Special-Purpose Op-Amp Circuits Questions

• 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.
• An instrumentation amplifier has extremely high ________, good ________, and high ________.
• A Schmitt trigger is a comparator with _______.
• The gain of an OTA is the ratio of the output current to the input voltage, and is measured in _____________.
• If an operational transconductance amplifier (OTA) is used as an amplitude modulator, the voltage gain is varied by applying a _________ voltage to the ______ input.
• The precision rectifier circuit is designed to _________.
• The basic instrumentation amplifier has ________ input(s).