AU587829B2 – Improved high-Q RF filter with printed circuit board arrangement
– Google Patents
AU587829B2 – Improved high-Q RF filter with printed circuit board arrangement
– Google Patents
Improved high-Q RF filter with printed circuit board arrangement
Info
Publication number
AU587829B2
AU587829B2
AU57478/86A
AU5747886A
AU587829B2
AU 587829 B2
AU587829 B2
AU 587829B2
AU 57478/86 A
AU57478/86 A
AU 57478/86A
AU 5747886 A
AU5747886 A
AU 5747886A
AU 587829 B2
AU587829 B2
AU 587829B2
Authority
AU
Australia
Prior art keywords
filter
circuit board
printed circuit
improved high
board arrangement
Prior art date
1985-06-07
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.)
Ceased
Application number
AU57478/86A
Other versions
AU5747886A
(en
Inventor
Colin John May
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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.)
1985-06-07
Filing date
1986-05-15
Publication date
1989-08-31
1986-05-15
Application filed by Motorola Inc
filed
Critical
Motorola Inc
1986-12-11
Publication of AU5747886A
publication
Critical
patent/AU5747886A/en
1989-08-31
Application granted
granted
Critical
1989-08-31
Publication of AU587829B2
publication
Critical
patent/AU587829B2/en
2006-05-15
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
H01P7/00—Resonators of the waveguide type
H01P7/005—Helical resonators; Spiral resonators
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
H01P1/201—Filters for transverse electromagnetic waves
H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
H—ELECTRICITY
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
H05K1/00—Printed circuits
H05K1/02—Details
H05K1/0213—Electrical arrangements not otherwise provided for
H05K1/0237—High frequency adaptations
H—ELECTRICITY
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
H05K1/00—Printed circuits
H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
AU57478/86A
1985-06-07
1986-05-15
Improved high-Q RF filter with printed circuit board arrangement
Ceased
AU587829B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US742502
1985-06-07
US06/742,502
US4682131A
(en)
1985-06-07
1985-06-07
High-Q RF filter with printed circuit board mounting temperature compensated and impedance matched helical resonators
Publications (2)
Publication Number
Publication Date
AU5747886A
AU5747886A
(en)
1986-12-11
AU587829B2
true
AU587829B2
(en)
1989-08-31
Family
ID=24985085
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU57478/86A
Ceased
AU587829B2
(en)
1985-06-07
1986-05-15
Improved high-Q RF filter with printed circuit board arrangement
Country Status (2)
Country
Link
US
(1)
US4682131A
(en)
AU
(1)
AU587829B2
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU626688B2
(en)
*
1989-06-19
1992-08-06
Philips Electronics Australia Limited
A filter
Families Citing this family (21)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4682131A
(en)
*
1985-06-07
1987-07-21
Motorola Inc.
High-Q RF filter with printed circuit board mounting temperature compensated and impedance matched helical resonators
FI78198C
(en)
*
1987-11-20
1989-06-12
Lk Products Oy
Överföringsledningsresonator
FI80542C
(en)
*
1988-10-27
1990-06-11
Lk Products Oy
resonator
JPH0812961B2
(en)
*
1989-05-02
1996-02-07
株式会社村田製作所
Parallel multi-stage bandpass filter
US5032807A
(en)
*
1989-07-10
1991-07-16
General Instrument Corporation
Notch filter using helical transmission line and coaxial capacitor
US4970479A
(en)
*
1989-11-27
1990-11-13
Rockwell International Corporation
Multicoupler including frequency shift filters
FI84674C
(en)
*
1990-02-07
1991-12-27
Lk Products Oy
Helix resonator
FI87405C
(en)
*
1990-02-07
1992-12-28
Lk Products Oy
HOEGFREKVENSFILTER
GB2253532A
(en)
*
1991-03-04
1992-09-09
Motorola Israel Ltd
A resonator
FI91116C
(en)
*
1992-04-21
1994-05-10
Lk Products Oy
Helix resonator
FI95851C
(en)
*
1993-09-10
1996-03-25
Lk Products Oy
Connection for electrical frequency control of a transmission line resonator and an adjustable filter
FI110148B
(en)
*
1993-09-10
2002-11-29
Filtronic Lk Oy
Multi-resonator radio frequency filter
FI94914C
(en)
*
1993-12-23
1995-11-10
Lk Products Oy
Combed helix filter
FI95327C
(en)
*
1994-01-26
1996-01-10
Lk Products Oy
Adjustable filter
US5604472A
(en)
*
1995-12-01
1997-02-18
Illinois Superconductor Corporation
Resonator mounting mechanism
FI106583B
(en)
1996-10-25
2001-02-28
Adc Solitra Oy
resonator
US5889448A
(en)
*
1997-06-05
1999-03-30
Illinois Superconductor Corporation
Resonator mounting mechanism
US6031436A
(en)
*
1998-04-02
2000-02-29
Space Systems/Loral, Inc.
