JPS54162951A - Analog switch circuit - Google Patents

Analog switch circuit

Info

Publication number
JPS54162951A
JPS54162951A JP7146878A JP7146878A JPS54162951A JP S54162951 A JPS54162951 A JP S54162951A JP 7146878 A JP7146878 A JP 7146878A JP 7146878 A JP7146878 A JP 7146878A JP S54162951 A JPS54162951 A JP S54162951A
Authority
JP
Japan
Prior art keywords
voltage
source
analog switch
input signal
switch circuit
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
JP7146878A
Other languages
Japanese (ja)
Inventor
Keiji Tomooka
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 JP7146878A priority Critical patent/JPS54162951A/en
Publication of JPS54162951A publication Critical patent/JPS54162951A/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
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To obtain an analog switch circuit featuring the reduced amount of distortion generated to the input signal by inserting the limiter circuit via the voltage limit resistance to the switch element which controls the conduction between the input and output with the voltage oriduced between the input terminal and the control terminal. CONSTITUTION:Input signal voltage source 1 is connected to load RL3 via resistance RS8 plus the switching element comprising FET transistor Tr2. And the limiter circuit consisting of diodes 4 and 5 plus bias power sources 6 and 7 is connected between source S and the earth of Tr2 to form an analog switch circuit. RS8 is the voltage limit resistance which functions to lower the signal voltage between source S and the earth when Tr2 is switched on by the control voltage of gate G. Both the limit voltage of the limiter circuit and the value of RS8 are selected so that the fixed formula may be satisfied between the pinch-off voltage between S and G of Tr2 and the voltage source 1. As a result, the switching action can be secured completely, and at the same time the distortion can be minimized to the input signal.
JP7146878A 1978-06-15 1978-06-15 Analog switch circuit Pending JPS54162951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7146878A JPS54162951A (en) 1978-06-15 1978-06-15 Analog switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7146878A JPS54162951A (en) 1978-06-15 1978-06-15 Analog switch circuit

Publications (1)

Publication Number Publication Date
JPS54162951A true JPS54162951A (en) 1979-12-25

Family

ID=13461451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7146878A Pending JPS54162951A (en) 1978-06-15 1978-06-15 Analog switch circuit

Country Status (1)

Country Link
JP (1) JPS54162951A (en)

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