd | 複合フィルタ及びそれを用いた無線装置 |
JPH11145771A (ja) * | 1997-11-13 | 1999-05-28 | Murata Mfg Co Ltd | 複合フィルタ及びそれを用いた無線装置 |
EP1137178A1 (de) * | 2000-03-22 | 2001-09-26 | Infineon Technologies AG | Schaltungsanordnung mit einem Filter und Verfahren zum Betrieb einer Schaltungsanordnung mit einem Filter |
DE10116880B4 (de) * | 2001-04-04 | 2010-12-16 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren zum Optimieren des Frequenzaufbereitungszuges eines Hochfrequenz-Überlagerungsempfänger |
AU2003221843A1 (en) * | 2002-04-23 | 2003-11-10 | Thomson Licensing S.A. | Tuning apparatus |
US7448269B2 (en) * | 2003-08-12 | 2008-11-11 | Northwestern University | Scanning near field ultrasound holography |
US8438927B2 (en) * | 2003-08-12 | 2013-05-14 | Northwestern University | Scanning near field thermoelastic acoustic holography (SNFTAH) |
WO2009019639A2 (en) * | 2007-08-06 | 2009-02-12 | Koninklijke Philips Electronics N.V. | Crystal-less transceivers |
JP5136175B2 (ja) * | 2008-04-11 | 2013-02-06 | 日本電気株式会社 | 周波数変換器および周波数変換方法 |
US9571065B2 (en) | 2014-11-12 | 2017-02-14 | Elwha Llc | Surface acoustic wave device having end-to-end combinable selectable electrode sub-elements |
US9692389B2 (en) | 2014-11-12 | 2017-06-27 | Elwha Llc | Surface acoustic wave device having matrices of combinable selectable electrode sub-elements |
US9800226B2 (en) | 2014-11-12 | 2017-10-24 | Elwha Llc | Surface acoustic wave device having combinable selectable electrode sub-elements |
US9602077B2 (en) | 2014-11-12 | 2017-03-21 | Elwha Llc | Surface acoustic wave device having selectable electrode elements |
US11251822B1 (en) * | 2020-07-23 | 2022-02-15 | Xilinx, Inc. | Software defined radio (SDR) filter relaxation technique for multiple-input and multiple-output (MIMO) and large antenna array (LAA) applications |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3787612A (en) * | 1972-07-03 | 1974-01-22 | Zenith Radio Corp | Signal processing system for television receiver having acoustic surface wave devices for improved tuning and video demodulation |
US4100498A (en) * | 1977-06-20 | 1978-07-11 | The United States Of America As Represented By The Secretary Of The Navy | Discrete chirp frequency synthesizer |
JPS573910A (en) * | 1980-06-04 | 1982-01-09 | Kawasaki Chishitsu Kk | Extra-high pressure horizontal plate bearing tester for ground |
JPS57107645A (en) * | 1980-12-25 | 1982-07-05 | Toshiba Corp | Tuner |
JPS5896351U (ja) * | 1981-12-22 | 1983-06-30 | 日本電気株式会社 | アンテナ共用器 |
US4489289A (en) * | 1982-04-08 | 1984-12-18 | The United States Of America As Represented By The Secretary Of The Air Force | Saw oscillator with digital compensation for temperature related frequency changes |
JPS59191921A (ja) * | 1983-04-15 | 1984-10-31 | Hitachi Ltd | チユ−ナにおける発振周波数制御回路 |
DE3443925C1 (de) * | 1984-12-01 | 1986-01-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum Unterscheiden der beiden Halbbilder in einem Fernsehsignal |
JPH0697727B2 (ja) * | 1985-03-27 | 1994-11-30 | 株式会社日立製作所 | 弾性表面波フィルタ |
US4739286A (en) * | 1986-10-23 | 1988-04-19 | Tektronix, Inc. | Suppression of radiated harmonics |
KR880014813A (ko) * | 1987-05-20 | 1988-12-24 | 이우에 사또시 | Pll 영상 검파회로 |
US4871984A (en) * | 1988-06-24 | 1989-10-03 | Raytheon Company | Surface acoustic wave oscillator |
US4978879A (en) * | 1988-07-27 | 1990-12-18 | Fujitsu Limited | Acoustic surface wave element |
-
1990
- 1990-07-09 JP JP2179480A patent/JPH0468907A/ja active Pending
-
1991
- 1991-07-08 KR KR1019910011487A patent/KR950012949B1/ko not_active IP Right Cessation
- 1991-07-08 DE DE69126068T patent/DE69126068T2/de not_active Expired - Lifetime
- 1991-07-08 EP EP91111361A patent/EP0466084B1/en not_active Expired - Lifetime
-
1994
- 1994-02-14 US US08/195,904 patent/US5410742A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0466084A1 (en) | 1992-01-15 |
JPH0468907A (ja) | 1992-03-04 |
KR950012949B1 (ko) | 1995-10-23 |
DE69126068D1 (de) | 1997-06-19 |
DE69126068T2 (de) | 1997-12-04 |
US5410742A (en) | 1995-04-25 |
EP0466084B1 (en) | 1997-05-14 |
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G160 | Decision to publish patent application | ||
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GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20051011 Year of fee payment: 11 |
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