JPS5476046A - Multiplication circuit - Google Patents

Multiplication circuit

Info

Publication number
JPS5476046A
JPS5476046A JP14532877A JP14532877A JPS5476046A JP S5476046 A JPS5476046 A JP S5476046A JP 14532877 A JP14532877 A JP 14532877A JP 14532877 A JP14532877 A JP 14532877A JP S5476046 A JPS5476046 A JP S5476046A
Authority
JP
Japan
Prior art keywords
amplifier
input
variation
differential
output
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
JP14532877A
Other languages
Japanese (ja)
Inventor
Yoshihide Ishino
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP14532877A priority Critical patent/JPS5476046A/en
Publication of JPS5476046A publication Critical patent/JPS5476046A/en
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Abstract

PURPOSE:To realize the analog multiplication through an extremely simple circuit constitution by securing such output variation of the 2nd differential amplifier as being proportional to the input product of the 1st and 2nd differential amplifiers. CONSTITUTION:The 1st differential amplifier IQ6 and Q7 plus 2nd differential amplifier IIQ14 and Q15 are provided. At the same time, such circuit is added that output current variation IX of 1st amplifier I corresponding to input EX of amplifier I is used as the constant current source of 2nd amplifier II. And variation IY of the output of amplifier II is made proportional to the product of input EX of amplifier I and input EY of amplifier II. As a result, the analog multiplication becomes possible through an extremely simple circuit constitution.
JP14532877A 1977-11-30 1977-11-30 Multiplication circuit Pending JPS5476046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14532877A JPS5476046A (en) 1977-11-30 1977-11-30 Multiplication circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14532877A JPS5476046A (en) 1977-11-30 1977-11-30 Multiplication circuit

Publications (1)

Publication Number Publication Date
JPS5476046A true JPS5476046A (en) 1979-06-18

Family

ID=15382616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14532877A Pending JPS5476046A (en) 1977-11-30 1977-11-30 Multiplication circuit

Country Status (1)

Country Link
JP (1) JPS5476046A (en)

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