JPS56107167A - Peak voltage detection device - Google Patents

Peak voltage detection device

Info

Publication number
JPS56107167A
JPS56107167A JP944680A JP944680A JPS56107167A JP S56107167 A JPS56107167 A JP S56107167A JP 944680 A JP944680 A JP 944680A JP 944680 A JP944680 A JP 944680A JP S56107167 A JPS56107167 A JP S56107167A
Authority
JP
Japan
Prior art keywords
voltage
signal
output
held
detection device
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.)
Pending
Application number
JP944680A
Other languages
Japanese (ja)
Inventor
Kazuo Kato
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.)
Advantest Corp
Original Assignee
Advantest Corp
Takeda Riken Industries Co 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 Advantest Corp, Takeda Riken Industries Co Ltd filed Critical Advantest Corp
Priority to JP944680A priority Critical patent/JPS56107167A/en
Publication of JPS56107167A publication Critical patent/JPS56107167A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE:To detect a peak voltage accurately by cutting off a reset signal according to the results obtained through comparison of an input signal of irregular waveform with an output waveform sampled. CONSTITUTION:If a reset signal R is applied, a switch s1 is closed and an input voltage Vi is accumulated into a condenser C1. At the same time, a voltage when the signal R has disappeared is held and the output Vm of an amplifier A2 changes in compliance with the accumulated voltage of C1. If the voltage Vi is higher than Vm, the voltage of C1 also soars and the s2 is closed at a sampling signal S and the Vm is held by C2. If the signal S disappeared, the voltage of C2 becomes an output voltage Vo on an arithmetic amplifier 3. After this process, the voltages Vo and Vi are compared. If the Vi is higher than Vo, a comparison output is applied to FF-F and its output causes a gate G to shut off the signal R. Simultaneously the Vm reaches a peak value and is held by C2.
JP944680A 1980-01-31 1980-01-31 Peak voltage detection device Pending JPS56107167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP944680A JPS56107167A (en) 1980-01-31 1980-01-31 Peak voltage detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP944680A JPS56107167A (en) 1980-01-31 1980-01-31 Peak voltage detection device

Publications (1)

Publication Number Publication Date
JPS56107167A true JPS56107167A (en) 1981-08-25

Family

ID=11720513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP944680A Pending JPS56107167A (en) 1980-01-31 1980-01-31 Peak voltage detection device

Country Status (1)

Country Link
JP (1) JPS56107167A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305166A (en) * 1991-03-18 1992-10-28 Mitsubishi Electric Corp Peak hold cidrcuit
CN102735910A (en) * 2011-04-08 2012-10-17 中山大学 Maximum peak voltage detection circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479079A (en) * 1977-12-06 1979-06-23 Intaanitsukusu Kk Peak meter circuit for audio appliance etc*

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479079A (en) * 1977-12-06 1979-06-23 Intaanitsukusu Kk Peak meter circuit for audio appliance etc*

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305166A (en) * 1991-03-18 1992-10-28 Mitsubishi Electric Corp Peak hold cidrcuit
CN102735910A (en) * 2011-04-08 2012-10-17 中山大学 Maximum peak voltage detection circuit
CN102735910B (en) * 2011-04-08 2014-10-29 中山大学 Maximum peak voltage detection circuit

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