TWI355140B - - Google Patents

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Publication number
TWI355140B
TWI355140B TW094133823A TW94133823A TWI355140B TW I355140 B TWI355140 B TW I355140B TW 094133823 A TW094133823 A TW 094133823A TW 94133823 A TW94133823 A TW 94133823A TW I355140 B TWI355140 B TW I355140B
Authority
TW
Taiwan
Prior art keywords
signal
voltage
frequency
logarithmic
intermediate frequency
Prior art date
Application number
TW094133823A
Other languages
English (en)
Chinese (zh)
Other versions
TW200635216A (en
Inventor
Kenichi Ishida
Hideharu Tsunemoto
Original Assignee
Leader Electronics
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 Leader Electronics filed Critical Leader Electronics
Publication of TW200635216A publication Critical patent/TW200635216A/zh
Application granted granted Critical
Publication of TWI355140B publication Critical patent/TWI355140B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0091—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with means for scanning over a band of frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
TW094133823A 2004-11-18 2005-09-28 Instrument for measuring characteristic of tuner TW200635216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004334185A JP2006148407A (ja) 2004-11-18 2004-11-18 チューナの特性を測定する装置

Publications (2)

Publication Number Publication Date
TW200635216A TW200635216A (en) 2006-10-01
TWI355140B true TWI355140B (ja) 2011-12-21

Family

ID=36406937

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094133823A TW200635216A (en) 2004-11-18 2005-09-28 Instrument for measuring characteristic of tuner

Country Status (5)

Country Link
JP (1) JP2006148407A (ja)
KR (1) KR20070089804A (ja)
CN (1) CN101061651B (ja)
TW (1) TW200635216A (ja)
WO (1) WO2006054391A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101977087A (zh) * 2010-10-18 2011-02-16 上海新干通通信设备有限公司 一种atp空中接口监测系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714876A (en) * 1996-04-24 1998-02-03 Tektronix, Inc. In-service serial digital source signal-level and cable-length measurement
JPH11167565A (ja) * 1997-09-30 1999-06-22 Advantest Corp 高速フーリエ変換装置及びネットワークアナライザ
JP2001228186A (ja) * 2000-02-14 2001-08-24 Toko Inc フィルタの同調周波数測定装置
JP2002305691A (ja) * 2001-04-06 2002-10-18 Matsushita Electric Ind Co Ltd 高周波装置
JP2002374167A (ja) * 2001-06-12 2002-12-26 Nissin Electric Co Ltd 監視制御のアナログ入力装置

Also Published As

Publication number Publication date
CN101061651A (zh) 2007-10-24
JP2006148407A (ja) 2006-06-08
TW200635216A (en) 2006-10-01
WO2006054391A1 (ja) 2006-05-26
KR20070089804A (ko) 2007-09-03
CN101061651B (zh) 2012-02-22

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees