KR940027615A - 신호전환용 스위치 - Google Patents

신호전환용 스위치 Download PDF

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Publication number
KR940027615A
KR940027615A KR1019940010065A KR19940010065A KR940027615A KR 940027615 A KR940027615 A KR 940027615A KR 1019940010065 A KR1019940010065 A KR 1019940010065A KR 19940010065 A KR19940010065 A KR 19940010065A KR 940027615 A KR940027615 A KR 940027615A
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South Korea
Prior art keywords
field effect
signal
effect transistor
signal input
transistor group
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KR1019940010065A
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English (en)
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KR100296991B1 (ko
Inventor
가즈마사 고하마
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오오가 노리오
소니 가부시끼가이샤
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/693—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching

Abstract

본 발명은 고출력의 고주파신호에 대응할 수 있고, 또 소망의 삽입손실이나 아이솔레이션 특성을 가지는 신호전환용 스위치를 제공하는데 있다.
그 구성은 신호전환용 스위치는 신호입력부(IN), 신호출력부(OUT) 및 신호입출력부(ID)를 가지며 신호 입력부(IN) 및 신호입출력부(IO)에 접속된 FET군(1), 신호입력부(IN)에 접속되고, 또 접지된 FET군(2), 신호출력부(OUT) 및 신호입출력부(IO)에 접속된 FET군(3), 신호출력부(OUT)에 접속되고 또한 접지된 FET군(4)으로 이루고, FET군(1)의 FET는 신호입력부(IN)로 부터의 입력신호의 최대전류 진폭값보다도 소스·드레인 포화전류의 값이 크게되는 게이트폭을 가지며, FET군(2) 및 FET군(3)을 구성하는 FET의 내전압으로 신호입력부(IN)로 부터 입력신호의 최대전압 진폭값을 제한값을 절상한 수의 단수로 FET군(2) 및 FET군(3)이 구성되어 있다.

Description

신호전환용 스위치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 신호전환용 스위치의 개념도이다. 제 2 도는 본 발명의 신호전환용 스위치가 송신상태의 경우 신호전환용 스위치의 등가회로이다. 제 3 도는 본 발명의 신호전화용 스위치의 구체예를 나타내는 도면이다.

Claims (3)

  1. 신호입력부, 신호출력부 및 신호입출력부를 가지며 4개의 전계효과 트랜지스터군으로 이루는 신호전환용 스위치 있어서, 제 1 전계효과 트랜지스터군의 일단은 신호입력부에 접속되고 다른단은 신호입출력부에 접속되고, 제 2 전계효과 트랜지스터군의 일단은 신호입력부에 접속되고 다른단은 접지되고, 제 3 전계효과 트랜지스터군의 일단은 신호출력부에 접속되고 다른단은 신호입출력부에 접속되고, 제 4 전계효과 트랜지스터군의 일단은 신호출력부에 접속되고 다른단은 접지되어 있고, 제 1 전계효과 트랜지스터군을 구성하는 전계효과 트랜지스터는 신호입력부에 입력되는 신호의 최대전류 전폭값보다도 소스·드레인 포화전류의 값이 크게되는 게이트폭을 가지며, 제 2 전계효과 트랜지스터군을 구성하는 전계효과 트랜지스터의 내전압으로 신호입력부에서 입력되는 입력신호의 최대전압 전폭값을 제한값을 절상한 수의 단수로 제 2 전계효과 트랜지스군은 구성되고, 제 3 전계효과 트랜지스터군을 구성하는 전계효과 트랜지스터의 내전압으로 신호입력부에서 입력되는 입력신호의 최대전압 진폭값을 제한값을 절상한 수의 단수 제 3 전계효과 트랜지스터군을 포함하여 구성된 것을 특징으로 하는 신호전환용 스위치.
  2. 제 1 항에 있어서, 제 1 전계효과 트랜지스터군의 단수는 제 1 전계효과 트랜지스터군에 있어서의 삽입손실 및 아이솔레이션의 값이 가능한한 작아지도록 결정되고, 제 2 및 제 3 전계효과 트랜지스터에 있어서의 삽입손실 및 아이솔레이션의 값이 가능한한 작아지도록 제 2 및 제 3 전계효과 트랜지스터군을 구성하는 전계효과 트랜지스터의 게이트폭을 결정하도록 구성된 것을 특징으로 하는 신호전환용 스위치.
  3. 제 1 항 또는 제 2 항에 있어서, 제 4 전계효과 트랜지스터군의 단수는 수신신호의 전력에 의존하여 결정되고, 제 4 전게효과 트랜지스터군을 구성하는 전계효과 트랜지스터의 게이트폭은 제 4 전계효과 트랜지스터군에 있어서의 삽입손실 및 아이솔레이션의 값이 가능한한 작아지도록 결정되는 것을 특징으로 하는 신호전환용 스위치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019940010065A 1993-05-21 1994-05-09 신호전환용스위치 KR100296991B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14272193A JP3243892B2 (ja) 1993-05-21 1993-05-21 信号切り替え用スイッチ
JP93-142721 1993-05-21

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KR940027615A true KR940027615A (ko) 1994-12-10
KR100296991B1 KR100296991B1 (ko) 2001-10-24

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US (1) US5548239A (ko)
EP (1) EP0625831B1 (ko)
JP (1) JP3243892B2 (ko)
KR (1) KR100296991B1 (ko)
CN (1) CN1050249C (ko)
DE (1) DE69432997T2 (ko)

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CN1097910A (zh) 1995-01-25
US5548239A (en) 1996-08-20
JP3243892B2 (ja) 2002-01-07
JPH06334506A (ja) 1994-12-02
DE69432997D1 (de) 2003-09-11
EP0625831A3 (en) 1995-10-04
CN1050249C (zh) 2000-03-08
DE69432997T2 (de) 2004-06-09
EP0625831B1 (en) 2003-08-06
EP0625831A2 (en) 1994-11-23
KR100296991B1 (ko) 2001-10-24

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