WorksheetsV-I and I-V Converters
Total questions: 10
Worksheet time: 10mins
A phase shift circuit using RC components can provide a maximum phase shift of:
90°
180°
270°
360°
The main purpose of a voltage follower using an op-amp is to:
Amplify the input signal
Invert the signal
Provide unity gain with high input and low output impedance
Act as a differentiator
In a V-I converter, the input is a voltage and the output is a:
Voltage proportional to the square of input
Constant voltage
Current proportional to the input voltage
Logarithmic current
An instrumentation amplifier is best suited for:
Driving capacitive loads
Low-frequency oscillators
Low-noise, high-precision differential signal amplification
Converting analog to digital signals
The most critical feature of an instrumentation amplifier for industrial sensors is:
Slew rate
Power consumption
High input impedance and high CMRR
Bandwidth
An ideal integrator circuit has which type of output for a constant DC input?
Exponential
Sinusoidal
Ramp (linear)
Constant
A practical differentiator circuit is modified using a resistor at the input to:
Improve integration speed
Reduce offset voltage
Reduce high-frequency noise and instability
Increase phase margin
A logarithmic amplifier uses the exponential relationship of:
Diode or BJT collector current to voltage
Resistor voltage to current
Capacitor charge to voltage
Op-amp output to input
In an antilogarithmic amplifier, the output voltage is:
Proportional to the logarithm of input
Exponential of the input voltage
Square root of input voltage
Inversely proportional to input
An I-V converter is most useful when interfacing with:
Temperature sensors
Strain gauges
Photodiodes
Microcontrollers
