IT1122449B - Circuito di filtro passa-banda - Google Patents

Circuito di filtro passa-banda

Info

Publication number
IT1122449B
IT1122449B IT25011/79A IT2501179A IT1122449B IT 1122449 B IT1122449 B IT 1122449B IT 25011/79 A IT25011/79 A IT 25011/79A IT 2501179 A IT2501179 A IT 2501179A IT 1122449 B IT1122449 B IT 1122449B
Authority
IT
Italy
Prior art keywords
pass
filter circuit
band filter
band
circuit
Prior art date
Application number
IT25011/79A
Other languages
English (en)
Other versions
IT7925011A0 (it
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of IT7925011A0 publication Critical patent/IT7925011A0/it
Application granted granted Critical
Publication of IT1122449B publication Critical patent/IT1122449B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IT25011/79A 1978-08-23 1979-08-09 Circuito di filtro passa-banda IT1122449B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53102586A JPS6031368B2 (ja) 1978-08-23 1978-08-23 帯域炉波器

Publications (2)

Publication Number Publication Date
IT7925011A0 IT7925011A0 (it) 1979-08-09
IT1122449B true IT1122449B (it) 1986-04-23

Family

ID=14331328

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25011/79A IT1122449B (it) 1978-08-23 1979-08-09 Circuito di filtro passa-banda

Country Status (7)

Country Link
US (1) US4310803A (it)
JP (1) JPS6031368B2 (it)
CA (1) CA1137573A (it)
DE (1) DE2933693C2 (it)
FR (1) FR2434517A1 (it)
GB (1) GB2032213B (it)
IT (1) IT1122449B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580950A (en) * 1978-12-08 1980-06-18 Fujitsu Ltd Arrier wave regenerating circuit
US4461014A (en) * 1980-09-23 1984-07-17 Mitsubishi Denki Kabushiki Kaisha Carrier regenerating circuit
FR2502872B1 (fr) * 1981-03-27 1988-06-17 Laures Antoine Organe de recuperation de porteuse pour signal a modulations mdp2 ou mdp4
JPS58123638U (ja) * 1982-02-15 1983-08-23 株式会社ケンウッド 可変帯域装置
US5300838A (en) * 1992-05-20 1994-04-05 General Electric Co. Agile bandpass filter
FI20001774A (fi) * 2000-08-10 2002-02-11 Nokia Networks Oy Lähetinvastaanottimen testaaminen
DE10251176A1 (de) * 2002-10-31 2004-05-13 Siemens Ag Anordnung und Verfahren für eine Trägerrückgewinnung
FR2849726B1 (fr) * 2003-01-06 2005-02-25 Thomson Licensing Sa Dispositif de filtrage tres selectif et procede de filtrage correspondant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493876A (en) * 1966-06-28 1970-02-03 Us Army Stable coherent filter for sampled bandpass signals
US3602824A (en) * 1968-08-19 1971-08-31 Sanders Associates Inc Frequency changing apparatus and methods
JPS4861063A (it) * 1971-12-01 1973-08-27
US4095185A (en) * 1977-04-14 1978-06-13 Winters Paul N Electrical energy transmission network

Also Published As

Publication number Publication date
JPS6031368B2 (ja) 1985-07-22
GB2032213B (en) 1982-09-15
DE2933693C2 (de) 1984-07-26
JPS5528674A (en) 1980-02-29
IT7925011A0 (it) 1979-08-09
US4310803A (en) 1982-01-12
GB2032213A (en) 1980-04-30
CA1137573A (en) 1982-12-14
FR2434517A1 (fr) 1980-03-21
FR2434517B1 (it) 1984-02-03
DE2933693A1 (de) 1980-02-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940830