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  • D/A Conversion Using PWM and R-2R Ladders to Generate Sine and DTMF Waveforms
    ) for telephone dialing, controlling the speed of a motor, generating sound and complex waveforms, and generating variable voltages in a power supply. D/A Conversion Using PWM and R-2R Ladders to Generate Sine and DTMF Waveforms. AN655. D/A Conversion Using PWM and R-2R Ladders to Generate Sine and DTMF
  • Using PWM to Generate Analog Output
    . Some speech applications (talk back units, speech synthesis systems in toys, etc.) also do not require high resolution D/A converters. For these applications, Pulse Width Modulated outputs may be converted to analog outputs. Conversion of PWM waveforms to analog signals involves the use of analog
  • Driving the Analog Inputs of a SAR A/D Converter
    . In this application note we will delve into the issues surrounding the SAr Converter's input and conversion nuances to insure that the converter is handled properly from the beginning of the design phase. We will also review the specifications available in most A/D Converter data sheets and identify
  • Sensorless Field Oriented Control of PMSM Motors using dsPIC30F or dsPIC33F Digital Signal Controllers
    for washing. on the ADCs enable use of inexpensive current sense. machines because the load is changing dynamically. resistors to measure winding currents. For example,. within a wash cycle, and varies with different loads and. the ability to trigger A/D conversions with the PWM. selected wash cycle. Further
  • Care and Feeding of the PIC16C74 and Its Peripherals
    A/D value may float around. The second trimpot is only used to show a method of changing A/D input pins. If you are using the PICDEM 2 board, then the LED and a current limiting resistor must be connected to the PWM output. When the program is run, the RS-232 terminal will display two A/D values
  • Switch Mode Battery Eliminator Based on a PIC16C72A
    The PIC16C72A is a member of the PICmicro (R) Mid-Range Family of 8-bit, high-speed microcontrollers. The PIC16C72 provides the following features: 5 Channel, 8-bit Analog-to-Digital Converter (A/D) ? CCP Module to generate a PWM output I 2 C/SPI Module 3 Timers 8 Interrupt sources This application
  • 30 V, 2 A High Efficiency CVCC LED Driver
    Level Control. Yes (Dimming Controls). Others. PWM, Bi-level and Analog LED Dimming Input Options.  Semiconductor Components Industries, LLC, 2013. 1. Publication Order Number: January, 2013 − Rev. 2. DN05015/D. DN05015/D. SCHEMATIC − PRIMARY SECTION. 7. 10. 11. 14. T1. A. C. A. C. 2. 5. PWM Dim. CVCC
  • Make a White LED Torch Using a Buck Converter
    and where a DC-DC boost or buck-boost converter. was required for a given illumination, you can now place a. DC-DC buck converter. AND8465 - Make a White-LED Torch Using a Buck Converter AND8465/D. Make a White­LED Torch. Using a Buck Converter. Prepared by: Bertrand RENAUD. ON Semiconductor