Flash Cards

E7G12

What is an operational amplifier?

• A. A digital audio amplifier whose characteristics are determined by components external to the amplifier
• B. A RF amplifier used in the UHF and microwave regions
• C. A high-gain, direct-coupled differential amplifier with very high input impedance and very low output impedance
• D. An amplifier used to increase the average output of frequency modulated amateur signals to the legal limit