GB1022306A - Improvements in or relating to bandpass filters - Google Patents

Improvements in or relating to bandpass filters

Info

Publication number
GB1022306A
GB1022306A GB51137/63A GB5113763A GB1022306A GB 1022306 A GB1022306 A GB 1022306A GB 51137/63 A GB51137/63 A GB 51137/63A GB 5113763 A GB5113763 A GB 5113763A GB 1022306 A GB1022306 A GB 1022306A
Authority
GB
United Kingdom
Prior art keywords
band
capacitor
branch
signal
comparatively
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
Application number
GB51137/63A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1022306A publication Critical patent/GB1022306A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/4446—IF amplifier circuits specially adapted for B&W TV
    • 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
    • H03H7/06—Frequency selective two-port networks including resistors
    • 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
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175—Series LC in series path
    • 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
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758—Series LC in shunt or branch path
    • 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
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Filters And Equalizers (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
  • Television Receiver Circuits (AREA)
GB51137/63A 1963-01-02 1963-12-30 Improvements in or relating to bandpass filters Expired GB1022306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920307A FR1352223A (fr) 1963-01-02 1963-01-02 Filtre de bande à quatre circuits accordés, notamment pour télévision

Publications (1)

Publication Number Publication Date
GB1022306A true GB1022306A (en) 1966-03-09

Family

ID=8793947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51137/63A Expired GB1022306A (en) 1963-01-02 1963-12-30 Improvements in or relating to bandpass filters

Country Status (9)

Country Link
US (1) US3358246A (enrdf_load_stackoverflow)
AT (1) AT241556B (enrdf_load_stackoverflow)
CH (1) CH416864A (enrdf_load_stackoverflow)
ES (1) ES294961A3 (enrdf_load_stackoverflow)
FR (1) FR1352223A (enrdf_load_stackoverflow)
GB (1) GB1022306A (enrdf_load_stackoverflow)
NL (1) NL301922A (enrdf_load_stackoverflow)
OA (1) OA00791A (enrdf_load_stackoverflow)
SE (1) SE307995B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0470480A3 (en) * 1990-08-06 1992-10-14 Thomson Consumer Electronics, Inc. Fm trap for a television tuner permitting both tv and fm reception through the same tuner

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452303A (en) * 1965-07-20 1969-06-24 Warwick Electronics Inc Bandpass network having a high attenuation rejection characteristic
US3680011A (en) * 1970-08-03 1972-07-25 Stanford Research Inst Loss cancelling resonator and filters
US3778720A (en) * 1972-03-08 1973-12-11 Stewart Warner Corp Intermediate frequency amplifier circuit
US3906350A (en) * 1973-03-12 1975-09-16 Comark Ind Inc Nyquist slope filter useful for monitoring video modulation at transmitting station
JPS5515885B2 (enrdf_load_stackoverflow) * 1974-02-25 1980-04-26
US4376953A (en) * 1979-10-26 1983-03-15 Naimpally Saiprasad V Signal separation networks
AU539824B2 (en) * 1979-10-26 1984-10-18 Rca Corp. Intercarrier sound/video signal separator
US4283741A (en) * 1979-10-26 1981-08-11 Rca Corporation Signal separation networks
JP3101832U (ja) * 2003-11-21 2004-06-24 アルプス電気株式会社 中間周波回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707730A (en) * 1951-05-21 1955-05-03 Rca Corp Amplifier circuits for television picture signal channels
US3188566A (en) * 1962-10-08 1965-06-08 Collins Radio Co Intermodulation measurement system including resonant filter trap means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0470480A3 (en) * 1990-08-06 1992-10-14 Thomson Consumer Electronics, Inc. Fm trap for a television tuner permitting both tv and fm reception through the same tuner

Also Published As

Publication number Publication date
FR1352223A (fr) 1964-02-14
ES294961A3 (es) 1963-10-16
US3358246A (en) 1967-12-12
AT241556B (de) 1965-07-26
SE307995B (enrdf_load_stackoverflow) 1969-01-27
OA00791A (fr) 1967-11-15
NL301922A (enrdf_load_stackoverflow) 1965-10-11
CH416864A (de) 1966-07-15

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