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- Isolation_amplifier abstract "Isolation amplifiers are a form of differential amplifier that allow measurement of small signals in the presence of a high common mode voltage by providing electrical isolation and an electrical safety barrier. They protect data acquisition components from common mode voltages, which are potential differences between instrument ground and signal ground. Instruments that are applied in the presence of a common mode voltage without an isolation barrier allow ground currents to circulate, leading in the best case to a noisy representation of the signal under investigation. In the worst case, assuming that the magnitude of common mode voltage or current is sufficient, instrument destruction is likely. Isolation amplifiers are used in medical instruments to ensure isolation of a patient from power supply leakage current. Amplifiers with an isolation barrier allow the front-end of the amplifier to float with respect to common mode voltage to the limit of the barrier's breakdown voltage, which is often 1,000 volts or more. This action protects the amplifier and the instrument connected to it, while still allowing a reasonably accurate measurement. These amplifiers are also used for amplifying low-level signals in multi-channel applications. They can also eliminate measurement errors caused by ground loops. Amplifiers with internal transformers eliminate external isolated power supply. They are usually used as analogue interfaces between systems with separated grounds.Isolation amplifiers may include isolated power supplies for both the input and output stages, or may use external power supplies on each isolated portion.".
- Isolation_amplifier thumbnail Signal_source_components.gif?width=300.
- Isolation_amplifier wikiPageExternalLink 070518p.pdf.
- Isolation_amplifier wikiPageExternalLink isolation.htm.
- Isolation_amplifier wikiPageID "14766360".
- Isolation_amplifier wikiPageRevisionID "601946429".
- Isolation_amplifier hasPhotoCollection Isolation_amplifier.
- Isolation_amplifier subject Category:Electronic_amplifiers.
- Isolation_amplifier subject Category:Electronic_design.
- Isolation_amplifier type Amplifier102705944.
- Isolation_amplifier type Artifact100021939.
- Isolation_amplifier type ElectronicAmplifiers.
- Isolation_amplifier type ElectronicEquipment103278248.
- Isolation_amplifier type Equipment103294048.
- Isolation_amplifier type Instrumentality103575240.
- Isolation_amplifier type Object100002684.
- Isolation_amplifier type PhysicalEntity100001930.
- Isolation_amplifier type Whole100003553.
- Isolation_amplifier comment "Isolation amplifiers are a form of differential amplifier that allow measurement of small signals in the presence of a high common mode voltage by providing electrical isolation and an electrical safety barrier. They protect data acquisition components from common mode voltages, which are potential differences between instrument ground and signal ground.".
- Isolation_amplifier label "Amplificador de aislamiento".
- Isolation_amplifier label "Isolation amplifier".
- Isolation_amplifier label "Trennverstärker".
- Isolation_amplifier sameAs Trennverstärker.
- Isolation_amplifier sameAs Amplificador_de_aislamiento.
- Isolation_amplifier sameAs m.03gx89m.
- Isolation_amplifier sameAs Q2451630.
- Isolation_amplifier sameAs Q2451630.
- Isolation_amplifier sameAs Isolation_amplifier.
- Isolation_amplifier wasDerivedFrom Isolation_amplifier?oldid=601946429.
- Isolation_amplifier depiction Signal_source_components.gif.
- Isolation_amplifier isPrimaryTopicOf Isolation_amplifier.
