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Questions and Answers
Signal conditioning involves processing the output signal from a sensor in a form suitable for the next stage of operation.
Signal conditioning involves processing the output signal from a sensor in a form suitable for the next stage of operation.
True (A)
Signal conditioning can involve filtering, which typically allows high frequency signals through.
Signal conditioning can involve filtering, which typically allows high frequency signals through.
False (B)
An Instrumentation Amplifier is not a typical role of signal conditioning.
An Instrumentation Amplifier is not a typical role of signal conditioning.
False (B)
Digital-to-Analog Converter (DAC) is not used in signal conditioning.
Digital-to-Analog Converter (DAC) is not used in signal conditioning.
Sample and hold circuits are not a part of signal conditioning modules.
Sample and hold circuits are not a part of signal conditioning modules.
The purpose of interfacing is to make connections between input and output devices through ports in a microprocessor system.
The purpose of interfacing is to make connections between input and output devices through ports in a microprocessor system.
An operational amplifier has an infinite common mode gain.
An operational amplifier has an infinite common mode gain.
The input impedance of an inverting amplifier circuit is about the same as resistor R1.
The input impedance of an inverting amplifier circuit is about the same as resistor R1.
The output impedance of an inverting amplifier circuit is on the order of one ohm.
The output impedance of an inverting amplifier circuit is on the order of one ohm.
The input signal comes into the positive (non-inverting) input of the op-amp in an inverting amplifier circuit.
The input signal comes into the positive (non-inverting) input of the op-amp in an inverting amplifier circuit.
The resistors in an inverting amplifier circuit are typically around 10 kΩ to 100 kΩ.
The resistors in an inverting amplifier circuit are typically around 10 kΩ to 100 kΩ.
An ideal operational amplifier has zero offset voltage.
An ideal operational amplifier has zero offset voltage.
Filters are used to eliminate mains noise from the signal in an operational amplifier circuit.
Filters are used to eliminate mains noise from the signal in an operational amplifier circuit.
The practical limitation of an operational amplifier is that its output voltage cannot exceed |𝑉𝑐𝑐𝑐𝑐|.
The practical limitation of an operational amplifier is that its output voltage cannot exceed |𝑉𝑐𝑐𝑐𝑐|.
Operational amplifiers have infinite differential gain.
Operational amplifiers have infinite differential gain.
The output impedance in closed loop of an ideal operational amplifier is very large.
The output impedance in closed loop of an ideal operational amplifier is very large.
Signal conditioning modules can be used to linearize the output signal from a sensor.
Signal conditioning modules can be used to linearize the output signal from a sensor.
Sample and hold circuits are always included as a part of signal conditioning modules.
Sample and hold circuits are always included as a part of signal conditioning modules.
The purpose of interfacing is to make connections between input and output devices through ports in a microprocessor system.
The purpose of interfacing is to make connections between input and output devices through ports in a microprocessor system.
Digital-to-Analog Converter (DAC) is sometimes used in signal conditioning.
Digital-to-Analog Converter (DAC) is sometimes used in signal conditioning.
An ideal operational amplifier has zero offset voltage.
An ideal operational amplifier has zero offset voltage.
The output impedance in closed loop of an ideal operational amplifier is very large.
The output impedance in closed loop of an ideal operational amplifier is very large.
The purpose of protection in the interface is to prevent damage to the __________.
The purpose of protection in the interface is to prevent damage to the __________.
In an inverting amplifier circuit, the input signal comes into the __________ input of the op-amp.
In an inverting amplifier circuit, the input signal comes into the __________ input of the op-amp.
Filters are used in signal conditioning to eliminate __________ noise from the signal.
Filters are used in signal conditioning to eliminate __________ noise from the signal.
An ideal operational amplifier has a practical limitation that its output voltage cannot exceed |𝑉𝑐𝑐𝑐𝑐|, meaning it is dependent on and limited by the __________ voltage.
An ideal operational amplifier has a practical limitation that its output voltage cannot exceed |𝑉𝑐𝑐𝑐𝑐|, meaning it is dependent on and limited by the __________ voltage.
Operational amplifiers have __________ differential gain.
Operational amplifiers have __________ differential gain.
The output impedance of an inverting amplifier circuit is on the order of __________ ohms.
The output impedance of an inverting amplifier circuit is on the order of __________ ohms.
A sample and hold circuit is a part of signal conditioning modules. (True/False)
A sample and hold circuit is a part of signal conditioning modules. (True/False)
Digital-to-Analog Converter (DAC) is used in signal conditioning. (True/False)
Digital-to-Analog Converter (DAC) is used in signal conditioning. (True/False)
An operational amplifier has zero __________ voltage in ideal conditions.
An operational amplifier has zero __________ voltage in ideal conditions.
An Instrumentation Amplifier is a typical role of signal conditioning. (True/False)
An Instrumentation Amplifier is a typical role of signal conditioning. (True/False)
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Study Notes
Signal Conditioning
- Signal conditioning involves processing the output signal from a sensor in a form suitable for the next stage of operation.
- It can involve filtering, which typically allows high frequency signals through.
Instrumentation Amplifier
- An Instrumentation Amplifier is not a typical role of signal conditioning.
Digital-to-Analog Converter (DAC)
- Digital-to-Analog Converter (DAC) is sometimes used in signal conditioning.
Sample and Hold Circuits
- Sample and hold circuits are not a part of signal conditioning modules.
- However, a sample and hold circuit is a part of signal conditioning modules. (True/False)
Interfacing
- The purpose of interfacing is to make connections between input and output devices through ports in a microprocessor system.
- The purpose of protection in the interface is to prevent damage to the microprocessor.
Operational Amplifier (Op-amp)
- An operational amplifier has infinite common mode gain.
- The input impedance of an inverting amplifier circuit is about the same as resistor R1.
- The output impedance of an inverting amplifier circuit is on the order of one ohm.
- In an inverting amplifier circuit, the input signal comes into the negative (inverting) input of the op-amp.
- The resistors in an inverting amplifier circuit are typically around 10 kΩ to 100 kΩ.
- An ideal operational amplifier has zero offset voltage.
- The practical limitation of an operational amplifier is that its output voltage cannot exceed |𝑉𝑐𝑐𝑐𝑐|, meaning it is dependent on and limited by the power supply voltage.
- Operational amplifiers have infinite differential gain.
- The output impedance in closed loop of an ideal operational amplifier is very large.
Filters
- Filters are used in signal conditioning to eliminate mains noise from the signal.
- Filters are used to eliminate mains noise from the signal in an operational amplifier circuit.
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