JPS5610207A - Hysteresis level measuring circuit - Google Patents

Hysteresis level measuring circuit

Info

Publication number
JPS5610207A
JPS5610207A JP8626879A JP8626879A JPS5610207A JP S5610207 A JPS5610207 A JP S5610207A JP 8626879 A JP8626879 A JP 8626879A JP 8626879 A JP8626879 A JP 8626879A JP S5610207 A JPS5610207 A JP S5610207A
Authority
JP
Japan
Prior art keywords
output
circuit
measuring circuit
hysteresis
level measuring
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
JP8626879A
Other languages
Japanese (ja)
Other versions
JPS6150243B2 (en
Inventor
Masaki Kinoshita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8626879A priority Critical patent/JPS5610207A/en
Publication of JPS5610207A publication Critical patent/JPS5610207A/en
Publication of JPS6150243B2 publication Critical patent/JPS6150243B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Magnetic Variables (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

PURPOSE: To simplify a measuring circuit and also to stabilize measurement by measuring a hysteresis input level through conversion into a frequency of oscillation.
CONSTITUTION: According to an output state of a device 7 which is an object to be measured, an arrangement is such that a sink type constant current source 11 or a source type constant current source 12 is connected to a time constant circuit 9 through an output switching circuit. A voltage value of the time constant circuit 9 works as output of a buffer supply 8 and is supplied to the device 7. Where voltage of the buffer supply 8 reaches a given level, an output of the device 7 inverts, and the output switching circuit 10 is changed again. A repeat of the operation is counted on a frequency counter 13 to obtain a value of hysteresis.
COPYRIGHT: (C)1981,JPO&Japio
JP8626879A 1979-07-06 1979-07-06 Hysteresis level measuring circuit Granted JPS5610207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8626879A JPS5610207A (en) 1979-07-06 1979-07-06 Hysteresis level measuring circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8626879A JPS5610207A (en) 1979-07-06 1979-07-06 Hysteresis level measuring circuit

Publications (2)

Publication Number Publication Date
JPS5610207A true JPS5610207A (en) 1981-02-02
JPS6150243B2 JPS6150243B2 (en) 1986-11-04

Family

ID=13882064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8626879A Granted JPS5610207A (en) 1979-07-06 1979-07-06 Hysteresis level measuring circuit

Country Status (1)

Country Link
JP (1) JPS5610207A (en)

Also Published As

Publication number Publication date
JPS6150243B2 (en) 1986-11-04

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