JPS566530A - Multiinput analog switch circuit - Google Patents

Multiinput analog switch circuit

Info

Publication number
JPS566530A
JPS566530A JP8138279A JP8138279A JPS566530A JP S566530 A JPS566530 A JP S566530A JP 8138279 A JP8138279 A JP 8138279A JP 8138279 A JP8138279 A JP 8138279A JP S566530 A JPS566530 A JP S566530A
Authority
JP
Japan
Prior art keywords
circuit
multiinput
switch circuit
analog switch
constitution
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP8138279A
Other languages
Japanese (ja)
Inventor
Yasuo Kominami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8138279A priority Critical patent/JPS566530A/en
Publication of JPS566530A publication Critical patent/JPS566530A/en
Pending legal-status Critical Current

Links

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
    • H03K17/60—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 bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To simplify the circuit constitution by providing the transistors at one side of the differential transistor circuit in parallel and in correspondence to the number of the inputs and then connecting selectively the parallel transistors to the constant current source. CONSTITUTION:Common differential pair transistor (TR) Q4 is provided to TRQ1-Q3 which share the collector, and the current Miller circuit consisting of TRQ5 and Q6 is connected to the collectors of TRQ4 as well as to Q1-Q3. Then the input is applied to input terminals IN1-IN3, and TRQ7 is turned on selectively. Thus the current flows via diodes D1 and D<6> to obtain input signal V1 at output terminal OUT of output circuit 1. The same action is secured also when TRQ8 and Q9 are selected.
JP8138279A 1979-06-29 1979-06-29 Multiinput analog switch circuit Pending JPS566530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8138279A JPS566530A (en) 1979-06-29 1979-06-29 Multiinput analog switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138279A JPS566530A (en) 1979-06-29 1979-06-29 Multiinput analog switch circuit

Publications (1)

Publication Number Publication Date
JPS566530A true JPS566530A (en) 1981-01-23

Family

ID=13744737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8138279A Pending JPS566530A (en) 1979-06-29 1979-06-29 Multiinput analog switch circuit

Country Status (1)

Country Link
JP (1) JPS566530A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162832A (en) * 1981-03-31 1982-10-06 Matsushita Electric Ind Co Ltd Electronic switch circuit
US4491629A (en) * 1982-02-22 1985-01-01 Tokyo Shibaura Denki Kabushiki Kaisha Water soluble photoresist composition with bisazide, diazo, polymer and silane
US4501806A (en) * 1982-09-01 1985-02-26 Tokyo Shibaura Denki Kabushiki Kaisha Method for forming pattern and photoresist used therein
US4526854A (en) * 1982-09-01 1985-07-02 Tokyo Shibaura Denki Kabushiki Kaisha Photoresist composition with water soluble bisazide and diazo compound

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162832A (en) * 1981-03-31 1982-10-06 Matsushita Electric Ind Co Ltd Electronic switch circuit
JPH0141052B2 (en) * 1981-03-31 1989-09-01 Matsushita Electric Ind Co Ltd
US4491629A (en) * 1982-02-22 1985-01-01 Tokyo Shibaura Denki Kabushiki Kaisha Water soluble photoresist composition with bisazide, diazo, polymer and silane
US4501806A (en) * 1982-09-01 1985-02-26 Tokyo Shibaura Denki Kabushiki Kaisha Method for forming pattern and photoresist used therein
US4526854A (en) * 1982-09-01 1985-07-02 Tokyo Shibaura Denki Kabushiki Kaisha Photoresist composition with water soluble bisazide and diazo compound

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