ATE370591T1 - Zf fsk empfänger mit schaltungen für differenzierer und spitzenwertdetektor - Google Patents

Zf fsk empfänger mit schaltungen für differenzierer und spitzenwertdetektor

Info

Publication number
ATE370591T1
ATE370591T1 AT01250413T AT01250413T ATE370591T1 AT E370591 T1 ATE370591 T1 AT E370591T1 AT 01250413 T AT01250413 T AT 01250413T AT 01250413 T AT01250413 T AT 01250413T AT E370591 T1 ATE370591 T1 AT E370591T1
Authority
AT
Austria
Prior art keywords
signal
demodulator
differential
circuit
peak detector
Prior art date
Application number
AT01250413T
Other languages
English (en)
Inventor
Hooman Darabi
Shahla Khorram
Maryam Rofougaran
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
Application granted granted Critical
Publication of ATE370591T1 publication Critical patent/ATE370591T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Electrophonic Musical Instruments (AREA)
AT01250413T 2000-11-27 2001-11-26 Zf fsk empfänger mit schaltungen für differenzierer und spitzenwertdetektor ATE370591T1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ATE370591T1 true ATE370591T1 (de) 2007-09-15

Family

ID=26943080

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01250413T ATE370591T1 (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)

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US7039372B1 (en) * 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6370371B1 (en) * 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
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
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
US7110435B1 (en) * 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
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
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
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
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
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
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
US9559639B2 (en) * 2009-08-19 2017-01-31 Qualcomm Incorporated Protection circuit for power amplifier
US8072272B2 (en) 2009-08-19 2011-12-06 Qualcomm, Incorporated Digital tunable inter-stage matching circuit
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

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Also Published As

Publication number Publication date
EP1209869B1 (de) 2007-08-15
DE60129913T2 (de) 2008-05-08
US20020094037A1 (en) 2002-07-18
US20060002491A1 (en) 2006-01-05
DE60129913D1 (de) 2007-09-27
US7447275B2 (en) 2008-11-04
US6968019B2 (en) 2005-11-22
EP1209869A1 (de) 2002-05-29

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