WorksheetsSpecial Function ICs
Total questions: 10
Worksheet time: 10mins
The MF10 IC is a
Voltage regulator
Switched capacitor universal filter
Digital timer
Pulse generator
In the MF10, the cutoff frequency is determined by
Op-amp bandwidth
Resistor-capacitor time constant
Clock frequency
Input voltage
A Voltage-to-Frequency Converter (VFC) is commonly used in
Audio synthesis
Motor speed control
Long-distance analog signal transmission via digital frequency
Memory circuits
Audio power amplifiers used in industry are designed to
Generate triangular waves
Drive speakers and actuators with significant power
Detect RF signals
Stabilize voltage
A video amplifier must have
High gain at low frequencies
Flat gain over a wide bandwidth
Large time constants
Audio signal compatibility
Industrial CCTV and display systems require video amplifiers to
Enhance audio clarity
Amplify RGB or composite signals without distortion
Store video frames
Generate sync pulses
The key parameter for a video amplifier is
Resolution
Linearity
Bandwidth
All of the above
Isolation amplifiers are used in industrial environments to
Generate noise
Break ground loops and protect from high voltages
Increase data transfer rates
Replace sensors
An optocoupler is used for
Voltage gain
Isolating high-voltage and low-voltage circuits using light
Filtering analog noise
Signal inversion
Which component is used to convert electrical signals into optical signals in fiber optic systems?
Photodiode
Laser diode or LED
Triac
Diode bridge
