ATE441968T1 - Vorrichtung zum herabsetzen von zf-signalen ins basisband, und verfahren dazu - Google Patents

Vorrichtung zum herabsetzen von zf-signalen ins basisband, und verfahren dazu

Info

Publication number
ATE441968T1
ATE441968T1 AT03001939T AT03001939T ATE441968T1 AT E441968 T1 ATE441968 T1 AT E441968T1 AT 03001939 T AT03001939 T AT 03001939T AT 03001939 T AT03001939 T AT 03001939T AT E441968 T1 ATE441968 T1 AT E441968T1
Authority
AT
Austria
Prior art keywords
signal
hard
samples
baseband
dumped
Prior art date
Application number
AT03001939T
Other languages
English (en)
Inventor
William Ellis Rodgers
Terrance Wayne Charbonneau
Original Assignee
Itt Mfg Enterprises Inc
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 Itt Mfg Enterprises Inc filed Critical Itt Mfg Enterprises Inc
Application granted granted Critical
Publication of ATE441968T1 publication Critical patent/ATE441968T1/de

Links

Classifications

    • 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
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Transmitters (AREA)
  • Analogue/Digital Conversion (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Burglar Alarm Systems (AREA)
AT03001939T 2002-02-05 2003-01-30 Vorrichtung zum herabsetzen von zf-signalen ins basisband, und verfahren dazu ATE441968T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/062,522 US7061998B1 (en) 2002-02-05 2002-02-05 Methods and apparatus for downconverting signals from intermediate frequency to baseband

Publications (1)

Publication Number Publication Date
ATE441968T1 true ATE441968T1 (de) 2009-09-15

Family

ID=27658575

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03001939T ATE441968T1 (de) 2002-02-05 2003-01-30 Vorrichtung zum herabsetzen von zf-signalen ins basisband, und verfahren dazu

Country Status (4)

Country Link
US (1) US7061998B1 (de)
EP (1) EP1339167B1 (de)
AT (1) ATE441968T1 (de)
DE (1) DE60329045D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10361037A1 (de) * 2003-12-23 2005-07-28 Infineon Technologies Ag Verfahren und Vorrichtung zur Demodulation eines phasenmodulierten Signals
JP4657662B2 (ja) * 2004-09-10 2011-03-23 ルネサスエレクトロニクス株式会社 クロックアンドデータリカバリ回路
JP2006148627A (ja) * 2004-11-22 2006-06-08 Fujitsu Ltd 周波数変調信号の復調器、および周波数変調信号の復調方法
FR2885467B1 (fr) * 2005-05-04 2007-08-24 St Microelectronics Rousset Dispositif de reception numerique base sur un comparateur en entree
US7660342B2 (en) 2005-05-04 2010-02-09 Stmicroelectronics (Rousset) Sas Digital receiver device based on an input comparator
US8179296B2 (en) 2005-09-30 2012-05-15 The Massachusetts Institute Of Technology Digital readout method and apparatus
US20100226495A1 (en) 2007-10-29 2010-09-09 Michael Kelly Digital readout method and apparatus
US8471761B1 (en) 2010-04-23 2013-06-25 Akela, Inc. Wideband radar nulling system
WO2013006188A1 (en) * 2011-07-01 2013-01-10 Schultz Kenneth I Methods and apparatus for in-pixel filtering in focal plane arrays
GB2523108A (en) * 2014-02-12 2015-08-19 Canon Kk Frame synchronization at low ADC resolution
US10746851B2 (en) * 2015-12-18 2020-08-18 Texas Instruments Incorporated Circuits and methods for determining chirp signal linearity and phase noise of a FMCW radar

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555667A (en) 1983-09-26 1985-11-26 Rixon, Inc. Synchronous digital QPSK demodulator with carrier error correction
US4669095A (en) 1985-09-27 1987-05-26 Motorola, Inc. Maximum distance from zero crossing MSK demodulator
US5159281A (en) 1991-11-20 1992-10-27 Nsi Partners Digital demodulator using numerical processor to evaluate period measurements
US5272448A (en) 1991-11-20 1993-12-21 Numa Technologies, Inc. Method and apparatus to perform digital demodulation by measuring periods between zero crossings
IL107656A (en) 1993-11-18 1996-11-14 Dsp Telecomm Ltd Demodulator
US5539776A (en) 1993-11-24 1996-07-23 At&T Corp. All digital if-to-baseband signal converter
US5696796A (en) 1995-06-07 1997-12-09 Comsat Corporation Continuously variable if sampling method for digital data transmission
US5633895A (en) 1995-08-03 1997-05-27 Motorola, Inc. Communication device with synchronized zero-crossing demodulator and method
US6922555B1 (en) 1999-09-02 2005-07-26 Koninklijke Philips Electronics N.V. Phase interpolation receiver for angle modulated RF signals

Also Published As

Publication number Publication date
EP1339167A2 (de) 2003-08-27
DE60329045D1 (de) 2009-10-15
EP1339167B1 (de) 2009-09-02
US7061998B1 (en) 2006-06-13
EP1339167A3 (de) 2004-09-22

Similar Documents

Publication Publication Date Title
ATE441968T1 (de) Vorrichtung zum herabsetzen von zf-signalen ins basisband, und verfahren dazu
RU2003110408A (ru) Устройство и способ демодуляции в системе связи, использующей 16-ричную квадратурную амплитудную модуляцию
KR950004792A (ko) 디지탈 복조 장치 및 디지탈 복조방법
US4533874A (en) Digital FSK demodulator using non-recursive transversal filter
WO2017082817A1 (en) Apparatus and method for direct radio frequency (rf) sampling in near field communication (nfc) devices
WO2008058440A1 (fr) Système et procédé de démodulation numérique de signal en modulation de fréquence dans un système numérique de radiocommunications mobiles
CN1297619A (zh) 用于直接接收角调制信号的无正交射频接收机
US5757868A (en) Digital phase detector with integrated phase detection
EP2249534A1 (de) Phasensynchronisationseinrichtung und phasensynchronisationsverfahren
CN105264773B (zh) 易位调制系统和方法
GB2330261A (en) Four level FSK demodulator
US7019599B2 (en) Apparatus for continuous phase quadrature amplitude modulation and demodulation
US7983643B2 (en) Frequency demodulation with threshold extension
EP0803998A3 (de) Demodulationsvorrichtung für datenmodulierte Träger
JPH09501277A (ja) デジタル変調された信号を復調する方法及び復調器
JPH05183593A (ja) 遅延検波回路
US8064545B2 (en) Device and method for determining a constellation of a quadrature amplitude modulated signal
JP2010246105A (ja) Ｄｃオフセット補償システムおよび方法
JPS54156461A (en) Demodulator for amplitude modulation wave
RU2154896C1 (ru) Устройство распознавания радиосигналов
US6163209A (en) Demodulation of angle modulated carriers using a noncoherent reference
KR100297788B1 (ko) 데이터 복조장치
Fischer Major Applications
JPH05175938A (ja) スペクトラム拡散受信装置
JP2000151735A (ja) 位相検波回路

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties