KR920704303A - Sample and Hold Circuit - Google Patents

Sample and Hold Circuit

Info

Publication number
KR920704303A
KR920704303A KR1019920700012A KR920700012A KR920704303A KR 920704303 A KR920704303 A KR 920704303A KR 1019920700012 A KR1019920700012 A KR 1019920700012A KR 920700012 A KR920700012 A KR 920700012A KR 920704303 A KR920704303 A KR 920704303A
Authority
KR
South Korea
Prior art keywords
controllable
input
output
controllable switches
hold circuit
Prior art date
Application number
KR1019920700012A
Other languages
Korean (ko)
Inventor
프리트헬룸 쮸커
Original Assignee
로베르트 아인젤
도이체 톰손-브란트 게엠베하
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 로베르트 아인젤, 도이체 톰손-브란트 게엠베하 filed Critical 로베르트 아인젤
Publication of KR920704303A publication Critical patent/KR920704303A/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C27/00Electric analogue stores, e.g. for storing instantaneous values
    • G11C27/02Sample-and-hold arrangements
    • G11C27/024Sample-and-hold arrangements using a capacitive memory element
    • G11C27/026Sample-and-hold arrangements using a capacitive memory element associated with an amplifier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C27/00Electric analogue stores, e.g. for storing instantaneous values
    • G11C27/02Sample-and-hold arrangements

Landscapes

  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Electronic Switches (AREA)

Abstract

내용 없음.No content.

Description

샘플 및 홀드회로Sample and Hold Circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명의 예를 나타내는 회로도.2 is a circuit diagram showing an example of the present invention.

Claims (5)

제1 및 제2의 연산증폭기(V1,V2)를 가지며, 각각의 출력의 반전 입력으로 궤환되고, 제1의 연산증폭기(V1)의 입력에 입력전압(UE)이 제공되는 샘플 및 홀드회로에 있어서, 상기 그 연산증폭기(V1,V2) 사이에 2개의 커패시터(C1,C2)가 제공되고, 하나의 커패시터는 제1의 연산증폭기(V1)의 출력에, 다른 커패시터는 제2의 연산증폭기(V2)의 입력에 교대로 연결되는 것을 특징으로 하는 샘플 및 홀드회로.Samples having first and second operational amplifiers V 1 and V 2 , fed back to inverting inputs of respective outputs, and provided with an input voltage U E at the input of the first operational amplifier V 1 . And in the hold circuit, two capacitors (C 1 , C 2 ) are provided between the operational amplifiers (V 1 , V 2 ), and one capacitor is provided at the output of the first operational amplifier (V 1 ), And the other capacitor is alternately connected to the input of the second operational amplifier (V 2 ). 제1항에 있어서, 제1의 연산증폭기(V1)의 출력은 제1 및 제2의 제어 가능한 스위치(S1,S2)의 입력에 연결되고, 제1의 제어 가능한 스위치(S1)의 출력은 제3의 제어 가능한 스위치(S2)의 입력에 연결되고 커패시터(C1)를 거쳐 기준 전위에 연결되고 제2의 제어 가능한 스위치(S3)의 출력은 제4의 제어 가능한 스위치(S4)의 입력에 연결되고 커패시터(C2)를 거쳐 기준 전위에 연결되고, 제1 및 제4의 제어 가능한 스위치(S1,S4)는 제2 및 제3의 제어 가능한 스위치(S3,S2)의 쌍으로 교대로 개방 및 단락을 실행하는 것을 특징으로 하는 샘플 및 홀드회로.The output of the first operational amplifier (V 1 ) is connected to the inputs of the first and second controllable switches (S 1, S 2 ), and the first controllable switch (S 1 ). The output of is connected to the input of the third controllable switch S 2 and is connected to the reference potential via a capacitor C 1 and the output of the second controllable switch S 3 is the fourth controllable switch ( S 4 ) and to a reference potential via a capacitor C 2 , wherein the first and fourth controllable switches S 1, S 4 are second and third controllable switches S 3. And S 2 ) alternating open and short circuits. 제2항에 있어서, 제1 및 제4의 제어 가능한 스위치(S1,S4)의 상호 연결된 제어 입력은 제2 및 제3의 제어 가능한 스위치(S3,S2)의 상호 연결된 제어 입력에 대해 역으로 트리거되는 것을 특징으로 하는 샘플 및 홀드회로.The interconnected control inputs of the first and fourth controllable switches S 1, S 4 are connected to the interconnected control inputs of the second and third controllable switches S 3, S 2 . Sample and hold circuit, characterized in that triggered inversely. 제2항 또는 제3항에 있어서, 제1 및 제4의 제어 가능한 스위치(S1,S4)의 상호 연결된 제어입력은 주파수 분할기의 비반전 출력에 연결되고, 제2 및 제3의 제어 가능한 스위치(S3,S2)는 주파수 분할기의 반전 출력에 연결되는 것을 특징으로 하는 샘플 및 홀드회로.4. The control circuit according to claim 2 or 3, wherein the interconnected control inputs of the first and fourth controllable switches (S 1, S 4 ) are connected to the non-inverting outputs of the frequency divider and the second and third controllable. Sample and hold circuit, characterized in that the switch (S 3, S 2 ) is connected to the inverting output of the frequency divider. 제4항에 있어서, 제1 및 제4의 제어 가능한 스위치(S1,S4)의 제어 입력은 플립플롭(FF)의 Q출력에 연결되고 제2 및 제3의 제어 가능한 스위치(S3,S2)의 제어 입력은 플립플롭(FF)의 Q출력에 연결되고, 플립플롭(FF)의 입력에는 주사펄스(P)가 제공되는 것을 특징으로 하는 샘플 및 홀드회로.5. The control input of claim 4, wherein the control inputs of the first and fourth controllable switches S 1, S 4 are connected to the Q outputs of the flip-flop FF and the second and third controllable switches S 3, The control input of S 2 ) is connected to the Q output of the flip-flop (FF), and the scan pulse (P) is provided to the input of the flip-flop (FF). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920700012A 1989-07-05 1990-06-13 Sample and Hold Circuit KR920704303A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3922068A DE3922068A1 (en) 1989-07-05 1989-07-05 SCAN AND HOLDING LINK
DEP3922068.0 1989-07-05
PCT/EP1990/000926 WO1991000600A1 (en) 1989-07-05 1990-06-13 Scanning and exciting element

Publications (1)

Publication Number Publication Date
KR920704303A true KR920704303A (en) 1992-12-19

Family

ID=6384333

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920700012A KR920704303A (en) 1989-07-05 1990-06-13 Sample and Hold Circuit

Country Status (10)

Country Link
EP (1) EP0480953A1 (en)
JP (1) JPH04506431A (en)
KR (1) KR920704303A (en)
CN (1) CN1019708B (en)
AU (1) AU5928190A (en)
DD (1) DD296570A5 (en)
DE (1) DE3922068A1 (en)
FI (1) FI920042A0 (en)
HU (1) HUT60563A (en)
WO (1) WO1991000600A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930004268B1 (en) * 1990-10-15 1993-05-22 금성일렉트론 주식회사 Broad band sample & hold circuit
US5340442A (en) * 1991-09-24 1994-08-23 Weyerhaeuser Company Evaluating furnish behavior
JP2006099850A (en) * 2004-09-29 2006-04-13 Nec Electronics Corp Sample-and-hold circuit, drive circuit and display device
CN103065686B (en) * 2006-03-21 2016-09-14 剑桥模拟技术有限公司 The skew of sampled-data circuits eliminates
CN100505105C (en) * 2006-12-07 2009-06-24 中国科学院半导体研究所 Sampling/retaining circuit device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701152A (en) * 1970-07-20 1972-10-24 Us Navy Bipolar sample and hold circuit
JPS5085265A (en) * 1973-11-28 1975-07-09
US4833445A (en) * 1985-06-07 1989-05-23 Sequence Incorporated Fiso sampling system

Also Published As

Publication number Publication date
WO1991000600A1 (en) 1991-01-10
DD296570A5 (en) 1991-12-05
AU5928190A (en) 1991-01-17
EP0480953A1 (en) 1992-04-22
FI920042A0 (en) 1992-01-03
CN1048623A (en) 1991-01-16
DE3922068A1 (en) 1991-01-17
JPH04506431A (en) 1992-11-05
HU905380D0 (en) 1992-03-30
CN1019708B (en) 1992-12-30
HUT60563A (en) 1992-09-28

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Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid