FI981816L - Radiotaajuinen nollavälitaajuuden suora-alus-muunnin - Google Patents

Radiotaajuinen nollavälitaajuuden suora-alus-muunnin Download PDF

Info

Publication number: FI981816L
Authority: FI; Finland
Prior art keywords: submarine; converter; radio frequency; interval; zero
Prior art date: 1997-08-28

Application number

FI981816A

Other languages

English (en)

Swedish (sv)

Other versions

FI981816A0 (fi

FI981816A7 (fi

Inventor

Manku Tajinder

Leonard Maceachern

Original Assignee

Mitel Corp

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.)

1997-08-28

Filing date

1998-08-25

Publication date

1999-03-01

1998-08-25 Application filed by Mitel Corp filed Critical Mitel Corp

1998-08-25 Publication of FI981816A0 publication Critical patent/FI981816A0/fi

1999-03-01 Publication of FI981816L publication Critical patent/FI981816L/fi

1999-03-01 Publication of FI981816A7 publication Critical patent/FI981816A7/fi

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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Superheterodyne Receivers (AREA)
Transmitters (AREA)
Transceivers (AREA)

FI981816A 1997-08-28 1998-08-25 Radiotaajuinen nollavälitaajuuden suora-alus-muunnin FI981816A7 (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9718094A GB2328813B (en)	1997-08-28	1997-08-28	A radio frequency zero IF direct down converter

Publications (3)

Publication Number	Publication Date
FI981816A0 FI981816A0 (fi)	1998-08-25
FI981816L true FI981816L (fi)	1999-03-01
FI981816A7 FI981816A7 (fi)	1999-03-01

Family

ID=10818073

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI981816A FI981816A7 (fi)	1997-08-28	1998-08-25	Radiotaajuinen nollavälitaajuuden suora-alus-muunnin

Country Status (8)

Country	Link
US (1)	US6148184A (fi)
JP (1)	JP2978484B2 (fi)
CA (1)	CA2243757A1 (fi)
DE (1)	DE19837229C2 (fi)
FI (1)	FI981816A7 (fi)
FR (1)	FR2767989A1 (fi)
GB (1)	GB2328813B (fi)
SE (1)	SE9802907L (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2281236C (en)	1999-09-01	2010-02-09	Tajinder Manku	Direct conversion rf schemes using a virtually generated local oscillator
US6799287B1 (en) *	2000-05-01	2004-09-28	Hewlett-Packard Development Company, L.P.	Method and apparatus for verifying error correcting codes
US20020094794A1 (en) *	2000-12-29	2002-07-18	Tajinder Manku	Method and apparatus for conversion of radio frequency (RF) and baseband signals
KR100392361B1 (ko) *	2001-07-13	2003-07-23	한국전자통신연구원	우수 고주파 혼합기를 이용한 누설 신호 제거 장치 및 그방법
KR100441463B1 (ko)	2001-12-26	2004-07-23	한국전자통신연구원	저역통과필터 및 고역통과필터 특성의 로드를 이용한 능동직교위상신호 발생기
KR100429329B1 (ko) *	2002-01-25	2004-04-29	인티그런트 테크놀로지즈(주)	부정합 보상에 의해 스퓨리어스 신호가 제거된 믹서 회로
GB0205698D0 (en) *	2002-03-12	2002-04-24	Zarlink Semiconductor Ltd	Tuner
US7003274B1 (en) *	2003-03-05	2006-02-21	Cisco Systems Wireless Networking (Australia) Pty Limited	Frequency synthesizer and synthesis method for generating a multiband local oscillator signal
US6819274B2 (en) *	2003-04-14	2004-11-16	Silicon Laboratories Inc.	Method for tuning a bandpass analog-to-digital converter and associated architecture
US7340230B2 (en) *	2003-04-14	2008-03-04	Silicon Laboratories Inc.	Receiver architectures utilizing coarse analog tuning and associated methods
US7113760B1 (en) *	2003-04-29	2006-09-26	Ami Semiconductor, Inc.	Direct conversion receiver for amplitude modulated signals using linear/log filtering
US7139546B1 (en)	2003-04-29	2006-11-21	Ami Semiconductor, Inc.	Up-conversion of a down-converted baseband signal in a direct conversion architecture without the baseband signal passing through active elements
US7006809B2 (en) *	2003-05-06	2006-02-28	Ami Semiconductor, Inc.	Adaptive diversity receiver architecture
US7197091B1 (en)	2003-05-06	2007-03-27	Ami Semiconductor, Inc.	Direct conversion receiver with direct current offset correction circuitry
US7447491B2 (en) *	2003-06-06	2008-11-04	Silicon Laboratories Inc.	Multi-tuner integrated circuit architecture utilizing frequency isolated local oscillators and associated method
US7164901B2 (en) *	2003-12-24	2007-01-16	Agency For Science, Technology And Research	DC offset-free RF front-end circuits and systems for direct conversion receivers
US8121575B2 (en) *	2007-10-10	2012-02-21	Silicon Laboratories Inc.	Modulated IF receiver and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2657170A1 (de) *	1976-12-17	1978-06-22	Philips Patentverwaltung	Schaltungsanordnung zum empfang eines der seitenbaender aus einem zweiseitenbandsignal
GB1565899A (en) *	1977-12-14	1980-04-23	Philips Nv	Circuit arrangemnt for receiving one of the sidebands of a double sideband signal
GB2032737A (en) *	1978-10-24	1980-05-08	Standard Telephones Cables Ltd	Radio receiver for tone modulated signals
JPS5825746A (ja) *	1981-08-10	1983-02-16	Fujitsu Ltd	搬送波再生回路
EP0305602B1 (en) *	1987-09-03	1993-03-17	Koninklijke Philips Electronics N.V.	Dual branch receiver
IT1230401B (it) *	1989-06-15	1991-10-21	Italtel Spa	Ricevitore a conversione diretta per segnali numerici e metodo per la demodulazione di tali segnali.
GB9017418D0 (en) *	1990-08-08	1990-09-19	Gen Electric Co Plc	Half frequency mixer
KR100355684B1 (ko) *	1992-11-26	2002-12-11	코닌클리케 필립스 일렉트로닉스 엔.브이.	직접변환수신기
US5584059A (en) *	1993-06-30	1996-12-10	Motorola, Inc.	DC offset reduction in a zero-if transmitter
US5787362A (en) *	1996-07-08	1998-07-28	Nokia Mobile Phones Limited	AM removal from FM signal generated by IQ modulator

