NEETS 8 - Amplifiers

Which term that describes the size of a signal?

Which type of device enables an input signal to control an output signal?

An audio amplifier is designed to amplify frequencies between 15 Hz and what?

Which operating class is the amplifier if the amplifying device is biased in such a way that current flows in the device for 51% - 99% of the input signal?

What is the process known as of transferring energy between circuits?

What is the most commonly used coupling in amplifiers?

What is accomplished by adding part of the output signal in phase with the input signal?

What is caused by a small part of the signal from the amplifier output being sent back to the input of the amplifier?

Which type of device produces two signals that differ in phase from each other from a single input signal?

What is the process of sending part of the output signal of an amplifier back to the input of the amplifier called?

What is accomplished by adding part of the output signal out of phase with the input signal?

An audio amplifier has been described as an amplifier with a frequency response from 15 Hz to what?

Which standard block diagram symbol is used for an amplifier?

Which two ways can most amplifiers be classified?

What is an amplifier in which the output signal voltage is larger than the input signal voltage?

What is an amplifier in which the output signal power is greater than the input signal power?

Audio amplifier, RF amplifier, along with what else are the three broad categories of frequency response for amplifiers?

RF amplifiers are designed to amplify frequencies between 10 kHz and what?

A video amplifier is an amplifier designed to amplify a band of frequencies from 10 Hz to what?

How many classes of operation for an amplifier are there?

Which class of amplifier has the characteristics of good fidelity and low efficiency?

Which term means that the output signal is just like the input signal in all respects except amplitude?

What is any undesired change in a signal from input to output?

Which type of amplifier has the worst fidelity?

Which type of amplifier uses two transistors whose output signals are added together to provide a larger gain (usually a power gain) than a single transistor could provide?