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KR910008941A - Noise canceling amplifier circuit - Google Patents

Noise canceling amplifier circuit Download PDF

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Publication number
KR910008941A
KR910008941A KR1019890015367A KR890015367A KR910008941A KR 910008941 A KR910008941 A KR 910008941A KR 1019890015367 A KR1019890015367 A KR 1019890015367A KR 890015367 A KR890015367 A KR 890015367A KR 910008941 A KR910008941 A KR 910008941A
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KR
South Korea
Prior art keywords
amplifier circuit
noise canceling
noise
canceling amplifier
signal
Prior art date
Application number
KR1019890015367A
Other languages
Korean (ko)
Other versions
KR0135172B1 (en
Inventor
임춘원
Original Assignee
문정환
금성일렉트론 주식회사
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.)
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Application filed by 문정환, 금성일렉트론 주식회사 filed Critical 문정환
Priority to KR1019890015367A priority Critical patent/KR0135172B1/en
Publication of KR910008941A publication Critical patent/KR910008941A/en
Application granted granted Critical
Publication of KR0135172B1 publication Critical patent/KR0135172B1/en

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  • Amplifiers (AREA)
  • Filters That Use Time-Delay Elements (AREA)

Abstract

내용 없음No content

Description

잡음 제거 증폭기 회로Noise canceling amplifier circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 회로도,1 is a circuit diagram of the present invention,

제2도는 제1도에 따른 타이밍챠트.2 is a timing chart according to FIG.

Claims (3)

하나의 연산증폭기(OP)와 콘덴서(C1) (C2) 그리고 콘트롤 신호(Φ1-Φ4)가 입력되는 전달게이트(T1-T4)로 구성되어 잡음을 제거할 수 있음을 특징으로 하는 잡음제거 증폭기 회로.It is composed of one operational amplifier (OP), condenser (C 1 ) (C 2 ) and the transfer gate (T 1 -T 4 ) to which the control signal (Φ 1 -Φ 4 ) is input, which can eliminate noise. Noise canceling amplifier circuit. 제1항에 있어서, 입력신호의 크기가 작을경우 콘트롤 신호(Φ1-Φ4)에 의한 반복적인 충전 펌핑동작에 의해 출력(V0)단에 충분한 크기에 신호를 출력시킬 수 있음을 특징으로 하는 잡음 제거 증폭기 회로.The method of claim 1, wherein when the size of the input signal is small, the signal can be output to a sufficient size at the output V 0 by a repetitive charge pumping operation by the control signals Φ 1- Φ 4 . Noise cancellation amplifier circuit. 제1항에 있어서, 콘덴서(C1)(C2)의 용량비를 조정하여 이득을 얻을 수 있음을 특징으로 하는 잡음 제거 증폭기 회로.The noise canceling amplifier circuit according to claim 1, wherein a gain can be obtained by adjusting a capacitance ratio of the capacitors (C 1 ) (C 2 ). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890015367A 1989-10-25 1989-10-25 Noise cancelling amplifying circuit KR0135172B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890015367A KR0135172B1 (en) 1989-10-25 1989-10-25 Noise cancelling amplifying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890015367A KR0135172B1 (en) 1989-10-25 1989-10-25 Noise cancelling amplifying circuit

Publications (2)

Publication Number Publication Date
KR910008941A true KR910008941A (en) 1991-05-31
KR0135172B1 KR0135172B1 (en) 1998-05-15

Family

ID=19291010

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015367A KR0135172B1 (en) 1989-10-25 1989-10-25 Noise cancelling amplifying circuit

Country Status (1)

Country Link
KR (1) KR0135172B1 (en)

Also Published As

Publication number Publication date
KR0135172B1 (en) 1998-05-15

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