Related Questions

The CMRR of a typical IC OPAMP is
A 70 dB
B 80 dB
C 85 dB
D 75 dB
The two input terminals of an opamp are labeled as
A High and low
B Positive and negative
C Inverting and non inverting
D Differential ans non differential
A differentiator is usually not a part of a control system because it
A Reduces damping
B Reduces the gain margin
C Increases input noise
D Increases error
In an RC differentiator, responding to repetitive pulses, the average value of the output.
A Is zero
B Is equal to the input voltage
C Is 63 percent of the input voltage
D Cannot be determined
An RC differentiator acts as a
A Low-pass filter
B High-pass filter
C Band-pass filter
D Band-stop filter
In an RC differentiator, the capacitor.
A Charges exponentially at a rate depending on the RC time constant
B Charges exponentially at a rate depending on the input voltage
C Charges when the input voltage is decreasing
D Charges to approximately one time constant
In an RL differentiator, when the input pulse goes from its low level to its high level,
A The inductor prevents a sudden change in voltage
B The inductor prevents a sudden change in current
C Voltage across the inductor instantly reaches 63% of input voltage
D Voltage across the inductor is zero
In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant.
A Must be zero
B Must be equal to the applied voltage
C Is less than the applied voltage but greater than zero
D Cannot be determined
To understand how the output voltage is shaped by a differentiator, you must consider
A The response to the rising pulse edge
B The response between the rising and falling edges
C The response to the falling pulse edge
D All of the above

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