JPS54103617A - Local oscillator - Google Patents
Local oscillatorInfo
- Publication number
- JPS54103617A JPS54103617A JP1028678A JP1028678A JPS54103617A JP S54103617 A JPS54103617 A JP S54103617A JP 1028678 A JP1028678 A JP 1028678A JP 1028678 A JP1028678 A JP 1028678A JP S54103617 A JPS54103617 A JP S54103617A
- Authority
- JP
- Japan
- Prior art keywords
- local oscillator
- oscillator
- local
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- 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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Transceivers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53010286A JPS584497B2 (ja) | 1978-02-01 | 1978-02-01 | 局部発振装置 |
US06/007,604 US4259644A (en) | 1978-02-01 | 1979-01-29 | Local oscillator for multi-band reception having single crystal reference oscillator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53010286A JPS584497B2 (ja) | 1978-02-01 | 1978-02-01 | 局部発振装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54103617A true JPS54103617A (en) | 1979-08-15 |
JPS584497B2 JPS584497B2 (ja) | 1983-01-26 |
Family
ID=11746060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53010286A Expired JPS584497B2 (ja) | 1978-02-01 | 1978-02-01 | 局部発振装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4259644A (ja) |
JP (1) | JPS584497B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5950617A (ja) * | 1982-09-16 | 1984-03-23 | Yaesu Musen Co Ltd | Pll回路 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4545072A (en) * | 1982-02-22 | 1985-10-01 | Motorola, Inc. | Method and apparatus for eliminating interference due to spurious signals generated in synthesized receivers |
US4479257A (en) * | 1982-12-30 | 1984-10-23 | Yaesu Musen Co., Ltd. | Superheterodyne circuit having variable bandwidth and center frequency shift function |
US5276716A (en) * | 1990-02-15 | 1994-01-04 | Advanced Micro Devices Inc. | Bi-phase decoder phase-lock loop in CMOS |
FI89848C (fi) * | 1991-09-25 | 1993-11-25 | Nokia Mobile Phones Ltd | Generering av saendningssignalen i en mobiltelefon |
FR2742946B1 (fr) * | 1995-12-22 | 1998-01-16 | Alcatel Mobile Comm France | Terminal de radiocommunication multimode |
JPH09294088A (ja) * | 1996-04-26 | 1997-11-11 | Toshiba Corp | チューナ回路 |
SE507527C2 (sv) * | 1996-10-11 | 1998-06-15 | Ericsson Telefon Ab L M | Flerbandsmottagare som genererar en mellanfrekvens som är gemensam för de olika frekvensbanden, och förfarande för densamma |
JP3250796B2 (ja) * | 1998-05-26 | 2002-01-28 | 松下電器産業株式会社 | 受信機 |
CA2352398C (en) * | 2000-07-06 | 2005-07-26 | Unique Broadband Systems, Inc. | Low phase noise frequency converter |
CA2363377C (en) * | 2000-11-21 | 2005-09-27 | Research In Motion Limited | System and method for inverting automatic frequency control (afc) |
US8385476B2 (en) * | 2001-04-25 | 2013-02-26 | Texas Instruments Incorporated | Digital phase locked loop |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5384666A (en) * | 1976-12-30 | 1978-07-26 | Alps Electric Co Ltd | Pll circuit |
US4198604A (en) * | 1977-06-08 | 1980-04-15 | Hewlett-Packard Company | Heterodyne phase lock system |
US4137508A (en) * | 1977-06-30 | 1979-01-30 | Hugenholtz Eduard H | Channel selection system for a displaced spectrum frequency synthesizer |
US4095190A (en) * | 1977-07-20 | 1978-06-13 | General Research Of Electronics, Inc. | Tuning system |
-
1978
- 1978-02-01 JP JP53010286A patent/JPS584497B2/ja not_active Expired
-
1979
- 1979-01-29 US US06/007,604 patent/US4259644A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5950617A (ja) * | 1982-09-16 | 1984-03-23 | Yaesu Musen Co Ltd | Pll回路 |
JPH0345936B2 (ja) * | 1982-09-16 | 1991-07-12 | Yaesu Musen Kk |
Also Published As
Publication number | Publication date |
---|---|
US4259644A (en) | 1981-03-31 |
JPS584497B2 (ja) | 1983-01-26 |
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