JPS4985909A - - Google Patents
Info
- Publication number
- JPS4985909A JPS4985909A JP48084239A JP8423973A JPS4985909A JP S4985909 A JPS4985909 A JP S4985909A JP 48084239 A JP48084239 A JP 48084239A JP 8423973 A JP8423973 A JP 8423973A JP S4985909 A JPS4985909 A JP S4985909A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- 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
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
-
- 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
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
-
- 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
- H03B2200/003—Circuit elements of oscillators
- H03B2200/0048—Circuit elements of oscillators including measures to switch the frequency band, e.g. by harmonic selection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7227060A FR2194076B1 (ja) | 1972-07-27 | 1972-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4985909A true JPS4985909A (ja) | 1974-08-17 |
Family
ID=9102445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48084239A Pending JPS4985909A (ja) | 1972-07-27 | 1973-07-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3878476A (ja) |
| JP (1) | JPS4985909A (ja) |
| DE (1) | DE2337286A1 (ja) |
| FR (1) | FR2194076B1 (ja) |
| GB (1) | GB1420271A (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007060614A (ja) * | 2005-07-27 | 2007-03-08 | Casio Comput Co Ltd | 電波受信装置、電波受信回路及び電波時計 |
| JP2008067090A (ja) * | 2006-09-07 | 2008-03-21 | Samsung Electronics Co Ltd | 周波数変換器 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1553673A (en) * | 1975-07-30 | 1979-09-26 | Bp Chem Int Ltd | Polymerisation catalyst |
| DE3124518A1 (de) * | 1981-06-23 | 1983-05-26 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Anordnung zur wechselseitigen umsetzung der abtastfrequenz von n zeitdiskreten oder digitalen signalen |
| US4580289A (en) * | 1981-12-30 | 1986-04-01 | Motorola, Inc. | Fully integratable superheterodyne radio receiver utilizing tunable filters |
| GB2143691A (en) * | 1983-07-22 | 1985-02-13 | Plessey Co Plc | A double superhet tuner |
| GB2192104A (en) * | 1986-06-27 | 1987-12-31 | Philips Electronic Associated | Superheterodyne radio receiver |
| GB2216354B (en) * | 1988-03-30 | 1992-09-16 | Plessey Co Plc | Radio receiver tuner circuit |
| US5680067A (en) * | 1994-11-30 | 1997-10-21 | U.S. Philips Corporation | Frequency dividing device |
| DE19811550C2 (de) * | 1998-03-18 | 2002-06-27 | Bosch Gmbh Robert | Verfahren und Schaltungsanordnung zur Erzeugung von Frequenzsignalen |
| DE19852676A1 (de) * | 1998-11-16 | 2000-05-25 | Bosch Gmbh Robert | Vorrichtung zur Frequenzsynchronisation in einem Nachrichtenübertragungssystem |
| IT1316852B1 (it) * | 2000-03-24 | 2003-05-12 | M B Internat S R L | Procedimento per convertire un segnale reale in un segnale complessointrinsecamente in quadratura |
| DE60313945T2 (de) * | 2003-03-11 | 2008-03-06 | Sony Ericsson Mobile Communications Ab | Mehrband-Frequenzsynthetisierer |
| US20050054310A1 (en) * | 2003-09-10 | 2005-03-10 | Sparks Stephen T. | Heterodyne system |
| US7321268B2 (en) * | 2005-11-04 | 2008-01-22 | Via Technologies | Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application |
| CN107368619B (zh) * | 2017-06-02 | 2020-12-22 | 华南理工大学 | 一种扩展卡尔曼滤波soc估算方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1172344A (fr) * | 1957-02-14 | 1959-02-09 | Materiel Telephonique | Oscillateur variable pour transmissions radio |
| US2892944A (en) * | 1957-04-24 | 1959-06-30 | Panoramic Radio Products Inc | Signal generator |
| GB1106456A (en) * | 1964-06-10 | 1968-03-20 | Plessey Uk Ltd | Improvements relating to frequency synthesis |
| US3372339A (en) * | 1964-08-17 | 1968-03-05 | Gen Dynamics Corp | Communication system including frequency synthesizer system |
| US3379992A (en) * | 1965-10-18 | 1968-04-23 | Collins Radio Co | Multiple frequency signal generator |
| FR2096875B1 (ja) * | 1970-07-09 | 1973-10-19 | Thomson Csf |
-
1972
- 1972-07-27 FR FR7227060A patent/FR2194076B1/fr not_active Expired
-
1973
- 1973-06-29 US US374857A patent/US3878476A/en not_active Expired - Lifetime
- 1973-07-23 DE DE19732337286 patent/DE2337286A1/de active Pending
- 1973-07-27 GB GB3584973A patent/GB1420271A/en not_active Expired
- 1973-07-27 JP JP48084239A patent/JPS4985909A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007060614A (ja) * | 2005-07-27 | 2007-03-08 | Casio Comput Co Ltd | 電波受信装置、電波受信回路及び電波時計 |
| JP4631673B2 (ja) * | 2005-07-27 | 2011-02-16 | カシオ計算機株式会社 | 電波受信装置、電波受信回路及び電波時計 |
| JP2008067090A (ja) * | 2006-09-07 | 2008-03-21 | Samsung Electronics Co Ltd | 周波数変換器 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2194076B1 (ja) | 1976-10-29 |
| US3878476A (en) | 1975-04-15 |
| GB1420271A (en) | 1976-01-07 |
| DE2337286A1 (de) | 1974-02-14 |
| FR2194076A1 (ja) | 1974-02-22 |