Question E7G12
From subelement E7 - E7G
E7G12
Answer: AWhat is an operational amplifier?
AA high-gain, direct-coupled differential amplifier with very high input impedance and very low output impedance
BA digital audio amplifier whose characteristics are determined by components external to the amplifier
CAn amplifier used to increase the average output of frequency modulated amateur signals to the legal limit
DA RF amplifier used in the UHF and microwave regions