Typical isolation amplifiers use optical coupling.

More Questions from Special-Purpose Op-Amp Circuits

• One of the principal areas of application for an isolation amplifier is power plant instrumentation.
• The main purpose of an instrumentation amplifier is to amplify small signals riding on large common-mode voltages.
• An isolation amplifier provides ac isolation between input and output.
• An OTA is primarily a current-to-voltage amplifier.
• To construct an instrumentation amplifier, two op-amps and seven resistors are needed.
• The external resistor of a typical instrumentation amplifier is used to set the ________.
• A voltage-to-current converter is used in applications where it's necessary to have an output load current that is controlled by _________.
• A Schmitt trigger has _________.
• The ________ amplifier is ideal for amplitude modulation since its gain is current-controlled.
• A(n) ________ amplifier is used if the application requires a high sensitivity to low-level signals and protection from high-voltage associated circuits.

Discussion & Comments