IT7922384A0 - Circuito moltiplicatore elettronico. - Google Patents
Circuito moltiplicatore elettronico.Info
- Publication number
- IT7922384A0 IT7922384A0 IT7922384A IT2238479A IT7922384A0 IT 7922384 A0 IT7922384 A0 IT 7922384A0 IT 7922384 A IT7922384 A IT 7922384A IT 2238479 A IT2238479 A IT 2238479A IT 7922384 A0 IT7922384 A0 IT 7922384A0
- Authority
- IT
- Italy
- Prior art keywords
- multiplier circuit
- electronic multiplier
- electronic
- circuit
- multiplier
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Electronic Switches (AREA)
- Calculators And Similar Devices (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1812978 | 1978-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7922384A0 true IT7922384A0 (it) | 1979-05-04 |
IT1113949B IT1113949B (it) | 1986-01-27 |
Family
ID=10107158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22384/79A IT1113949B (it) | 1978-05-06 | 1979-05-04 | Circuito moltiplicatore elettronico |
Country Status (5)
Country | Link |
---|---|
US (1) | US4242634A (it) |
JP (1) | JPS55997A (it) |
DE (1) | DE2917921A1 (it) |
FR (1) | FR2425116B1 (it) |
IT (1) | IT1113949B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4663587A (en) * | 1985-10-02 | 1987-05-05 | Westinghouse Electric Corp. | Electronic circuit for measuring electrical energy |
US4906875A (en) * | 1988-05-09 | 1990-03-06 | Hewlett-Packard Company | Digital integtrating mixer |
US4870303A (en) * | 1988-06-03 | 1989-09-26 | Motorola, Inc. | Phase detector |
GB2234069B (en) * | 1988-10-28 | 1992-08-12 | Motorola Inc | Sensor arrangement |
JP2576774B2 (ja) * | 1993-10-29 | 1997-01-29 | 日本電気株式会社 | トリプラおよびクァドルプラ |
EP1184971A1 (en) * | 2000-08-17 | 2002-03-06 | Motorola, Inc. | Switching mixer |
US6594478B1 (en) * | 2000-11-03 | 2003-07-15 | Motorola, Inc. | Self oscillating mixer |
US8698545B2 (en) * | 2012-04-03 | 2014-04-15 | Texas Instruments Incorporated | Analog multiplier and method for current shunt power measurements |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2661457A (en) * | 1950-03-04 | 1953-12-01 | Iowa State College Res Found | Wattmeter-varmeter |
US3432650A (en) * | 1964-11-10 | 1969-03-11 | Northern Electric Co | Signal multiplier providing an output signal substantially free of components proportional to the individual input signals |
GB1129521A (en) * | 1965-03-11 | 1968-10-09 | Solartron Electronic Group | Improvements in multiplicative modulator |
GB1224162A (en) * | 1967-01-10 | 1971-03-03 | English Electric Co Ltd | Improvements in power meters |
US3526786A (en) * | 1967-09-19 | 1970-09-01 | Honeywell Inc | Control apparatus |
JPS5610667B2 (it) * | 1973-06-20 | 1981-03-10 | ||
FR2341164A1 (fr) * | 1976-02-11 | 1977-09-09 | Chauvin Arnoux Sa | Dispositif correcteur d'erreur de multiplication analogique notamment pour wattmetre de precision |
US4053832A (en) * | 1976-05-24 | 1977-10-11 | National Semiconductor Corporation | A.C. power meter |
-
1979
- 1979-04-13 US US06/029,808 patent/US4242634A/en not_active Expired - Lifetime
- 1979-05-03 DE DE19792917921 patent/DE2917921A1/de active Granted
- 1979-05-04 JP JP5414079A patent/JPS55997A/ja active Granted
- 1979-05-04 IT IT22384/79A patent/IT1113949B/it active
- 1979-05-04 FR FR7911235A patent/FR2425116B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4242634A (en) | 1980-12-30 |
FR2425116A1 (fr) | 1979-11-30 |
DE2917921A1 (de) | 1979-11-15 |
FR2425116B1 (fr) | 1985-12-13 |
DE2917921C2 (it) | 1990-05-31 |
JPH0350313B2 (it) | 1991-08-01 |
JPS55997A (en) | 1980-01-07 |
IT1113949B (it) | 1986-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970529 |