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SE9304225L - Lokaloscillator - Google Patents

Lokaloscillator

Info

Publication number
SE9304225L
SE9304225L SE9304225A SE9304225A SE9304225L SE 9304225 L SE9304225 L SE 9304225L SE 9304225 A SE9304225 A SE 9304225A SE 9304225 A SE9304225 A SE 9304225A SE 9304225 L SE9304225 L SE 9304225L
Authority
SE
Sweden
Prior art keywords
signal
frequency
changed
steps
oscillator
Prior art date
Application number
SE9304225A
Other languages
Unknown language ( )
English (en)
Other versions
SE508725C2 (sv
SE9304225D0 (sv
Inventor
Bjoern Lundqvist
Bjoern Lofter
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9304225A priority Critical patent/SE508725C2/sv
Publication of SE9304225D0 publication Critical patent/SE9304225D0/sv
Priority to EP94850226A priority patent/EP0660507B1/en
Priority to DE69423197T priority patent/DE69423197T2/de
Priority to US08/359,734 priority patent/US5697089A/en
Publication of SE9304225L publication Critical patent/SE9304225L/sv
Publication of SE508725C2 publication Critical patent/SE508725C2/sv

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
SE9304225A 1993-12-21 1993-12-21 Lokaloscillator SE508725C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9304225A SE508725C2 (sv) 1993-12-21 1993-12-21 Lokaloscillator
EP94850226A EP0660507B1 (en) 1993-12-21 1994-12-16 Local oscillator
DE69423197T DE69423197T2 (de) 1993-12-21 1994-12-16 Überlagerungsoszillator
US08/359,734 US5697089A (en) 1993-12-21 1994-12-20 Local oscillator having plural oscillators facilitating channel switching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9304225A SE508725C2 (sv) 1993-12-21 1993-12-21 Lokaloscillator

Publications (3)

Publication Number Publication Date
SE9304225D0 SE9304225D0 (sv) 1993-12-21
SE9304225L true SE9304225L (sv) 1995-06-22
SE508725C2 SE508725C2 (sv) 1998-11-02

Family

ID=20392159

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9304225A SE508725C2 (sv) 1993-12-21 1993-12-21 Lokaloscillator

Country Status (4)

Country Link
US (1) US5697089A (sv)
EP (1) EP0660507B1 (sv)
DE (1) DE69423197T2 (sv)
SE (1) SE508725C2 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521908B4 (de) * 1995-06-16 2005-11-10 Atmel Germany Gmbh Überlagerungsempfänger mit Synchrondemodulation für den Zeitzeichenempfang
KR100233658B1 (ko) * 1996-10-21 1999-12-01 윤종용 고선명 텔레비젼 수신기의 반송파 복구시간을 줄이는 방법
GB2337883B (en) * 1998-05-29 2002-12-18 British Broadcasting Corp Multiple conversion radio receivers
JP2001044873A (ja) * 1999-07-29 2001-02-16 Alps Electric Co Ltd 二重周波数変換器
AU2002241754A1 (en) * 2000-11-03 2002-06-18 Ensemble Communications, Inc. Very low noise local oscillator for use in wireless communication transceiver
US7027833B1 (en) 2003-04-03 2006-04-11 The United States Of America As Represented By The Secretary Of The Navy Dual band superheterodyne receiver
US7447491B2 (en) * 2003-06-06 2008-11-04 Silicon Laboratories Inc. Multi-tuner integrated circuit architecture utilizing frequency isolated local oscillators and associated method
CN101686064A (zh) * 2008-09-23 2010-03-31 国民技术股份有限公司 用于射频sim卡的两次变频接收电路和方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092594A (en) * 1975-05-30 1978-05-30 Masco Corporation Of Indiana Crystalless scanning radio receiver controlled by processing means
JPS5399811A (en) * 1977-02-14 1978-08-31 Torio Kk Double superheterodyne system fm receiver
US4395777A (en) * 1980-01-12 1983-07-26 Sony Corporation Double superheterodyne receiver
JPS5871735A (ja) * 1981-10-26 1983-04-28 Hitachi Ltd テレビジヨン受信機のチユ−ナ
JPS6048625A (ja) * 1983-08-29 1985-03-16 Anritsu Corp ２重スーパヘテロダイン受信機
JPS60259003A (ja) * 1984-06-06 1985-12-21 Nec Corp ２重周波数変換器
FR2586872A1 (fr) * 1985-08-30 1987-03-06 Electronique Prof Ste Rennaise Convertisseur hyperfrequence-radiofrequence monolithique.
US5220680A (en) * 1991-01-15 1993-06-15 Pactel Corporation Frequency signal generator apparatus and method for simulating interference in mobile communication systems

Also Published As

Publication number Publication date
EP0660507A1 (en) 1995-06-28
SE508725C2 (sv) 1998-11-02
DE69423197T2 (de) 2000-11-23
EP0660507B1 (en) 2000-03-01
DE69423197D1 (de) 2000-04-06
SE9304225D0 (sv) 1993-12-21
US5697089A (en) 1997-12-09

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Legal Events

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