TWO-WIRE TRANSMITTER
There is provided a two-wire transmitter capable of obtaining a signal reflecting a continuous change in a sensor signal, and in addition, facilitating a configuration or processing in a subsequent stage. The two-wire transmitter that outputs an analog voltage signal V3 based upon a sensor signal V1...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English French German |
| Published |
30.04.2014
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| Subjects | |
| Online Access | Get full text |
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| Abstract | There is provided a two-wire transmitter capable of obtaining a signal reflecting a continuous change in a sensor signal, and in addition, facilitating a configuration or processing in a subsequent stage. The two-wire transmitter that outputs an analog voltage signal V3 based upon a sensor signal V1 to a transmission line N1 includes: an intermediate potential generation circuit (100) for generating an intermediate potential between the transmission line N1 and a transmission line N2; an operational amplifier (101) to which the sensor signal V1 and a feedback signal V2 are supplied; and a current source (102) for generating a current 13 flowing from the transmission line N1 to the transmission line N2, based upon a control signal output from the operational amplifier (101). In this situation, the control signal controls the operational amplifier (101) to equalize the sensor signal V1 and the feedback signal V2. |
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| AbstractList | There is provided a two-wire transmitter capable of obtaining a signal reflecting a continuous change in a sensor signal, and in addition, facilitating a configuration or processing in a subsequent stage. The two-wire transmitter that outputs an analog voltage signal V3 based upon a sensor signal V1 to a transmission line N1 includes: an intermediate potential generation circuit (100) for generating an intermediate potential between the transmission line N1 and a transmission line N2; an operational amplifier (101) to which the sensor signal V1 and a feedback signal V2 are supplied; and a current source (102) for generating a current 13 flowing from the transmission line N1 to the transmission line N2, based upon a control signal output from the operational amplifier (101). In this situation, the control signal controls the operational amplifier (101) to equalize the sensor signal V1 and the feedback signal V2. |
| Author | TANAHASHI, TOMOATSU YAMAHA, YOSHIRO |
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| Notes | Application Number: EP20100824640 |
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| RelatedCompanies | ASAHI KASEI MICRODEVICES CORPORATION |
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| Snippet | There is provided a two-wire transmitter capable of obtaining a signal reflecting a continuous change in a sensor signal, and in addition, facilitating a... |
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| SubjectTerms | PHYSICS SIGNALLING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS |
| Title | TWO-WIRE TRANSMITTER |
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