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Pulse-width modulation - Wikipedia, the free encyclopedia
PWM works well with digital controls, which, because of their on/off nature, can ... Many digital circuits can generate PWM signals (e.g. many microcontrollers have PWM outputs) ...
http://en.wikipedia.org/wiki/Pulse-width_modulation
DPRG: A Simple PWM Circuit Based on the 555 Timer
Founded in 1984, the DPRG is one of the nation's oldest personal robotics groups. ... The overall frequency of the PWM signal in this circuit is determined by the values of R1 ...
http://www.dprg.org/tutorials/2005-11a/index.html
PWM Motor Speed Controller / DC Light Dimmer
A PWM circuit works by making a square wave with a variable on-to-off ... The main advantage of a PWM circuit over a resistive power controller is the ...
http://www.solorb.com/elect/solarcirc/pwm1/
Pulse Width Modulators (PMW) electronic circuits, page 1
The most efficient way to do this is with a pulse width modulation (PWM) technique. The hobby circuit below can operate from about 3 volts to 15 volts. ...
http://www.discovercircuits.com/P/pwm.htm
AC/DC and DC/DC Power Supplies - PWM Power Supply Controllers ......
Download a datasheet or document on TI's TL494 AC/DC and DC/DC Power Supplies, from the PWM Power Supply Controllers collection of analog and digital product folders.
http://focus.ti.com/docs/prod/folders/print/tl494.html
Triple-Channel PWM Control Circuits
The TPS5100 is a triple PWM control circuit, primarily designed to compose the power ... Each PWM channel has own error amplifier, PWM comparator, dead-time control and output ...
http://www.farnell.com/datasheets/33440.pdf
Pulse Width Modulation
CIRCUIT. PWM.CIR Download the SPICE file. One of the biggest problems with delivering power ... time-constant of the load, then PWM has a potential application. ...
http://www.ecircuitcenter.com/Circuits/pwm/pwm.htm
LED Dimmer Circuit - Lighting
Find out how to put together a simple but efficient PWM dimmer circuit for LEDs
http://www.reuk.co.uk/LED-Dimmer-Circuit.htm
Pwm Circuit-Pwm Circuit Manufacturers, Suppliers and ...
Choose quality Pwm Circuit Manufacturers, Suppliers, Exporters at alibaba.com. ... inverter circuit, ups circuit, integrated circuit, ventilator circuit, fm circuit, ...
http://www.alibaba.com/showroom/pwm-circuit.html
PWM Circuit | History of the PWM Integrated Circuit - SG1524 ......
A pulse-width modulation control chip invented in 1975 spurred the development of switching power supplies, leading to a power control IC industry that today is ...
http://powerelectronics.com/power_management/pwm_controllers/power_pwm_single_chip/








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