JPS627728B2 - - Google Patents
Info
- Publication number
- JPS627728B2 JPS627728B2 JP54133986A JP13398679A JPS627728B2 JP S627728 B2 JPS627728 B2 JP S627728B2 JP 54133986 A JP54133986 A JP 54133986A JP 13398679 A JP13398679 A JP 13398679A JP S627728 B2 JPS627728 B2 JP S627728B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- voltage
- curve
- pll
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 21
- 230000010355 oscillation Effects 0.000 claims description 20
- 230000005684 electric field Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 11
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
- H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13398679A JPS5657324A (en) | 1979-10-16 | 1979-10-16 | Digital electronic tuning system |
| US06/196,272 US4394778A (en) | 1979-10-16 | 1980-10-14 | Tuning control apparatus of receiver |
| EP80303648A EP0028100B1 (en) | 1979-10-16 | 1980-10-15 | Tuning control apparatus for a receiver |
| DE8080303648T DE3066856D1 (en) | 1979-10-16 | 1980-10-15 | Tuning control apparatus for a receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13398679A JPS5657324A (en) | 1979-10-16 | 1979-10-16 | Digital electronic tuning system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11521884A Division JPS6016718A (ja) | 1984-06-04 | 1984-06-04 | デジタル式電子同調方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5657324A JPS5657324A (en) | 1981-05-19 |
| JPS627728B2 true JPS627728B2 (US06330241-20011211-M00004.png) | 1987-02-19 |
Family
ID=15117705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13398679A Granted JPS5657324A (en) | 1979-10-16 | 1979-10-16 | Digital electronic tuning system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4394778A (US06330241-20011211-M00004.png) |
| EP (1) | EP0028100B1 (US06330241-20011211-M00004.png) |
| JP (1) | JPS5657324A (US06330241-20011211-M00004.png) |
| DE (1) | DE3066856D1 (US06330241-20011211-M00004.png) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476580A (en) * | 1980-06-17 | 1984-10-09 | Sanyo Electric Co., Ltd. | Automatic continuous tuning control apparatus for a receiver |
| DE3137891A1 (de) * | 1981-09-23 | 1983-04-07 | Siemens AG, 1000 Berlin und 8000 München | Empfaengerschaltung |
| JPS62117408A (ja) * | 1985-11-18 | 1987-05-28 | Casio Comput Co Ltd | オ−トチユ−ニング装置 |
| US4903329A (en) * | 1987-06-15 | 1990-02-20 | Motorola, Inc. | Clamping circuit for a PLL tuning system |
| US5517678A (en) * | 1988-11-02 | 1996-05-14 | Deutsche Thomson-Brandt Gmbh | Satellite radio receiver |
| DE3837130A1 (de) * | 1988-11-02 | 1990-05-03 | Thomson Brandt Gmbh | Satelliten-rundfunkempfaenger |
| JP3036763B2 (ja) * | 1989-10-31 | 2000-04-24 | 三洋電機株式会社 | Ａｍラジオ受信機 |
| WO1994028682A2 (fr) * | 1993-05-24 | 1994-12-08 | Alexandr Mikhailovich Vasiliev | Selecteur toutes ondes de canaux de television avec synthetiseur de frequences |
| JPH07273294A (ja) * | 1994-03-31 | 1995-10-20 | Fujitsu Ltd | 半導体装置 |
| EP0928060A1 (fr) * | 1997-12-31 | 1999-07-07 | Koninklijke Philips Electronics N.V. | Convertisseur de tension continue à rendement amélioré |
| JP4219436B2 (ja) * | 1998-02-17 | 2009-02-04 | 富士通株式会社 | チューナ装置 |
| US6775344B1 (en) | 1999-04-02 | 2004-08-10 | Storage Technology Corporation | Dropout resistant phase-locked loop |
| CN100373776C (zh) * | 2002-06-28 | 2008-03-05 | 先进微装置公司 | 具有自动频率调整的锁相回路 |
| KR100468360B1 (ko) * | 2002-07-25 | 2005-01-27 | 인티그런트 테크놀로지즈(주) | 수신 장치의 선형성 개선을 위한 하모닉 회로 |
| GB2426879C (en) * | 2003-12-12 | 2008-01-21 | Qualcomm Inc | A phase locked loop that sets gain automatically |
| US7539170B2 (en) * | 2003-12-29 | 2009-05-26 | Research In Motion Limited | Optimized data reconnect |
| JP4325490B2 (ja) | 2004-06-10 | 2009-09-02 | 株式会社デンソー | ヘテロダイン受信機 |
| US20090080559A1 (en) * | 2005-05-11 | 2009-03-26 | Michael Armbruster | Antenna diversity by means of its through connection for receivers of digital radio signals |
| US7755437B2 (en) * | 2005-08-24 | 2010-07-13 | Qualcomm Incorporated | Phase locked loop system having locking and tracking modes of operation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962640A (en) * | 1974-09-09 | 1976-06-08 | Texas Instruments Incorporated | Frequency selection and control |
| IT1073074B (it) * | 1975-11-14 | 1985-04-13 | Rca Corp | Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata |
| US4078212A (en) * | 1976-02-27 | 1978-03-07 | Rca Corporation | Dual mode frequency synthesizer for a television tuning apparatus |
| US4031549A (en) * | 1976-05-21 | 1977-06-21 | Rca Corporation | Television tuning system with provisions for receiving RF carrier at nonstandard frequency |
| US4109283A (en) * | 1976-05-21 | 1978-08-22 | Rca Corporation | Frequency counter for a television tuning system |
| US4023116A (en) * | 1976-07-08 | 1977-05-10 | Fairchild Camera And Instrument Corporation | Phase-locked loop frequency synthesizer |
| US4077008A (en) * | 1976-10-18 | 1978-02-28 | Rca Corporation | Phase locked loop tuning system with station scanning provisions |
| US4262364A (en) * | 1978-02-27 | 1981-04-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Electronic digital channel-selecting apparatus |
-
1979
- 1979-10-16 JP JP13398679A patent/JPS5657324A/ja active Granted
-
1980
- 1980-10-14 US US06/196,272 patent/US4394778A/en not_active Expired - Lifetime
- 1980-10-15 EP EP80303648A patent/EP0028100B1/en not_active Expired
- 1980-10-15 DE DE8080303648T patent/DE3066856D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0028100A1 (en) | 1981-05-06 |
| EP0028100B1 (en) | 1984-03-07 |
| JPS5657324A (en) | 1981-05-19 |
| DE3066856D1 (en) | 1984-04-12 |
| US4394778A (en) | 1983-07-19 |
