Extra Class

Which of the following would allow a digital signal processing filter to create a sharper filter response?

What is the typical output impedance of an op-amp?

What is the frequency response of the circuit in E7-3 if a capacitor is added across the feedback resistor?

What is the typical input impedance of an op-amp?

What is meant by the term “op-amp input offset voltage”?

How can unwanted ringing and audio instability be prevented in an op-amp audio filter?

What is the gain-bandwidth of an operational amplifier?

How does the gain of an ideal operational amplifier vary with frequency?

What is an operational amplifier?

What are three common oscillator circuits?

What is a microphonic?

What is a phase-locked loop?

How is positive feedback supplied in a Colpitts oscillator?

How is positive feedback supplied in a Pierce oscillator?

Which of these functions can be performed by a phase-locked loop?

How can an oscillator’s microphonic responses be reduced?

Which of the following components can be used to reduce thermal drift in crystal oscillators?

What type of frequency synthesizer circuit uses a phase accumulator, lookup table, digital-to-analog converter, and a low-pass anti-alias filter?

What information is contained in the lookup table of a direct digital synthesizer (DDS)?

What are the major spectral impurity components of direct digital synthesizers?