DE60129913D1 - ZF FSK Empfänger mit Schaltungen für Differenzierer und Spitzenwertdetektor - Google Patents

ZF FSK Empfänger mit Schaltungen für Differenzierer und Spitzenwertdetektor

Info

Publication number
DE60129913D1
DE60129913D1 DE60129913T DE60129913T DE60129913D1 DE 60129913 D1 DE60129913 D1 DE 60129913D1 DE 60129913 T DE60129913 T DE 60129913T DE 60129913 T DE60129913 T DE 60129913T DE 60129913 D1 DE60129913 D1 DE 60129913D1
Authority
DE
Germany
Prior art keywords
signal
differentiator
demodulator
circuits
peak detector
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.)
Expired - Lifetime
Application number
DE60129913T
Other languages
English (en)
Other versions
DE60129913T2 (de
Inventor
Hooman Darabi
Shahla Khorram
Maryam Rofougaran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Broadcom Corp
Original Assignee
Broadcom 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.)
Filing date
Publication date
Application filed by Broadcom Corp filed Critical Broadcom Corp
Publication of DE60129913D1 publication Critical patent/DE60129913D1/de
Application granted granted Critical
Publication of DE60129913T2 publication Critical patent/DE60129913T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
DE60129913T 2000-11-27 2001-11-26 ZF FSK Empfänger mit Schaltungen für Differenzierer und Spitzenwertdetektor Expired - Lifetime DE60129913T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25326800P 2000-11-27 2000-11-27
US253268P 2000-11-27
US960536 2001-09-21
US09/960,536 US6968019B2 (en) 2000-11-27 2001-09-21 IF FSK receiver

Publications (2)

Publication Number Publication Date
DE60129913D1 true DE60129913D1 (de) 2007-09-27
DE60129913T2 DE60129913T2 (de) 2008-05-08

Family

ID=26943080

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60129913T Expired - Lifetime DE60129913T2 (de) 2000-11-27 2001-11-26 ZF FSK Empfänger mit Schaltungen für Differenzierer und Spitzenwertdetektor

Country Status (4)

Country Link
US (2) US6968019B2 (de)
EP (1) EP1209869B1 (de)
AT (1) ATE370591T1 (de)
DE (1) DE60129913T2 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6633550B1 (en) 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6061551A (en) * 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6370371B1 (en) * 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6542722B1 (en) * 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7039372B1 (en) * 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6873836B1 (en) * 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US6879817B1 (en) * 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) * 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110435B1 (en) * 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) * 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) * 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) * 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) * 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) * 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7138884B2 (en) * 2002-08-19 2006-11-21 Dsp Group Inc. Circuit package integrating passive radio frequency structure
TW586263B (en) * 2003-01-29 2004-05-01 Mediatek Inc Analog demodulator in a low-IF receiver
US7369813B2 (en) * 2003-05-14 2008-05-06 Telefonaktiebolaget L M Ericsson (Publ) Fast calibration of electronic components
JP4220353B2 (ja) * 2003-11-06 2009-02-04 株式会社ケンウッド 変調装置、移動通信システム、変調方法、及び通信方法
US7596195B2 (en) * 2004-03-31 2009-09-29 Broadcom Corporation Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture
US7603098B2 (en) 2004-03-31 2009-10-13 Broadcom Corporation Programmable IF frequency filter for enabling a compromise between DC offset rejection and image rejection
GB0501593D0 (en) 2005-01-25 2005-03-02 Innovision Res & Tech Plc Demodulation apparatus and method
US7613439B2 (en) * 2005-09-16 2009-11-03 Broadcom Corporation Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment
US20070165708A1 (en) * 2006-01-17 2007-07-19 Hooman Darabi Wireless transceiver with modulation path delay calibration
US7653359B2 (en) * 2006-01-20 2010-01-26 Broadcom Corporation Techniques to decrease fractional spurs for wireless transceivers
US7647026B2 (en) * 2006-02-16 2010-01-12 Broadcom Corporation Receiver architecture for wireless transceiver
US8218693B2 (en) * 2006-03-09 2012-07-10 Broadcom Corporation Gain control for wireless receiver
US8467473B2 (en) * 2006-03-31 2013-06-18 Broadcom Corporation Power control techniques for wireless transmitters
US7551910B2 (en) * 2006-05-15 2009-06-23 Broadcom Corporation Translation and filtering techniques for wireless receivers
US7769361B2 (en) * 2006-07-19 2010-08-03 Qualcomm Incorporated Systems, methods, and apparatus for frequency conversion
US8232851B2 (en) 2009-03-16 2012-07-31 International Business Machines Corporation On-chip millimeter wave lange coupler
US9143172B2 (en) * 2009-06-03 2015-09-22 Qualcomm Incorporated Tunable matching circuits for power amplifiers
US8963611B2 (en) * 2009-06-19 2015-02-24 Qualcomm Incorporated Power and impedance measurement circuits for a wireless communication device
US8750810B2 (en) * 2009-07-24 2014-06-10 Qualcomm Incorporated Power amplifier with switched output matching for multi-mode operation
US8072272B2 (en) 2009-08-19 2011-12-06 Qualcomm, Incorporated Digital tunable inter-stage matching circuit
US9559639B2 (en) * 2009-08-19 2017-01-31 Qualcomm Incorporated Protection circuit for power amplifier
US20110089162A1 (en) * 2009-10-16 2011-04-21 Cookek Induction Systems, LLC, a division of Middleby Corporation Induction-Based Heating Appliances Employing Long Wave Magnetic Communication
US9148125B2 (en) * 2013-05-31 2015-09-29 Technische Universiteit Delft High order discrete time charge rotating passive infinite impulse response filter
CN107181540B (zh) * 2017-05-31 2021-01-22 珠海市杰理科技股份有限公司 蓝牙信号处理装置及蓝牙数据帧检测方法
US10374838B2 (en) * 2017-06-30 2019-08-06 Futurewei Technologies, Inc. Image distortion correction in a wireless terminal
JP2019106575A (ja) * 2017-12-08 2019-06-27 ルネサスエレクトロニクス株式会社 無線受信機、及び中間周波数信号生成方法
US10833631B2 (en) * 2018-01-26 2020-11-10 Mediatek Inc. Amplifier bandwidth calibration of continuous time circuit

