CN1057176C - 用于检测指示信号的开关电容带通滤波器 - Google Patents

用于检测指示信号的开关电容带通滤波器 Download PDF

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Publication number
CN1057176C
CN1057176C CN95104023A CN95104023A CN1057176C CN 1057176 C CN1057176 C CN 1057176C CN 95104023 A CN95104023 A CN 95104023A CN 95104023 A CN95104023 A CN 95104023A CN 1057176 C CN1057176 C CN 1057176C
Authority
CN
China
Prior art keywords
filter
frequency
switched capacitor
signal
bandpass filter
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 - Fee Related
Application number
CN95104023A
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English (en)
Chinese (zh)
Other versions
CN1117667A (zh
Inventor
李廷仁
金亮均
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1117667A publication Critical patent/CN1117667A/zh
Application granted granted Critical
Publication of CN1057176C publication Critical patent/CN1057176C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • 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
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • 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
    • H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CN95104023A 1994-08-12 1995-04-08 用于检测指示信号的开关电容带通滤波器 Expired - Fee Related CN1057176C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019940019947A KR970001313B1 (ko) 1994-08-12 1994-08-12 방송 상태 식별신호 검출용 스위치드 캐패시터 대역 통과 필터
KR19947/94 1994-08-12
KR19947/1994 1994-08-12

Publications (2)

Publication Number Publication Date
CN1117667A CN1117667A (zh) 1996-02-28
CN1057176C true CN1057176C (zh) 2000-10-04

Family

ID=19390287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95104023A Expired - Fee Related CN1057176C (zh) 1994-08-12 1995-04-08 用于检测指示信号的开关电容带通滤波器

Country Status (4)

Country Link
JP (1) JPH0879013A (de)
KR (1) KR970001313B1 (de)
CN (1) CN1057176C (de)
DE (1) DE19512858A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100450658B1 (ko) * 1997-08-27 2004-11-16 삼성전자주식회사 스위치드 커패시터 필터 제어장치 및 방법
US7403063B2 (en) * 2005-11-23 2008-07-22 Mediatek Inc. Apparatus and method for tuning center frequency of a filter
DE102006034581A1 (de) * 2006-07-26 2008-01-31 Infineon Technologies Ag Filtervorrichtung
CN102098044A (zh) * 2010-12-10 2011-06-15 青岛海信信芯科技有限公司 一种像素锁相时钟频率发生方法及装置
JP5638419B2 (ja) 2011-02-25 2014-12-10 セイコーエプソン株式会社 信号処理回路、物理量検出装置、角速度検出装置、集積回路装置及び電子機器
CN104935290B (zh) * 2015-07-01 2017-07-28 东南大学 硅基低漏电流固支梁栅的开关电容滤波器及制备方法
CN111142058B (zh) * 2020-01-02 2022-05-17 联芸科技（杭州）有限公司 电阻检测装置及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860354A (en) * 1986-12-22 1989-08-22 U. S. Philips Corporation Arrangement for decoding a stereo multiplex signal
US4932058A (en) * 1989-08-14 1990-06-05 Delco Electronics Corporation Pilot cancellation circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860354A (en) * 1986-12-22 1989-08-22 U. S. Philips Corporation Arrangement for decoding a stereo multiplex signal
US4932058A (en) * 1989-08-14 1990-06-05 Delco Electronics Corporation Pilot cancellation circuit

Also Published As

Publication number Publication date
KR960009394A (ko) 1996-03-22
KR970001313B1 (ko) 1997-02-05
JPH0879013A (ja) 1996-03-22
DE19512858A1 (de) 1996-02-15
CN1117667A (zh) 1996-02-28

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