KR100266372B1 - 입력신호들 간의 시간차측정회로 - Google Patents
입력신호들 간의 시간차측정회로 Download PDFInfo
- Publication number
- KR100266372B1 KR100266372B1 KR1019970075803A KR19970075803A KR100266372B1 KR 100266372 B1 KR100266372 B1 KR 100266372B1 KR 1019970075803 A KR1019970075803 A KR 1019970075803A KR 19970075803 A KR19970075803 A KR 19970075803A KR 100266372 B1 KR100266372 B1 KR 100266372B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- circuit
- time difference
- flip
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims abstract description 36
- 230000001960 triggered effect Effects 0.000 claims description 8
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- 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
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
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- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/08—Output circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
Claims (2)
- 아날로그신호를 디지탈신호로 변환시키는 디지탈 오실로스코프의 무작위 샘플링을 위하여, 소정시간차를 두고 입력되는 입력신호 및 샘플링신호 사이의 상기 시간차를 측정하기 위한 장치로서, 입력신호와 최초 샘플링신호 간의 시간차를 D플립플롭을 이용하여 샘플링신호 주기 또는 그 이상으로 확장시키는 시간지연회로와; 상기 시간지연회로에서 확장된 게이트신호를 적분하여 수십 마이크로 시간대의 스위프 게이트신호를 발생시키는 적분회로와; 상기 적분회로의 출력을 기준전압과 비교하여 상기 전분회로의 출력이 상기 기준전압 이상임을 알리는 신호를 출력하는 비교회로와; 상기 비교회로로부터 출력되는 신호의 출력시간을 계수하여 상기 입력신호와 샘플링신호 간의 시간차 정보로서 출력하는 카운터를 구비하는 입력신호들간의 시간차측정회로.
- 제1항에 있어서 : 상기 시간지연회로는, 클럭단자로 상기 입력신호가 입력되고 입력단자에 전원이 인가되는 제1플립플롭과; 클럭단자로 상기 최초 샘플링신호가 입력되고 입력단자에 전원이 인가되며, 상기 제1D플립플롭의 출력에 따라 선택적으로 리셋되는 제2D플립플롭과; 클럭단자로 상기 최초 샘플링신호가 입력되고 입력단자에 전원이 인가되며, 상기 제2D플립플롭의 출력에 따라 선택적으로 리셋되는 제3D플립플롭과; 상기 제3D플립플롭의 반전출력단자의 출력과 상기 제1D플립플롭의 출력단자의 출력을 조합하여 트리거되는 제1슈미트 트리거 낸드 게이트와; 상기 제1슈미트 트리거 낸드 게이트의 출력을 반전시켜 트리거되는 제2슈미트 드리거 낸드 게이트를 구비하는 입력신호들간의 시간차측정회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970075803A KR100266372B1 (ko) | 1997-12-29 | 1997-12-29 | 입력신호들 간의 시간차측정회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970075803A KR100266372B1 (ko) | 1997-12-29 | 1997-12-29 | 입력신호들 간의 시간차측정회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990055846A KR19990055846A (ko) | 1999-07-15 |
KR100266372B1 true KR100266372B1 (ko) | 2000-09-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970075803A KR100266372B1 (ko) | 1997-12-29 | 1997-12-29 | 입력신호들 간의 시간차측정회로 |
Country Status (1)
Country | Link |
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KR (1) | KR100266372B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101565098B1 (ko) * | 2014-04-30 | 2015-11-02 | 한국항공우주연구원 | 신호 입력시간 측정 장치 |
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1997
- 1997-12-29 KR KR1019970075803A patent/KR100266372B1/ko not_active IP Right Cessation
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Publication number | Publication date |
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KR19990055846A (ko) | 1999-07-15 |
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