IT1057827B - Filtro sintcnizzabile di arresto di banda con attenuazionevariabile - Google Patents

Filtro sintcnizzabile di arresto di banda con attenuazionevariabile

Info

Publication number
IT1057827B
IT1057827B IT6775776A IT6775776A IT1057827B IT 1057827 B IT1057827 B IT 1057827B IT 6775776 A IT6775776 A IT 6775776A IT 6775776 A IT6775776 A IT 6775776A IT 1057827 B IT1057827 B IT 1057827B
Authority
IT
Italy
Prior art keywords
stop
synthnizable
variable attenuation
band
filter
Prior art date
Application number
IT6775776A
Other languages
English (en)
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1057827B publication Critical patent/IT1057827B/it

Links

Classifications

    • 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
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass 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
    • 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
    • H03H7/1766—Parallel LC in series path
IT6775776A 1975-04-04 1976-04-01 Filtro sintcnizzabile di arresto di banda con attenuazionevariabile IT1057827B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7504004A NL176728C (nl) 1975-04-04 1975-04-04 Afstembaar bandfilter met regelbare onderdrukking.

Publications (1)

Publication Number Publication Date
IT1057827B true IT1057827B (it) 1982-03-30

Family

ID=19823512

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6775776A IT1057827B (it) 1975-04-04 1976-04-01 Filtro sintcnizzabile di arresto di banda con attenuazionevariabile

Country Status (7)

Country Link
JP (1) JPS51123039A (it)
DE (1) DE2613990C2 (it)
ES (1) ES446630A1 (it)
FR (1) FR2306572A1 (it)
GB (1) GB1508714A (it)
IT (1) IT1057827B (it)
NL (1) NL176728C (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2682837B1 (fr) * 1991-10-17 1994-01-07 Electricite De France Circuit separateur-coupleur directif pour courants porteurs a frequence moyenne sur ligne electrique a basse tension.
GB2446188B (en) * 2007-02-01 2011-07-27 Blackstar Amplification Ltd Audio amplifier
KR102233949B1 (ko) * 2018-11-16 2021-03-31 주식회사 루트로닉 질관 치료장치용 에너지 전달 모듈, 이를 포함하는 질관 치료장치의 제어방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1932435A (en) * 1931-12-15 1933-10-31 Bell Telephone Labor Inc Transmission network
GB390926A (en) * 1932-02-16 1933-04-20 Carl Fichlander Improvements in electrical coupling arrangements for thermionic valve amplifiers
NL39540C (it) * 1933-01-30
DE691813C (de) * 1936-11-24 1940-06-06 Bernd Meininghaus Resonanzkurve
US2187340A (en) * 1937-07-24 1940-01-16 Telefunken Gmbh Means adapted to regulate the band width
FR857456A (fr) * 1938-08-12 1940-09-14 Schaub Appbau Gmbh Régulateur radio-électrique de largeur de bande de longueurs d'onde
DE938388C (de) * 1943-03-10 1956-01-26 Siemens Ag Hochfrequenzbandfilter aus drei gekoppelten Kreisen mit Bandbreiten-aenderung durch gegenseitige Verschiebung der Kopplungsspulen
NL65491C (it) * 1943-08-09 1900-01-01
US2694150A (en) * 1951-06-29 1954-11-09 Avco Mfg Corp Combined very-high-frequency and ultra-high-frequency tuner for television receivers
FR2075595A5 (it) * 1970-01-19 1971-10-08 Cselt Centro Studi Lab Telecom
DE2148038C3 (de) * 1971-09-25 1978-12-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bandsperrenfilter

Also Published As

Publication number Publication date
FR2306572A1 (fr) 1976-10-29
JPS566722B2 (it) 1981-02-13
NL176728B (nl) 1984-12-17
NL176728C (nl) 1985-05-17
JPS51123039A (en) 1976-10-27
DE2613990C2 (de) 1983-06-01
GB1508714A (en) 1978-04-26
ES446630A1 (es) 1977-06-16
DE2613990A1 (de) 1976-10-14
NL7504004A (nl) 1976-10-06
FR2306572B1 (it) 1982-05-07

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