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Sensors Technical Articles
Test & Measurement
How to Design Charge Amplifiers for Piezoelectric Sensors
This article explores charge-amplifier design details, including ESD protection and frequency response.
October 23, 2018
Understanding and Implementing Charge Amplifiers for Piezoelectric Sensor Systems
In this article we’ll explore a circuit that produces an output voltage proportional to the charge generated by a piezoelectric transducer....
October 22, 2018
Understanding and Modeling Piezoelectric Sensors
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems....
October 15, 2018
PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.
June 07, 2018
Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
June 06, 2018
Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices
This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project....
May 31, 2018
The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices
This article presents the equivalent circuit for a solar cell and discusses some implementation details.
May 30, 2018
Hardware Evaluation for the Cypress S6AE102A/S6AE103A Eval Kit for Energy Harvesting Applications
In this article, we will assess and characterize the hardware of two power management IC development boards from Cypress Semiconductor, designed for energy-harvesting applications....
May 08, 2018
Comparing Optical Sensors: Understanding D-Star
This technical brief discusses a parameter that conveys the sensitivity of an optical detector.
April 05, 2018
How to Use a Diode as a Thermometer
This article, part of AAC’s Analog Circuit Collection, presents a straightforward circuit that allows you to measure temperature with little more than a diode and a BJT....
February 16, 2018
Capacitive Control Panel PCB Design Considerations for TI’s MSP430FR2633 Microcontroller
This article provides a closer look at the PCB design considerations and programming of a custom capacitive touch interface device.
February 07, 2018
Simplify Your Life with an Analog Window Detector
This article, part of AAC’s Analog Circuit Collection, presents a simple yet effective replacement for ADC-based window detection.
February 02, 2018
GPS Times, Atomic Clock Frequencies, and the Increasing Accuracy of GPS
GPS as we know it requires the precision of atomic clocks. This article looks at the importance of timing for GPS and the clocks that provide it....
December 22, 2017
Structures for Implementing Finite Impulse Response Filters
This article will review some basic structures to implement Finite Impulse Response (FIR) filters.
October 04, 2017
An Introduction to Motion Sensors: PIR, Tilt, Force, and More
Learn about various movement-type sensors including accelerometers, tilt sensors, vibration sensors, PIR (passive infrared) sensors, and rotation sensors....
June 19, 2017
Introduction to Temperature Sensors: Thermistors, Thermocouples, RTDs, and Thermometer ICs
Learn about various types of temperature sensors and each of their advantages and disadvantages.
June 05, 2017
Keeping Track of Your Biopotential: Maxim’s New Analog Front End for Wearables
Highly integrated ICs such as the MAX30004 can help you to improve the performance and practicality of your wearable designs.
May 30, 2017
Measuring Rotation in Harsh Environments: New Rotary Position Sensors from TT Electronics
Rotary position sensors such as the PHS series can help you track mechanical changes in a wide variety of applications.
May 26, 2017
Convenient Rotational Measurements: A New Angle-Sensor SoC from Allegro
Hall-effect-based ICs such as the A1337 can help your device to perform a variety of sensor tasks related to angular motion.
May 11, 2017
Dealing with Variable Lighting: CMOS Vs CCD Image Sensors
Despite the convenience of CMOS imagers, CCD imagers still have their place. And if you really need low-light performance, consider a device with EMCCD technology, such as the KAE-02152....
May 03, 2017
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