This application note reviews a circuit technique that is used to create an analog signal output using Pulse Width Modulation (PWM). The paper explains the theory and provides some circuit examples.
Low-cost, 8-bit, single-chip microcontrollers are stingy when it comes to on-chip PWM (pulse-width-modulation) resources. The use of a PWM resource often forces a designer to sacrifice a ...
This article describes a simple technique for using a processors PWM output to produce an analog control voltage that matches the load’s input range, thus maximizing control resolution. Most ...
Abstract: This paper presents a method for utilizing the on-chip PWM (pulse width modulated) generators on a TMS320C240 DSP for digital-to-analog (D/A) conversion. The method involves analog low-pass ...
This article, by Oleksii Kravchenko, Team Lead Application Engineering, Renesas Electronics, Lviv, Ukraine, demonstrates how to implement analog/digital PWM using the AnalogPAK as the main control ...
What is PWM (Pulse Width Modulation)? PWM (Pulse Width Modulation) is a technique used to simulate analog voltage levels using a digital output. Instead of varying the actual voltage, PWM rapidly ...
Over long cable runs, an isolated 4-to-20-mA current loop offers robust noise immunity and tolerance. This characteristic makes it popular for analog data transmission in noisy industrial and process ...
Linear Technology Corporation introduces the LTC2645, a quad-channel 12-bit/10-bit/8-bit PWM-to-voltage output digital-to-analog converter (DAC) with 10ppm/°C reference. These parts convert PWM input ...
What is pulse width modulation? Pulse width modulation (PWM) is a powerful digital technique for controlling analog circuits with a microprocessor’s digital outputs. PWM is employed in a wide variety ...
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