Fundamentals Prelim Flashcards
(155 cards)
Which detect changes in magnetic fields, are fundamental in various applications, including automotive and industrial.
Hall Effect Sensors,
It is a device, whose resistance varies according to intensity of light it is subjected to
Light Dependent Resistor
A greatly benefits from filters, which are designed to remove unwanted components from the signal, ensuring signal integrity and clarity.
Signal processing
Are chips that contain both digital and analog circuitry on the same chip.
Mixed-Signal ICs
In sensor circuits are primarily used for clean switching operations, demonstrating the need for noise immunity in digital systems
Schmitt triggers
Essential in thermal imaging, operate by detecting changes in the electrical resistance of a material in response to infrared radiation. This principle underscores the intersection of material science and sensor technology.
Microbolometers
A characterized by the output difference when measurements are approached from different directions, reflecting the non-linear behavior of sensors.
Sensor Hysteresis
A data acquisition systems play a pivotal role by allowing only signals with frequencies lower than a certain cutoff to pass through, crucial for maintaining signal fidelity.
Low-Pass Filters
A change resistance under mechanical stress, are a cornerstone in pressure sensing technologies. Chopper Stabilized Amplifiers provide stability against DC offset and drift, crucial in maintaining signal integrity
Piezoresistive Sensors
which produce an electrical charge when mechanically stressed, exemplify the direct conversion of mechanical energy into electrical energy.
Piezoelectric Sensors
The concept of sensor fusion, which involves harmonizing different sensor outputs, presents a unique challenge. It underscores the intricacy of integrating diverse data sources to create a cohesive understanding of the environment
Sensor Networks
Are those which require an external excitation signal or a power signal.
Active Sensors
A sensor circuits prevent the sensor from adversely affecting the signal source, ensuring the integrity of the signal being measured.
Buffer Amplifiers
Adjusting screen brightness on smartphone
Light Sensoir
A non-contact type sensor that detects the presence of an object.
Proximity Sensor
Detect light intensity and color, have a wide array of applications, from digital imaging to environmental monitoring, highlighting the diverse capabilities of sensor technologies in modern electronics.
Optical Sensors
A sensor DC not require any external power signal and directly generates output response.
Passive Sensors,
Used as a sound sensor, captures sound waves and converts them into electrical signals. This transformation allows devices to analyze or amplify the sound.
Microphone
Is a go-to gadget for detecting motion. It works by picking up infrared light from objects in its viewing area.
Passive Infrared Sensor
Measures temperature by detecting thermal radiation or changes in heat. These sensors are essential for monitoring and controlling temperature in various applications.
Thermal Sensor
Detects and measures the presence or concentration of chemical substances in an environment. It converts this chemical information into an electrical signal for analysis.
Chemical Sensor
Sensor uses radio waves to read and capture information stored on a tag attached to an object. It helps in tracking and identifying items without needing direct contact or a line of sight.
Radio Frequency Identification
Detects light and changes in light intensity. It converts this information into an electrical signal that devices can understand.
Optical sensor
Are used in many areas. You’ll see them in bathroom scales, kitchen scales, and industrial equipment where precise weight measurement is crucial. They help ensure accuracy in manufacturing, packaging, and even in everyday household items.
Strain and Weight Sensors