Here’s an application note from Atmel: Using the WeX timer/counter extension (PDF!) This application note describes the various functions of the Waveform Extension (WeX) to Timer/Counter 4/5 available on the Atmel® XMEGA® E. It details the differences and improvements according … Read more
Category Archives: app notes
Here’s an app note from Microchip describing the best design practices when developing capacitive touch applications in noisy environments: This application note will begin by defining the problems caused by noise, and explain how that noise typically affects systems. Hardware guidelines … Read more
Here’s an application note from Atmel on microstrip layout techniques to get optimal RF performance from wireless ICs (PDF!) : Poor layout can seriously degrade wireless performance. This application note outlines practical microstrip layout techniques to connect wireless microcontrollers with … Read more
Here’s an app note from Maxim - Technology Changes: From a portable power point of view Portable power presents a range of design challenges. While major changes such as new battery technologies make headlines, the minor, almost negligible shifts are … Read more
Here’s an application note from Atmel: ASF – USB Composite Device (PDF!) The aim of this document is to provide an easy way to integrate a USB composite device application on a new or existing project. This document is associated to … Read more
An application note from Microchip: Precision RTD instrumentation for temperature sensing (PDF!) Precision RTD (Resistive Temperature Detector) instrumentation is key for high performance thermal management applications. This application note shows how to use a high resolution Delta-Sigma Analog-to-Digital converter, and two resistors … Read more
Here’s an application note from Maxim: Process high-voltage input levels into a low-voltage ADC without losing much SNR It is often difficult to find an analog-to-digital converter (ADC) that aligns with the analog input range, but also has the appropriate number … Read more
Here’s an application note from Maxim on basic switching-regulator-layout techniques: This article addresses some of the fundamentals of laying out a switching-regulator board. Although it focuses on a step-up switching-regulator, the concepts it covers are also useful when working with … Read more
Here’s an application note from Atmel: USB High speed device mass storage on SD/MMC card with optional AES (PDF!) This application note is a description of a USB Mass Storage device, using High Speed USB for communication and a SD/MMC-card … Read more
An application note from Microchip: IC temperature sensor accuracy compensation with a PIC microcontroller This application note is based on the analog output MCP9700/MCP9701 and serial output MCP9800 temperature sensors.
Application notes ease analog design with Robert Dobkin, Vice President of Engineering & CTO Linear Technology co-founder and Chief Technical Officer Bob Dobkin discusses the evolution of analog electronics design and the role of application notes and books in assisting … Read more
An application note from Microchip: Interfacing a 4×4 Matrix keypad with an 8-Bit GPIO expander This application note discusses interfacing a 4×4 matrix keypad with MCP23X08 8-Bit GPIO Expander. This application note references the MCP23X08/17 GPIO Expander Keypad/LCD Demo Board … Read more
Here’s a guidelines for reliable 1-Wire Network from Maxim: The 1-Wire protocol was originally designed to facilitate communication with nearby devices on a short connection. 1-Wire was also a way to add auxiliary memory on a single microprocessor port pin. … Read more
TI senior applications engineer, Robert Kollman discusses how quasi-resonance increases efficiency in switch mode power supplies for wall adapters.
Single phase energy meter using XMEGA A (PDF!): AVR1631 single-phase energy meter design is based on the Atmel XMEGA® A4U microcontroller. This design is a lowcost solution considering the entire requirement for low-cost energy meter discussed in the previous sections.
Here is an application note from Microchip describing how a PIC12HV615 MCU can be used to implement a digital current control loop for power LEDs: This document describes a power LED driver solution using the PIC12HV615 microcontroller (MCU). The PIC12HV615 … Read more
This video by Robert Kollman, TI senior applications engineer, discusses how to use a two section filter for a low noise power supply.
This app note discusses the problems caused by the removal of lead from electronics and ways to mitigate tin whiskers: “Tin whiskers” is not an imaginative, fanciful term for some aspect of electronics manufacturing. Tin whiskers are real. They are … Read more
Here’s an app note from Maxim: Ubiquity of NFC-enabled phones leads to strong brand protection Counterfeiting has grown tremendously over the last decade. Fortunately, there are several anticounterfeiting solutions. Of these, an authentication based on challenge-response allows a much stronger … Read more
USB OTG like connector implementation (PDF!): The USB OTG (On-The-Go) is an interface to communicate with portable USB devices. In the SAM9x5 Series (SAM9G15/G25/G35/X25/X35) and SAMA5D3x products, the USB host and device share one transceiver. The shared USB transceiver can … Read more