Above the critical frequency (fc) of a low-pass filter, the output voltage gain _______.
A mathematical operation that determines the rate of change of a curve is called __________.
In order to sustain oscillations in a feedback oscillator, the gain should be _________ so the Acl _______.
A Wien-bridge oscillator uses _________.
If the input to a comparator is a sine wave, the output is a
The ______________ input makes the summing amplifier circuit possible.
A triangular-wave oscillator can consist of an op-amp comparator, followed by a(n)
The center frequency of a band-pass filter is always equal to the
To operate properly, an oscillator requires an external ac input signal.
The feedback component in an op-amp integrator is a capacitor.
A mathematical operation for finding the area under the curve of a graph is called __________.
A basic series regulator has
The ramp voltage at the output of an op-amp integrator
A zero-level detector is a
For a Wien-bridge oscillator to produce a sustained sine-wave output, the phase shift around the positive feedback loop must be greater than 0°.
When the capacitance in an active high-pass filter increases, the critical frequency decreases.
A comparator is an example of a(n)
A two-pole high-pass active filter would have a roll-off rate of
A digital-to-analog converter is an application of the
The effectiveness of a filter in rejecting signals beyond cutoff frequency is a function of the filter roll-off rating.