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  • Determining Minimum Acquisition Times for SAR ADCs When a DC Voltage is Applied to the Input
    The input structure circuit of a successive-approximation register analog-to-digital converter (SAR ADC) in combination with the driving circuit forms a transfer function that can be used to determine minimum acquisition times for different types of applied input signals. This paper, which builds
  • Make a Delta-Sigma Converter Using a Microcontroller's Analog Comparator Module
    This application note describes how to implement an Analog-to-Digital (A/D) Converter function using a member of the PIC16C6XX series of microcontrollers. Although these microcontrollers do not have a built-in A/D Converter like other controllers from Microchip, the comparator function, internal
  • Make a Delta-Sigma Converter Using a Microcontroller's Analog Comparator Module
    This application note describes how to implement an Analog-to-Digital (A/D) Converter function using a member of the PIC16C6XX series of microcontrollers. Although these microcontrollers do not have a built-in A/D Converter like other controllers from Microchip, the comparator function, internal
  • Sensorless Field Oriented Control of PMSM Motors using dsPIC30F or dsPIC33F Digital Signal Controllers
    . They are also electrically less noisy than DC trol algorithms is now a reality thanks to the new motors, since brushes are not used. generation of Digital Signal Controllers (DSCs). An air conditioner, for example, requires fast response Why Use Digital Signal Controllers for for speed changes in the motor
  • Differential ADC Biasing Techniques, Tips and Tricks
    True differential converters can offer many advantages over single-ended input A/D Converters (ADC). In addition to their common mode rejection ability, these converters can also be used to overcome many DC biasing limitations of common signal conditioning circuits.
  • Offline UPS Reference Design Using the dsPIC DSC (.pdf)
    The reference design in this application note describes the design of an Offline Uninterruptible Power Supply (UPS) using a Switch Mode Power Supply (SMPS) dsPIC (R) Digital Signal Controller (DSC). The Offline UPS Reference Design consists of three major UPS topology blocks: 1)Push-Pull Converter
  • EETimes.com | Electronics Industry News for EEs & Engineering Managers
    NEC plans major restructuring, but semiconductors will not be touched Module features Patriot's Java MPU ASML taps Extraction's monitor for DUV demo cell Philips MCU in Visa smart card Samsung, Hyundai pick TI's ADSL chip set MEMC says new technique improves wafers for higher yields Anadigics DC/DC
  • Reading and Using Fast Fourier Transforms (FFT)
    When you're trying to solve a signal integrity problem, the best of all worlds is to have more than one tool to examine the behavior of a system. If there is an Analog-to-Digital (A/D) converter in the signal path, there are three fundamental issues that can be examined when assessing the circuit's

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