1997
- 1997-08-28 GB GB9718094A patent/GB2328813B/en not_active Expired - Fee Related
1998
- 1998-07-22 CA CA002243757A patent/CA2243757A1/en not_active Abandoned
- 1998-07-23 US US09/121,054 patent/US6148184A/en not_active Expired - Fee Related
- 1998-08-13 JP JP10228894A patent/JP2978484B2/ja not_active Expired - Fee Related
- 1998-08-17 DE DE19837229A patent/DE19837229C2/de not_active Expired - Fee Related
- 1998-08-25 FR FR9810794A patent/FR2767989A1/fr active Pending
- 1998-08-25 FI FI981816A patent/FI981816A7/fi unknown
- 1998-08-28 SE SE9802907A patent/SE9802907L/ not_active Application Discontinuation

Also Published As

Publication number	Publication date
SE9802907L (sv)	1999-03-01
FR2767989A1 (fr)	1999-03-05
FI981816A0 (fi)	1998-08-25
GB2328813A (en)	1999-03-03
US6148184A (en)	2000-11-14
JPH11136038A (ja)	1999-05-21
DE19837229A1 (de)	1999-03-04
JP2978484B2 (ja)	1999-11-15
DE19837229C2 (de)	2002-07-18
GB2328813B (en)	2001-08-29
CA2243757A1 (en)	1999-02-28
GB9718094D0 (en)	1997-10-29
SE9802907D0 (sv)	1998-08-28
FI981816A7 (fi)	1999-03-01

Publication	Publication Date	Title
DE69834361D1 (de)	2006-06-08	Funkgerät
DE69700244D1 (de)	1999-07-08	Hochfrequenzmodul
FI970297A0 (fi)	1997-01-24	Yksinkertainen kahden taajuuden antenni
DE69836882D1 (de)	2007-03-08	Funkgerät
FI102434B1 (fi)	1998-11-30	Kahden taajuuden antenni
DE69834875D1 (de)	2006-07-27	Frequenzumsetzungsschaltung
DE19782146T1 (de)	2000-02-24	Radiofrequenzschaltungsmodul
DE69731030D1 (de)	2004-11-11	Funksendeempfänger
DE69930659D1 (de)	2006-05-18	Multiwellenform software funkgerät
DE69833161D1 (de)	2006-04-06	Funkgerät
DE59905647D1 (de)	2003-06-26	Funkgerät
EE9900368A (et)	2000-04-17	Diskreetimissageduse konverter
DE69837070D1 (de)	2007-03-29	Zweibandfunkgerät
FI981816L (fi)	1999-03-01	Radiotaajuinen nollavälitaajuuden suora-alus-muunnin
DE69737578D1 (de)	2007-05-24	Resonanzwandler
FI973248A0 (fi)	1997-08-06	Stegstyrd frekvenssyntetisator
DE69922584D1 (de)	2005-01-20	Hochfrequenzumsetzer
DE69815591D1 (de)	2003-07-24	Frequenzsynthetisierer
DE69839512D1 (de)	2008-07-03	Radio architektur
DE59808871D1 (de)	2003-08-07	Rundfunkempfänger
DE59814027D1 (de)	2007-07-26	Funkgerät
DE69810881D1 (de)	2003-02-27	Frequenzteiler
DE60008030D1 (de)	2004-03-11	Frequenzumsetzer
DE59814123D1 (de)	2007-12-27	Rundfunkempfänger
DE59813009D1 (de)	2005-09-22	Funkgerät