IT1080967B - Circuito di filtro digitale - Google Patents

Circuito di filtro digitale

Info

Publication number
IT1080967B
IT1080967B IT25087/77A IT2508777A IT1080967B IT 1080967 B IT1080967 B IT 1080967B IT 25087/77 A IT25087/77 A IT 25087/77A IT 2508777 A IT2508777 A IT 2508777A IT 1080967 B IT1080967 B IT 1080967B
Authority
IT
Italy
Prior art keywords
filter circuit
digital filter
digital
circuit
filter
Prior art date
Application number
IT25087/77A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1080967B publication Critical patent/IT1080967B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters
    • H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Noise Elimination (AREA)
IT25087/77A 1976-06-30 1977-06-27 Circuito di filtro digitale IT1080967B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/701,195 US4034197A (en) 1976-06-30 1976-06-30 Digital filter circuit

Publications (1)

Publication Number Publication Date
IT1080967B true IT1080967B (it) 1985-05-16

Family

ID=24816418

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25087/77A IT1080967B (it) 1976-06-30 1977-06-27 Circuito di filtro digitale

Country Status (12)

Country Link
US (1) US4034197A (it)
JP (1) JPS533759A (it)
AU (1) AU509709B2 (it)
BE (1) BE856207A (it)
CA (1) CA1078463A (it)
DE (1) DE2728938A1 (it)
ES (1) ES460273A1 (it)
FR (1) FR2357113A1 (it)
GB (1) GB1529176A (it)
IT (1) IT1080967B (it)
NL (1) NL7707054A (it)
SE (1) SE415136B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149261A (en) * 1976-03-19 1979-04-10 Canon Kabushiki Kaisha Computer having circuitry for rounding-off insignificant digits
US4128890A (en) * 1977-06-29 1978-12-05 General Electric Company Integrated arithmetic unit and digital networks using the unit
US4215415A (en) * 1977-09-19 1980-07-29 Nippon Electric Company, Ltd. Recursive digital filter comprising a circuit responsive to first sum and feedback sign bits and second sum sign and integer bits for detecting overflow in the second sum
US4213187A (en) * 1978-12-14 1980-07-15 Bell Telephone Laboratories, Incorporated Digital filters with control of limit cycles
US4356559A (en) * 1980-08-01 1982-10-26 Bell Telephone Laboratories, Incorporated Logic arrangement for recursive digital filter
JPS58118883A (ja) * 1982-01-08 1983-07-15 Asahi Glass Co Ltd 高性能撥水撥油剤
US4589084A (en) * 1983-05-16 1986-05-13 Rca Corporation Apparatus for symmetrically truncating two's complement binary signals as for use with interleaved quadrature signals
JPH0625207B2 (ja) * 1985-06-19 1994-04-06 日本メクトロン株式会社 撥水撥油性共重合体の製造法
JPH0787337B2 (ja) * 1990-01-05 1995-09-20 ヤマハ株式会社 音響信号処理装置
US5479454A (en) * 1993-09-21 1995-12-26 Genesis Microchip Inc. Digital filter with improved numerical precision
US5365277A (en) * 1993-10-08 1994-11-15 Genesis Microchip Inc. Apparatus with reduction/magnification image size processing for producing low-pass filtered images
US7110482B2 (en) 2000-12-29 2006-09-19 Lockheed Martin Corporation Method and apparatus for tracking invalid signals through a digital system
EP2127896B1 (en) * 2007-03-20 2011-08-17 Asahi Kasei E-materials Corporation Method for producing photosensitive resin plate or relief printing plate having recessed and projected pattern, and plate surface treating liquid used in the production method
US7961125B2 (en) * 2008-10-23 2011-06-14 Microchip Technology Incorporated Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749895A (en) * 1971-10-06 1973-07-31 Bell Telephone Labor Inc Apparatus for suppressing limit cycles due to quantization in digital filters
US3906199A (en) * 1974-12-13 1975-09-16 Bell Telephone Labor Inc Digital filter circuit

Also Published As

Publication number Publication date
CA1078463A (en) 1980-05-27
SE7707255L (sv) 1977-12-31
JPS533759A (en) 1978-01-13
AU2646777A (en) 1979-01-04
SE415136B (sv) 1980-09-08
US4034197A (en) 1977-07-05
BE856207A (fr) 1977-10-17
NL7707054A (nl) 1978-01-03
ES460273A1 (es) 1978-10-01
FR2357113B1 (it) 1982-03-12
FR2357113A1 (fr) 1978-01-27
DE2728938A1 (de) 1978-01-05
GB1529176A (en) 1978-10-18
AU509709B2 (en) 1980-05-22

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