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947769A (en) 1974-10-23 1976-03-30 Hoffman Electronics Corporation Threshold correction system in FSK transmissions
GB2032737A (en) 1978-10-24 1980-05-08 Standard Telephones Cables Ltd Radio receiver for tone modulated signals
US4339829A (en) * 1978-12-29 1982-07-13 Dimon Donald F Automatic tuning system for a narrow bandwidth communication
US5414730A (en) * 1993-12-21 1995-05-09 Unisys Corporation Asynchronous samples data demodulation system
US5502746A (en) 1994-05-16 1996-03-26 Exar Corporation Dual stage differential adaptive peak detector for data communications receivers
US5691656A (en) * 1995-02-22 1997-11-25 Texas Instruments Incorporated Precision (nπ)/2 latching phase detector
US5832043A (en) * 1995-04-03 1998-11-03 Motorola, Inc. System and method for maintaining continuous phase during up/down conversion of near-zero hertz intermediate frequencies
KR100460357B1 (ko) 1996-03-02 2005-02-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 제어신호발생을위한회로장치및무선수신기
US5694079A (en) * 1996-04-04 1997-12-02 Lucent Technologies Inc. Digital FM demodulator using a lagrangian interpolation function
JP3595992B2 (ja) 1996-05-22 2004-12-02 ソニー株式会社 記録媒体駆動装置および記録媒体駆動方法
JPH1065566A (ja) * 1996-08-23 1998-03-06 Matsushita Electric Ind Co Ltd 小型無線機
SE508290C2 (sv) * 1997-01-21 1998-09-21 Ericsson Telefon Ab L M Mottagaranordning för två frekvensband
US6385442B1 (en) * 1998-03-04 2002-05-07 Symbol Technologies, Inc. Multiphase receiver and oscillator
DE69920273T2 (de) * 1998-11-12 2005-09-22 Broadcom Corp., Irvine Integrierte tunerarchitektur
US6127884A (en) * 1999-05-24 2000-10-03 Philips Electronics North America Corp. Differentiate and multiply based timing recovery in a quadrature demodulator
US6987966B1 (en) * 1999-10-21 2006-01-17 Broadcom Corporation Adaptive radio transceiver with polyphase calibration
US7555263B1 (en) * 1999-10-21 2009-06-30 Broadcom Corporation Adaptive radio transceiver
US7145934B2 (en) * 2001-03-03 2006-12-05 Oxford Semiconductor Inc Multichannel signal transmission and reception for bluetooth systems

Also Published As

Publication number Publication date
US20060002491A1 (en) 2006-01-05
DE60129913T2 (de) 2008-05-08
ATE370591T1 (de) 2007-09-15
EP1209869A1 (de) 2002-05-29
US7447275B2 (en) 2008-11-04
EP1209869B1 (de) 2007-08-15
US20020094037A1 (en) 2002-07-18
US6968019B2 (en) 2005-11-22

Similar Documents

Publication Publication Date Title
DE60129913D1 (de) ZF FSK Empfänger mit Schaltungen für Differenzierer und Spitzenwertdetektor
GB2322724A (en) Wireless powered communication device using power signal sampling and method
CN101895387B (zh) 扩展的二元相移键控调制突发通信快速同步方法
DK1317866T3 (da) Styring af bærbare radiotelefoner
US5930304A (en) Wireless powered communication device with adaptive data detection and method
RU2003133453A (ru) Устройство для преобразования с понижением частоты сигналов, передаваемых с использованием множества форматов модуляции, в общий диапазон промежуточных частот
DK1228504T3 (da) Afkodning af information i lydsignaler
CN102047574B (zh) 采用数字rf处理技术的本地无线信号发送/接收装置及方法
EP1605389A3 (de) Magnetkartenleser sowie Wiedergabe- und Demodulationsverfahren
DK1099188T3 (da) Forbedret læseindretning til kontaktløse etiketter
WO2002069499A3 (en) Divide-by-three circuit
TW200627883A (en) Method and system for analog and digital RF receiver interface cross-erference to related applications/incorporation by reference
US5949826A (en) Data transmission and reception system
Phan et al. Low-power CMOS energy detection transceiver for UWB impulse radio system
AU2002360740A1 (en) Spread spectrum clocking tolerant receivers
JP2002530933A5 (de)
DE59914526D1 (de) Datenfunkübertragungsvorrichtung
ATE290287T1 (de) Demodulator für cpfsk-modulierte signale unter verwendung einer linearen näherung des cpfsk- signals
WO2002091697A3 (en) Demodulation of psk signals
WO1999044327A3 (en) Clock recovery circuit and a receiver having a clock recovery circuit
WO2001082545A3 (en) Device and method for signal sampling at multiple clock rates
EP1959624A4 (de) Demodulatorschaltung
EP1333584A4 (de) Demultiplexervorrichtung und kommunikationsvorrichtung damit
CA2310368A1 (en) Sample timing control for demodulation of phase-modulated signals
JP3209905B2 (ja) Ｐｓｋ信号の復調回路およびデータ送受信システム

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOSCH JEHLE PATENTANWALTSGESELLSCHAFT MBH, 80639 M