GB1389126A - Bandpass filter - Google Patents

Bandpass filter

Info

Publication number
GB1389126A
GB1389126A GB3923072A GB3923072A GB1389126A GB 1389126 A GB1389126 A GB 1389126A GB 3923072 A GB3923072 A GB 3923072A GB 3923072 A GB3923072 A GB 3923072A GB 1389126 A GB1389126 A GB 1389126A
Authority
GB
United Kingdom
Prior art keywords
coupling
filter
sections
conductors
magnetic
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
GB3923072A
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
Priority claimed from DE19712142748 external-priority patent/DE2142748C3/de
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1389126A publication Critical patent/GB1389126A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
    • H01P1/218—Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
GB3923072A 1971-08-26 1972-08-23 Bandpass filter Expired GB1389126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712142748 DE2142748C3 (de) 1971-08-26 Miniaturisiertes YIG-BandpaBfilter mit Dämpfungspolen

Publications (1)

Publication Number Publication Date
GB1389126A true GB1389126A (en) 1975-04-03

Family

ID=5817838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3923072A Expired GB1389126A (en) 1971-08-26 1972-08-23 Bandpass filter

Country Status (4)

Country Link
US (1) US3801936A (enrdf_load_stackoverflow)
JP (1) JPS5340062B2 (enrdf_load_stackoverflow)
FR (1) FR2150454B1 (enrdf_load_stackoverflow)
GB (1) GB1389126A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7608560A (nl) * 1976-08-02 1978-02-06 Philips Nv Werkwijze voor het vervaardigen van een microgolf filter, welke is voorzien van een lichaam van gyromagnetisch materiaal en een bron van een voorpolarizerend magneetveld, waarvan de resonantie frequentie een vooraf bepaalde functie van de temperatuur is.
US4334201A (en) * 1978-09-21 1982-06-08 Tektronix, Inc. YIG Bandpass filter interconnected by means of longitudinally split coaxial transmission lines
US4465974A (en) * 1980-03-03 1984-08-14 Raytheon Company Apparatus for measuring magnetic field characteristics of magnetic materials
JPS6158301A (ja) * 1984-08-30 1986-03-25 Sony Corp 磁気装置
US5086506A (en) * 1987-08-14 1992-02-04 General Electric Company Radio trunking fault detection system with power output monitoring and on-air monitoring
US4988959A (en) * 1989-10-31 1991-01-29 Avantek, Inc. YIG tuned oscillator using composite feedback
CN114938211B (zh) * 2022-07-25 2022-12-02 西南应用磁学研究所(中国电子科技集团公司第九研究所) 一种驱动电路及由其组成的小型化旋磁滤波器组件
CN116073098B (zh) * 2023-03-03 2023-08-08 成都威频科技有限公司 一种超宽带可调带通滤波器
CN115939708B (zh) * 2023-03-10 2023-06-02 成都威频科技有限公司 一种上下耦合宽带宽可调带通滤波器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368169A (en) * 1964-05-08 1968-02-06 Stanford Research Inst Tunable bandpass filter
US3400343A (en) * 1965-02-23 1968-09-03 Physical Electronics Lab Tunable bandpass filter
US3435385A (en) * 1966-03-04 1969-03-25 Loral Corp Electronically tunable yig filter having an electronically variable bandwidth

Also Published As

Publication number Publication date
DE2142748A1 (de) 1973-03-08
US3801936A (en) 1974-04-02
FR2150454A1 (enrdf_load_stackoverflow) 1973-04-06
JPS5340062B2 (enrdf_load_stackoverflow) 1978-10-25
FR2150454B1 (enrdf_load_stackoverflow) 1978-10-27
JPS4831037A (enrdf_load_stackoverflow) 1973-04-24
DE2142748B2 (de) 1976-02-05

Similar Documents

Publication Publication Date Title
US2999988A (en) Resonant directional couplers
US3740675A (en) Yig filter having a single substrate with all transmission line means located on a common surface thereof
US2662217A (en) Multiple-neck filter
GB1389126A (en) Bandpass filter
US3113269A (en) Radio duplexing apparatus for use in a continuous wave radio system
GB1133032A (en) Broadband variable delay line
GB1237617A (en) Notch filter
GB850406A (en) Mechanical frequency filters
US3101456A (en) Frequency selective gyromagnetic diplexer for coupling two lines, each having individual frequency, with a common line
GB1507147A (en) Multiplexing arrangements
US2599068A (en) Adjacent channel rejection by magneto-striction
GB1275308A (en) Tunable microstrip band pass filter
GB1136158A (en) Improvements in or relating to waveguide filters
GB1041375A (en) Mechanical frequency filter
US3048804A (en) Wave guiding system and method
CA2091089A1 (en) Filter
GB1190547A (en) Improvements in Electrical Waveguide Arrangements
GB800892A (en) Improvements in or relating to non-reciprocal high-frequency transmission systems
GB1356317A (en) Wave-guide couplers
SU1631631A1 (ru) Частотно-избирательное устройство на магнитостатических волнах
ES372376A1 (es) Un filtro pasa-banda acoplado magneticamente.
SU416795A1 (enrdf_load_stackoverflow)
GB1271441A (en) Improvements relating to band pass filters
JPS54148351A (en) Dielectric line type filter
GB1122742A (en) Improvements in or relating to apparatus for combining signals

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee