GB2280808B - A filter and a radio communications device comprising the same - Google Patents

A filter and a radio communications device comprising the same

Info

Publication number
GB2280808B
GB2280808B GB9316456A GB9316456A GB2280808B GB 2280808 B GB2280808 B GB 2280808B GB 9316456 A GB9316456 A GB 9316456A GB 9316456 A GB9316456 A GB 9316456A GB 2280808 B GB2280808 B GB 2280808B
Authority
GB
United Kingdom
Prior art keywords
filter
same
communications device
radio communications
radio
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 - Fee Related
Application number
GB9316456A
Other versions
GB2280808A (en
GB9316456D0 (en
Inventor
Matthias Koenig
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 Germany GmbH
Original Assignee
Motorola GmbH
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 Motorola GmbH filed Critical Motorola GmbH
Priority to GB9316456A priority Critical patent/GB2280808B/en
Publication of GB9316456D0 publication Critical patent/GB9316456D0/en
Publication of GB2280808A publication Critical patent/GB2280808A/en
Application granted granted Critical
Publication of GB2280808B publication Critical patent/GB2280808B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • 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
    • H03H7/01—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
    • H03H7/1791—Combined LC in shunt or branch path
GB9316456A 1993-08-07 1993-08-07 A filter and a radio communications device comprising the same Expired - Fee Related GB2280808B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9316456A GB2280808B (en) 1993-08-07 1993-08-07 A filter and a radio communications device comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9316456A GB2280808B (en) 1993-08-07 1993-08-07 A filter and a radio communications device comprising the same

Publications (3)

Publication Number Publication Date
GB9316456D0 GB9316456D0 (en) 1993-09-22
GB2280808A GB2280808A (en) 1995-02-08
GB2280808B true GB2280808B (en) 1997-06-11

Family

ID=10740154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9316456A Expired - Fee Related GB2280808B (en) 1993-08-07 1993-08-07 A filter and a radio communications device comprising the same

Country Status (1)

Country Link
GB (1) GB2280808B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE508506C2 (en) 1997-02-25 1998-10-12 Ericsson Telefon Ab L M Device and method of telecommunication
TWI568203B (en) * 2012-08-31 2017-01-21 Yong-Sheng Huang Harmonic Suppression Method of Radio Frequency Circuits
CN107911103B (en) * 2017-12-04 2020-12-18 中国电子科技集团公司第四十一研究所 1MHz-6GHz signal generating circuit and method adopting full frequency division

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099040A2 (en) * 1982-07-13 1984-01-25 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Filter with switchable bandwidth
GB2210749A (en) * 1987-10-07 1989-06-14 Blonder Tongue Lab Switching lowpass filter cut off frequencies to enable and disable selective passband operation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099040A2 (en) * 1982-07-13 1984-01-25 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Filter with switchable bandwidth
GB2210749A (en) * 1987-10-07 1989-06-14 Blonder Tongue Lab Switching lowpass filter cut off frequencies to enable and disable selective passband operation

Also Published As

Publication number Publication date
GB2280808A (en) 1995-02-08
GB9316456D0 (en) 1993-09-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010807