DE602006011693D1 - Lokaloszillator mit Unterdrückung des Mitziehens der Frequenz und Störsignalfilterung - Google Patents

Lokaloszillator mit Unterdrückung des Mitziehens der Frequenz und Störsignalfilterung

Info

Publication number
DE602006011693D1
DE602006011693D1 DE602006011693T DE602006011693T DE602006011693D1 DE 602006011693 D1 DE602006011693 D1 DE 602006011693D1 DE 602006011693 T DE602006011693 T DE 602006011693T DE 602006011693 T DE602006011693 T DE 602006011693T DE 602006011693 D1 DE602006011693 D1 DE 602006011693D1
Authority
DE
Germany
Prior art keywords
local oscillator
noise filtering
frequency suppression
suppression
frequency
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.)
Active
Application number
DE602006011693T
Other languages
English (en)
Inventor
Ivan Krivokapic
Thierry Divel
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.)
STMicroelectronics lnc USA
Original Assignee
STMicroelectronics lnc USA
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 STMicroelectronics lnc USA filed Critical STMicroelectronics lnc USA
Publication of DE602006011693D1 publication Critical patent/DE602006011693D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • 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
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/185—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using a mixer in the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE602006011693T 2005-10-11 2006-10-10 Lokaloszillator mit Unterdrückung des Mitziehens der Frequenz und Störsignalfilterung Active DE602006011693D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/247,822 US7949072B2 (en) 2005-10-11 2005-10-11 Local oscillator with injection pulling suppression and spurious products filtering

Publications (1)

Publication Number Publication Date
DE602006011693D1 true DE602006011693D1 (de) 2010-03-04

Family

ID=37592453

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006011693T Active DE602006011693D1 (de) 2005-10-11 2006-10-10 Lokaloszillator mit Unterdrückung des Mitziehens der Frequenz und Störsignalfilterung

Country Status (3)

Country Link
US (2) US7949072B2 (de)
EP (1) EP1775843B1 (de)
DE (1) DE602006011693D1 (de)

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US7733984B2 (en) * 2006-11-08 2010-06-08 International Business Machines Corporation Implementing phase rotator circuits with embedded polyphase filter network stage
US7772932B1 (en) 2007-12-06 2010-08-10 Atheros Communications, Inc. Quadrature local oscillator generation for direct conversion radio transceiver
JP4787870B2 (ja) * 2008-10-02 2011-10-05 日本電波工業株式会社 周波数シンセサイザ
KR101614127B1 (ko) * 2010-02-03 2016-04-20 삼성전자주식회사 주파수 신호 생성 장치
JP5488116B2 (ja) * 2010-03-30 2014-05-14 ソニー株式会社 受信装置
CN102346443B (zh) * 2011-08-17 2013-07-10 北斗天汇（北京）科技有限公司 一种1pps锁存器及控制方法
EP2624445A1 (de) * 2012-02-02 2013-08-07 Sequans Communications Limited Frequenzerzeugung
US9432236B2 (en) * 2014-09-25 2016-08-30 Stmicroelectronics S.R.L. System for generating a calibration signal, related transceiver and method
US10873325B2 (en) * 2018-10-12 2020-12-22 Texas Instruments Incorporated Robust noise immune, low-skew, pulse width retainable glitch-filter
TWI713318B (zh) * 2019-04-09 2020-12-11 瑞昱半導體股份有限公司 適用於藍牙裝置的功率放大系統和相關功率放大方法
CN113783637B (zh) * 2021-09-16 2023-05-23 中国科学院新疆天文台 一种边带分离的射电天文信号接收装置

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US4056163A (en) * 1975-05-01 1977-11-01 Texas Instruments Incorporated Tracking bandpass filter for conditioning vibrator accelerometer waveform
US3986426A (en) * 1975-08-28 1976-10-19 Mark Edwin Faulhaber Music synthesizer
US5060297A (en) * 1988-04-04 1991-10-22 Ma John Y TVRO receiver system with tracking filter for rejection of image frequencies
US5953379A (en) * 1996-02-23 1999-09-14 Harris Corporation Current-controlled carrier tracking filter for improved spurious signal suppression
WO1998053579A1 (en) * 1997-05-23 1998-11-26 Koninklijke Philips Electronics N.V. Receiver with controllable amplifier means
US6144845A (en) * 1997-12-31 2000-11-07 Motorola, Inc. Method and circuit for image rejection
US6993314B2 (en) * 1998-05-29 2006-01-31 Silicon Laboratories Inc. Apparatus for generating multiple radio frequencies in communication circuitry and associated methods
US6738601B1 (en) * 1999-10-21 2004-05-18 Broadcom Corporation Adaptive radio transceiver with floating MOSFET capacitors
US7184724B1 (en) * 2000-04-18 2007-02-27 Microtune (Texas), L.P. System and method for frequency translation using an image reject mixer
US6960962B2 (en) 2001-01-12 2005-11-01 Qualcomm Inc. Local oscillator leakage control in direct conversion processes
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Also Published As

Publication number Publication date
US7949072B2 (en) 2011-05-24
US8374283B2 (en) 2013-02-12
EP1775843A1 (de) 2007-04-18
US20110140760A1 (en) 2011-06-16
EP1775843B1 (de) 2010-01-13
US20070081610A1 (en) 2007-04-12

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