JPS57204624A - Signal voltage dividing circuit - Google Patents

Signal voltage dividing circuit

Info

Publication number
JPS57204624A
JPS57204624A JP8967581A JP8967581A JPS57204624A JP S57204624 A JPS57204624 A JP S57204624A JP 8967581 A JP8967581 A JP 8967581A JP 8967581 A JP8967581 A JP 8967581A JP S57204624 A JPS57204624 A JP S57204624A
Authority
JP
Japan
Prior art keywords
switches
contacts
switch
dividing circuit
terminal
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
JP8967581A
Other languages
Japanese (ja)
Other versions
JPS6358490B2 (en
Inventor
Isao Fukushima
Kazumi Kuwabara
Keiichi Itoigawa
Yasunori Kobori
Hideo Nishijima
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.)
Hitachi Microcomputer System Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Microcomputer Engineering 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 Hitachi Ltd, Hitachi Microcomputer Engineering Ltd filed Critical Hitachi Ltd
Priority to JP8967581A priority Critical patent/JPS57204624A/en
Priority to EP82103894A priority patent/EP0065219B1/en
Priority to DE8282103894T priority patent/DE3277105D1/en
Priority to US06/375,585 priority patent/US4460953A/en
Publication of JPS57204624A publication Critical patent/JPS57204624A/en
Publication of JPS6358490B2 publication Critical patent/JPS6358490B2/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)
  • Attenuators (AREA)

Abstract

PURPOSE:To obtain a signal voltage dividing circuit having high accuracy, by connecting the 1st and 2nd switches which are formed by combining a switch having the 1st and 2nd contacts and the capacitance and extracting the voltage of the joint by holding the sample. CONSTITUTION:The other end of each of the capacitances 8 and 15 having an earthed end respectively is switched to the 1st and 2nd contact 18 or 19 and 20 or 21 by means of the switches 7 and 14. The contact 18 is used for a signal input, and the contact 21 is earthed. At the same time, a switch 25 is connected to the joint between the contacts 19 and 20. The switching between the contacts 26 and 27 is controlled by a clock signal 9 so that the switch 25 is connected to a terminal 14 when the switches 7 and 14 are connected to the contacts 19 and 20, respectively. Then the voltage of the terminal 14 is sampled by the switch 25 and held at a holding capacitance 17 to reduce the effect to the signal emerging at a terminal 28 although the stress capacitances 22 and 23 of the switches 7 and 14 exist.
JP8967581A 1981-05-08 1981-06-12 Signal voltage dividing circuit Granted JPS57204624A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8967581A JPS57204624A (en) 1981-06-12 1981-06-12 Signal voltage dividing circuit
EP82103894A EP0065219B1 (en) 1981-05-08 1982-05-05 Signal voltage dividing circuit
DE8282103894T DE3277105D1 (en) 1981-05-08 1982-05-05 Signal voltage dividing circuit
US06/375,585 US4460953A (en) 1981-05-08 1982-05-06 Signal voltage dividing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8967581A JPS57204624A (en) 1981-06-12 1981-06-12 Signal voltage dividing circuit

Publications (2)

Publication Number Publication Date
JPS57204624A true JPS57204624A (en) 1982-12-15
JPS6358490B2 JPS6358490B2 (en) 1988-11-16

Family

ID=13977320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8967581A Granted JPS57204624A (en) 1981-05-08 1981-06-12 Signal voltage dividing circuit

Country Status (1)

Country Link
JP (1) JPS57204624A (en)

Also Published As

Publication number Publication date
JPS6358490B2 (en) 1988-11-16

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