FI863448A - A low frequency digital suction filter and a filter combination comprising such a suction filter - Google Patents

A low frequency digital suction filter and a filter combination comprising such a suction filter Download PDF

Info

Publication number
FI863448A
FI863448A FI863448A FI863448A FI863448A FI 863448 A FI863448 A FI 863448A FI 863448 A FI863448 A FI 863448A FI 863448 A FI863448 A FI 863448A FI 863448 A FI863448 A FI 863448A
Authority
FI
Finland
Prior art keywords
filter
suction filter
low frequency
combination
frequency digital
Prior art date
Application number
FI863448A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI863448A0 (en
FI91468B (en
FI91468C (en
Inventor
Nigel Paul Dyer
Original Assignee
Plessey Overseas
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 GB858521378A external-priority patent/GB8521378D0/en
Application filed by Plessey Overseas filed Critical Plessey Overseas
Publication of FI863448A0 publication Critical patent/FI863448A0/en
Publication of FI863448A publication Critical patent/FI863448A/en
Publication of FI91468B publication Critical patent/FI91468B/en
Application granted granted Critical
Publication of FI91468C publication Critical patent/FI91468C/en

Links

FI863448A 1985-08-28 1986-08-26 A low frequency digital suction filter and a filter combination comprising such a suction filter FI91468C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858521378A GB8521378D0 (en) 1985-08-28 1985-08-28 Digital notch filter
GB8522643A GB2182513B (en) 1985-08-28 1985-09-12 Low frequency digital notch filter

Publications (4)

Publication Number Publication Date
FI863448A0 FI863448A0 (en) 1986-08-26
FI863448A true FI863448A (en) 1987-03-01
FI91468B FI91468B (en) 1994-03-15
FI91468C FI91468C (en) 1994-06-27

Family

ID=26289707

Family Applications (1)

Application Number Title Priority Date Filing Date
FI863448A FI91468C (en) 1985-08-28 1986-08-26 A low frequency digital suction filter and a filter combination comprising such a suction filter

Country Status (5)

Country Link
JP (1) JPH0693599B2 (en)
CN (1) CN1009519B (en)
BG (1) BG46609A3 (en)
CA (1) CA1288483C (en)
FI (1) FI91468C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105659496A (en) 2014-03-13 2016-06-08 联发科技股份有限公司 Feedforward filter using shift filter
CN111480306B (en) * 2017-12-13 2023-06-30 瑞典爱立信有限公司 Method for estimating propagation delay difference of optical link and apparatus for the same

Also Published As

Publication number Publication date
JPS6251819A (en) 1987-03-06
JPH0693599B2 (en) 1994-11-16
FI863448A0 (en) 1986-08-26
BG46609A3 (en) 1990-01-15
CA1288483C (en) 1991-09-03
CN1009519B (en) 1990-09-05
CN86105367A (en) 1987-02-25
FI91468B (en) 1994-03-15
FI91468C (en) 1994-06-27

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Legal Events

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MM Patent lapsed
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Owner name: PLESSEY SEMICONDUCTORS LIMITED