JPS5738020A - Programmable switched capacitor filter - Google Patents

Programmable switched capacitor filter

Info

Publication number
JPS5738020A
JPS5738020A JP11447880A JP11447880A JPS5738020A JP S5738020 A JPS5738020 A JP S5738020A JP 11447880 A JP11447880 A JP 11447880A JP 11447880 A JP11447880 A JP 11447880A JP S5738020 A JPS5738020 A JP S5738020A
Authority
JP
Japan
Prior art keywords
charge
capacitor
weight coefficient
transferred
switch
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.)
Granted
Application number
JP11447880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6243563B2 (enrdf_load_stackoverflow
Inventor
Seiji Kato
Norio Ueno
Mitsuo Tsunoishi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP11447880A priority Critical patent/JPS5738020A/ja
Priority to US06/292,275 priority patent/US4468749A/en
Priority to EP81303768A priority patent/EP0047098B1/en
Priority to DE8181303768T priority patent/DE3167708D1/de
Publication of JPS5738020A publication Critical patent/JPS5738020A/ja
Publication of JPS6243563B2 publication Critical patent/JPS6243563B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP11447880A 1980-08-20 1980-08-20 Programmable switched capacitor filter Granted JPS5738020A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11447880A JPS5738020A (en) 1980-08-20 1980-08-20 Programmable switched capacitor filter
US06/292,275 US4468749A (en) 1980-08-20 1981-08-12 Adjustable attenuator circuit
EP81303768A EP0047098B1 (en) 1980-08-20 1981-08-19 Adjustable attenuator circuit
DE8181303768T DE3167708D1 (en) 1980-08-20 1981-08-19 Adjustable attenuator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11447880A JPS5738020A (en) 1980-08-20 1980-08-20 Programmable switched capacitor filter

Publications (2)

Publication Number Publication Date
JPS5738020A true JPS5738020A (en) 1982-03-02
JPS6243563B2 JPS6243563B2 (enrdf_load_stackoverflow) 1987-09-16

Family

ID=14638737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11447880A Granted JPS5738020A (en) 1980-08-20 1980-08-20 Programmable switched capacitor filter

Country Status (1)

Country Link
JP (1) JPS5738020A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403263A1 (de) * 1983-03-25 1984-09-27 Hitachi, Ltd., Tokio/Tokyo Signaluebertragungsschaltung und unter verwendung dieser schaltung hergestelltes magnetbandgeraet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403263A1 (de) * 1983-03-25 1984-09-27 Hitachi, Ltd., Tokio/Tokyo Signaluebertragungsschaltung und unter verwendung dieser schaltung hergestelltes magnetbandgeraet

Also Published As

Publication number Publication date
JPS6243563B2 (enrdf_load_stackoverflow) 1987-09-16

Similar Documents

Publication Publication Date Title
EP0399738A3 (en) Analogue to digital converter
EP0286138A3 (en) Oversampling a/d converter comprising an additional capacitor switched in synchronism with switching of an input capacitor
JPS5442969A (en) Analog-digital converter
GB2019151A (en) Improvements in sampled analog filters
JPS5738020A (en) Programmable switched capacitor filter
JPS5640327A (en) D/a converting circuit and pcm coder using it
JPS5783926A (en) Digital to analog converter
JPS5748826A (en) Circuit for converting input pulse duty ratio into analog voltage
JPS57202126A (en) Digital-to-analog converter
JPS5744319A (en) Variable attenuator
JPS5625827A (en) Coding unit
JPS5484948A (en) Output circut for charge transfer element
JPS5625825A (en) Analog-digital conversion circuit
JPS54161874A (en) Pulse duration modulator circuit
JPS57192125A (en) Analog-to-digital converter
JPS54138362A (en) Analog-digital conversion unit
JPS54130867A (en) Analog-to-digital converter
JPS5434669A (en) Frequency discriminator
JPS55137715A (en) Switched capacitor filter
JPS5735409A (en) Filter using biquad circuit
JPS6437119A (en) Counter circuit
JPS57116581A (en) Voltage boosting circuit
JPS57160220A (en) Analog to digital converter
JPS56169420A (en) Pulse width converting circuit
JPS5734274A (en) Switched capacitor integrator