JPS5521624A - Read-in circuit for fluctuating signal - Google Patents

Read-in circuit for fluctuating signal

Info

Publication number
JPS5521624A
JPS5521624A JP9438278A JP9438278A JPS5521624A JP S5521624 A JPS5521624 A JP S5521624A JP 9438278 A JP9438278 A JP 9438278A JP 9438278 A JP9438278 A JP 9438278A JP S5521624 A JPS5521624 A JP S5521624A
Authority
JP
Japan
Prior art keywords
output
fed
comparator
input
signal
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
JP9438278A
Other languages
Japanese (ja)
Other versions
JPS6019855B2 (en
Inventor
Toru Nakahara
Shunichi Yoshida
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.)
TOUSEI ENG SERVICE KK
TOUSEI ENGINEERING SERVICE KK
Original Assignee
TOUSEI ENG SERVICE KK
TOUSEI ENGINEERING SERVICE KK
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 TOUSEI ENG SERVICE KK, TOUSEI ENGINEERING SERVICE KK filed Critical TOUSEI ENG SERVICE KK
Priority to JP53094382A priority Critical patent/JPS6019855B2/en
Publication of JPS5521624A publication Critical patent/JPS5521624A/en
Publication of JPS6019855B2 publication Critical patent/JPS6019855B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits
    • H03K21/023—Input circuits comprising pulse shaping or differentiating circuits

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

PURPOSE:To accurately count the number of times of fluctuation of signal, by feeding the input signal to the integration circuit with reversed conduction and by the level comparison of the difference between the output of the integration circuit and the input signal. CONSTITUTION:The fluctuated signal input is fed to (-) of the differential amplifier 1 and also to the selection circuits 2 and 3. The output of the differential amplifier 1 is fed to (-) of the comparator 4 and the output is fed to the two drivers 6 and 7. When the output of the comparator 4 is (+), the driver 7 is ON and the driver 6 is OFF, and when the output of the comparator 4 is (-), 7 is OFF and 6 is ON. In the selection circuits 2 and 3, the diodes 8 and 9 are inserted in reverse connection for conduction, and they are ON when the drivers are ON. The output of the selection circuits is fed to the integration circuit 10 as the (+) input of the differential amplifier 1. As the (+) input of the comparator 4, the comparator set value added with the hysteresis of output is fed.
JP53094382A 1978-08-02 1978-08-02 Counting circuit for undulating input signals Expired JPS6019855B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53094382A JPS6019855B2 (en) 1978-08-02 1978-08-02 Counting circuit for undulating input signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53094382A JPS6019855B2 (en) 1978-08-02 1978-08-02 Counting circuit for undulating input signals

Publications (2)

Publication Number Publication Date
JPS5521624A true JPS5521624A (en) 1980-02-15
JPS6019855B2 JPS6019855B2 (en) 1985-05-18

Family

ID=14108748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53094382A Expired JPS6019855B2 (en) 1978-08-02 1978-08-02 Counting circuit for undulating input signals

Country Status (1)

Country Link
JP (1) JPS6019855B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687065A2 (en) * 1994-06-06 1995-12-13 Ramtron International Corporation Noise and glitch suppressing filter with feedback

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687065A2 (en) * 1994-06-06 1995-12-13 Ramtron International Corporation Noise and glitch suppressing filter with feedback
EP0687065A3 (en) * 1994-06-06 1996-12-11 Ramtron Int Corp Noise and glitch suppressing filter with feedback

Also Published As

Publication number Publication date
JPS6019855B2 (en) 1985-05-18

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