JPS5476046A - Multiplication circuit - Google Patents
Multiplication circuitInfo
- 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
Links
Landscapes
- 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.
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) |
-
1977
- 1977-11-30 JP JP14532877A patent/JPS5476046A/en active Pending
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