KR940012767A - Voltage switching circuit - Google Patents

Voltage switching circuit Download PDF

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Publication number
KR940012767A
KR940012767A KR1019920022471A KR920022471A KR940012767A KR 940012767 A KR940012767 A KR 940012767A KR 1019920022471 A KR1019920022471 A KR 1019920022471A KR 920022471 A KR920022471 A KR 920022471A KR 940012767 A KR940012767 A KR 940012767A
Authority
KR
South Korea
Prior art keywords
output
positive
switching circuit
voltage
vout
Prior art date
Application number
KR1019920022471A
Other languages
Korean (ko)
Inventor
김승윤
Original Assignee
정용문
삼성전자 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.)
Filing date
Publication date
Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019920022471A priority Critical patent/KR940012767A/en
Publication of KR940012767A publication Critical patent/KR940012767A/en

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Abstract

양,음 전압입력단(+Vin, -Vin)과 양, 음 출력단(+Vout, -Vout)을 가지며, 상기 양, 음을 선택 입력키 위한 제어신호를 발생하는 제어부(10)를 구비한 스위칭 회로에 있어서, 상기 제어부(10)의 양전압을 선택키 위한 제어신호를 완충하고, 상기 출력에 따라 스위칭되어 상기 양전압단(+Vin)은 입력을 출력단(+Vout)으로 전달하고 상기 제어부(10)의 음전압을 선택키 위한 제어신호를 완충하고 상기 출력에 따라 음전압 입력단 (-Vin)의 입력을 출력단(-Vout)으로 전달토록 되어 있다.A switching circuit having a positive and negative voltage input terminal (+ Vin, -Vin) and a positive and negative output terminal (+ Vout, -Vout) and a control unit 10 for generating a control signal for selecting the positive and negative input keys. In the above, the control signal for selecting the positive voltage of the control unit 10 is buffered and switched according to the output so that the positive voltage terminal (+ Vin) transmits an input to the output terminal (+ Vout) and the control unit 10 The control signal for selecting the negative voltage of the () is buffered and the input of the negative voltage input terminal (-Vin) is transmitted to the output terminal (-Vout) according to the output.

Description

전압 스위칭 회로Voltage switching circuit

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

제1도는 종래의 회로도.1 is a conventional circuit diagram.

제2도는 본 발명에 따른 회로도.2 is a circuit diagram according to the present invention.

제3도는 제1도의 제어부(10)의 구체 실시예 회로도.3 is a circuit diagram of a specific embodiment of the control unit 10 of FIG.

Claims (4)

전압 스위칭 회로에 양, 음 전압입력단(+Vin, -Vin)과 양, 음 출력단(+Vout, -Vout)을 가지며, 상기 양, 음을 선택 입력키 위한 제어신호를 발생하는 제어부(10)를 구비한 스위칭 회로에 있어서, 상기 제어부(10)의 양전압을 선택키 위한 제어신호를 완충하는 제1구동부와, 제1구동부의 출력에 따라 스위칭되어 상기 양전압단(+Vin)은 입력을 출력단(+Vout)으로 전달하기위한 양출력부와, 상기 제어부(10)의 음전압을 선택키 위한 제어신호를 완충하는 제2구동부와, 상기 제2구동부의 출력에 따라 음전압 입력단(-Vin)의 입력을 출력단 (-Vout)으로 전달하는 음출력부로 구성됨을 특징으로 하는 전압 스위칭 회로.The control unit 10 has a positive and negative voltage input terminal (+ Vin, -Vin) and a positive and negative output terminal (+ Vout, -Vout) in the voltage switching circuit, and generates a control signal for selecting the positive and negative input keys. In the switching circuit provided, the first driving unit for buffering the control signal for selecting the positive voltage of the control unit 10 and the switching in accordance with the output of the first driving unit, the positive voltage terminal (+ Vin) is the input terminal A positive output unit for transmitting to (+ Vout), a second driver for buffering a control signal for selecting a negative voltage of the controller 10, and a negative voltage input terminal (-Vin) in accordance with the output of the second driver Voltage switching circuit comprising a sound output unit for transmitting the input of the output terminal (-Vout). 제1항에 있어서, 제1구동부가 상기 제어부(10)의 출력단(A)을 저항(R2)을 통해 트랜지스터(Q1)의 베이스에 인가되도록 구성됨을 특징으로 하는 전압 스위칭 회로.2. The voltage switching circuit of claim 1, wherein the first driver is configured to apply the output terminal A of the controller to the base of the transistor Q1 through a resistor R2. 제1항에 있어서, 양출력부가 상기 제1구동부의 출력이 FET 트랜지스터(Q2)의 게이트에 인가되어 출력되도록 구성됨을 특징으로 하는 전압 스위칭 회로.2. The voltage switching circuit according to claim 1, wherein both output sections are configured such that an output of the first driver section is applied to a gate of a FET transistor (Q2). 제1항에 있어서, 제2구동부가 상기 제어부(10)의 출력단(A)으로 부터 제너다이오드(ZD1)를 연결함을 특징으로 하는 전압 스위칭 회로.2. The voltage switching circuit according to claim 1, wherein the second driver connects the zener diode (ZD1) from the output terminal (A) of the controller (10). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920022471A 1992-11-26 1992-11-26 Voltage switching circuit KR940012767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920022471A KR940012767A (en) 1992-11-26 1992-11-26 Voltage switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920022471A KR940012767A (en) 1992-11-26 1992-11-26 Voltage switching circuit

Publications (1)

Publication Number Publication Date
KR940012767A true KR940012767A (en) 1994-06-24

Family

ID=67211140

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920022471A KR940012767A (en) 1992-11-26 1992-11-26 Voltage switching circuit

Country Status (1)

Country Link
KR (1) KR940012767A (en)

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