Single and dual mode helix loaded cavity filters
US6084487A
(en)
*
1998-11-27
2000-07-04
Hoffman; Mark Allan
Helical filter with a removable tap housing
US6816037B2
(en)
*
1998-11-27
2004-11-09
Mark Allan Hoffman
Helical filters and methods for specifying assembly thereof
US6064285A
(en)
*
1998-12-11
2000-05-16
Wavecom Electronics Inc
Printed circuit board helical resonator and filter apparatus
Citations (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4342969A
(en)
*
1980-10-06
1982-08-03
General Electric Company
Means for matching impedances between a helical resonator and a circuit connected thereto
US4459571A
(en)
*
1982-12-20
1984-07-10
Motorola, Inc.
Varactor-tuned helical resonator filter
US4682131A
(en)
*
1985-06-07
1987-07-21
Motorola Inc.
High-Q RF filter with printed circuit board mounting temperature compensated and impedance matched helical resonators
Family Cites Families (11)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3173111A
(en)
*
1961-05-24
1965-03-09
Heinz E Kallmann
Delay line
US3247475A
(en)
*
1963-09-06
1966-04-19
Motorola Inc
Helical resonator with variable capacitor having fixed plate which also functions as inductance
US3840828A
(en)
*
1973-11-08
1974-10-08
Bell Telephone Labor Inc
Temperature-stable dielectric resonator filters for stripline
US3936776A
(en)
*
1975-03-10
1976-02-03
Bell Telephone Laboratories, Incorporated
Interspersed double winding helical resonator with connections to cavity
US3970972A
(en)
*
1975-05-12
1976-07-20
Northern Electric Company Limited
Shock resistant, temperature compensated helical resonator
GB1602770A
(en)
*
1977-06-03
1981-11-18
Matsushita Electric Ind Co Ltd
Band pass filter
US4205286A
(en)
*
1978-02-27
1980-05-27
Motorola, Inc.
Temperature stabilized helical resonator
DE3275618D1
(en)
*
1981-04-08
1987-04-09
Matsushita Electric Ind Co Ltd
Band-pass filter having multilayered coil structures
US4361821A
(en)
*
1981-04-13
1982-11-30
General Electric Company
Capacitor coupling arrangement for UHF resonant structure
JPS5824201A
(en)
*
1981-08-06
1983-02-14
Fujitsu Ltd
Helical filter
US4477785A
(en)
*
1981-12-02
1984-10-16
Communications Satellite Corporation
Generalized dielectric resonator filter
1985
1985-06-07
US
US06/742,502
patent/US4682131A/en
not_active
Expired – Fee Related
1986
1986-05-15
AU
AU57478/86A
patent/AU587829B2/en
not_active
Ceased
Patent Citations (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4342969A
(en)
*
1980-10-06
1982-08-03
General Electric Company
Means for matching impedances between a helical resonator and a circuit connected thereto
US4459571A
(en)
*
1982-12-20
1984-07-10
Motorola, Inc.
Varactor-tuned helical resonator filter
US4682131A
(en)
*
1985-06-07
1987-07-21
Motorola Inc.
High-Q RF filter with printed circuit board mounting temperature compensated and impedance matched helical resonators
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU626688B2
(en)
*
1989-06-19
1992-08-06
Philips Electronics Australia Limited
A filter
Also Published As
Publication number
Publication date
AU5747886A
(en)
1986-12-11
US4682131A
(en)
1987-07-21
Similar Documents
Publication
Publication Date
Title
AU587829B2
(en)
1989-08-31
Improved high-Q RF filter with printed circuit board arrangement
EP0160418A3
(en)
1986-11-26
Printed circuit board
EP0249688A3
(en)
1988-05-04
Printed circuit board
GB8500874D0
(en)
1985-02-20
Printed circuit board
AU4920090A
(en)
1990-08-30
Printed circuit board
AU564420B2
(en)
1987-08-13
Printed circuit board
EP0160439A3
(en)
1986-12-03
Improved printed circuit board
GB8500906D0
(en)
1985-02-20
Printed circuit boards
GB2180102B
(en)
1989-08-23
Heat-miniaturizable printed circuit board
GB2183189B
(en)
1989-02-01
Printed circuit boards
AU8214887A
(en)
1988-06-16
Printed circuit board
AU578586B2
(en)
1988-10-27
Printed circuit board with integral dew sensor
GB8620789D0
(en)
1986-10-08
Printed circuit board
EP0268497A3
(en)
1989-02-08
Printed circuit board
AU2562688A
(en)
1989-02-23
Multilayered printed circuit board
AU1843683A
(en)
1984-03-22
Printed circuit board
AU571886B2
(en)
1988-04-28
Printed circuit board
AU1035492A
(en)
1992-03-12
A printed circuit board
GB8612929D0
(en)
1986-07-02
Testing printed circuit board
GB8703168D0
(en)
1987-03-18
Printed circuit board
GB8613377D0
(en)
1986-07-09
Printed circuit board connectors
GB8511861D0
(en)
1985-06-19
Printed circuit boards
GB8510622D0
(en)
1985-06-05
Printed circuit board
AU658315B2
(en)
1995-04-06
Printed circuit board
KR860003425Y1
(en)
1986-11-27
Printed circuit board
None