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Comparator Basic

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  • A Comparator Based Slope ADC
    Comparators are used for many things, but many people want to build analog-to-digital converters using a comparator. Comparators are one basic building block of all ADC architectures. A PICmicro(R) microcontroller with internal comparators can become an ADC with the application of some software
  • 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
  • Basic Gyroscope Spin Motor Excitation Requirements For USD Gyroscopes
    This applications note discusses basic gyroscope spin motor excitation requirements for many models of US Dynamics miniature Rate Integrating Gyroscopes (RIG) and Rate Gyroscopes. Most US Dynamics miniature gyroscopes utilize 2 phase synchronous (hysteresis) motors to drive the gyroscope inertia
  • Capacitive Multibutton Configurations
    ) By default, PIC microcontrollers with a comparator INTRODUCTION module capable of capacitive sensing*, may use the internal multiplexor to the comparator inputs to scan up This application note describes how to scan and detect to four buttons. The internal MUX is controlled by the button presses
  • Oscillator Circuits For RTD Temperature Sensors
    This application note shows how to design a temperature sensor oscillator circuit using Microchip's low-cost MCP6001 operational amplifier (op amp) and the MCP6541 comparator. Oscillator circuits can be used to provide an accurate temperature measurement with a Resistive Temperature Detector (RTD
  • NTC Thermistor Application Guide
    thermistors are the most sensitive of all temperature sensing elements they are popular in temperature control systems. By using a thermistor in a voltage comparator circuit basic on-off temperature control as well as over-temperature protection can be incorporated. Temperature compensation Many
  • Sigma-Delta ADC Architecture
    Sigma-Delta ADC architecture takes a fundamentally different approach from those outlined above. In its most basic form, a sigma-delta converter consists of an integrator, a comparator, and a single-bit DAC. The output of the DAC is subtracted from the input signal. The resulting signal

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