Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), is any method of representing a signal as...
29 KB (3,918 words) - 09:05, 22 November 2024
Pulse-position modulation (PPM) is a form of signal modulation in which M message bits are encoded by transmitting a single pulse in one of 2 M {\displaystyle...
9 KB (1,242 words) - 04:34, 22 May 2024
Pulse-amplitude modulation (PAM) is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses...
10 KB (1,094 words) - 17:12, 23 April 2024
Random pulse-width modulation (RPWM) is a modulation technique introduced for mitigating electromagnetic interference (EMI) of power converters by spreading...
13 KB (1,645 words) - 14:17, 28 May 2024
Pulse-frequency modulation (PFM) is a modulation method for representing an analog signal using only two levels (1 and 0). It is analogous to pulse-width...
4 KB (554 words) - 03:01, 9 October 2024
The pulse width is a measure of the elapsed time between the leading and trailing edges of a single pulse of energy. The measure is typically used with...
3 KB (347 words) - 18:46, 19 July 2024
Pulse-density modulation, or PDM, is a form of modulation used to represent an analog signal with a binary signal. In a PDM signal, specific amplitude...
10 KB (1,450 words) - 23:22, 14 February 2024
methods Pulse-amplitude modulation (PAM) Pulse-width modulation (PWM) and pulse-depth modulation (PDM) Pulse-frequency modulation (PFM) Pulse-position...
24 KB (3,050 words) - 14:48, 27 September 2024
PC speaker (section Pulse-width modulation)
systems or games, could play pulse-code modulation (PCM) sound through the PC speaker using special Pulse-width Modulation techniques explained later in...
13 KB (1,448 words) - 09:42, 29 April 2024
who wrote software to modulate the duration of and between pulses (pulse-width modulation or "PWM", via a process now often referred to as "bit banging")...
8 KB (1,130 words) - 05:15, 15 May 2024
Servo control (section Pulse duration)
the servo a PWM (pulse-width modulation) signal, a series of repeating pulses of variable width where either the width of the pulse (most common modern...
6 KB (856 words) - 18:59, 26 April 2024
cycle. The pulse wave is used as a basis for other waveforms that modulate an aspect of the pulse wave, for instance: Pulse-width modulation (PWM) refers...
6 KB (725 words) - 16:34, 20 February 2024
device is conducting may be adjusted so a pulse-width modulation output (or other frequency based modulation) can be obtained from the stage. Additional...
34 KB (5,101 words) - 17:23, 24 November 2024
Space vector modulation (SVM) is an algorithm for the control of pulse-width modulation (PWM), invented by Gerhard Pfaff, Alois Weschta, and Albert Wick...
7 KB (539 words) - 03:05, 18 February 2024
Computer fan control (section Pulse-width modulation)
waste heat that is produced will be roughly P = (Vin - Vout) Iout. Pulse-width modulation (PWM) is a common method of controlling computer fans. A PWM-capable...
18 KB (2,320 words) - 18:19, 27 June 2024
lamp flashers, pulse generation, pulse-width modulation (PWM), logic clocks, tone generation, security alarms, pulse-position modulation, etc. Analog-to-digital...
57 KB (4,799 words) - 02:39, 15 September 2024
Class-D amplifier (section Signal modulation)
between the supply rails, using pulse-width modulation, pulse-density modulation, or related techniques to produce a pulse train output. A simple low-pass...
15 KB (2,069 words) - 18:26, 17 September 2024
This case is dubbed sinusoidal pulse-width modulation (SPWM).For this, the modulation index, or amplitude-modulation ratio, is defined as ma = vc/v∆...
61 KB (8,057 words) - 23:18, 4 November 2024
Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs...
34 KB (4,083 words) - 14:50, 19 November 2024
PWM rectifier (Pulse-width modulation rectifier) is an AC to DC power converter, that is implemented using forced commutated power electronic semiconductor...
2 KB (170 words) - 21:53, 19 June 2024
Duty cycle (redirect from Pulse ratio)
1/100 of the time, then, its duty cycle is 1/100, or 1 percent. Pulse-width modulation (PWM) is used in a variety of electronic situations, such as power...
8 KB (990 words) - 17:24, 9 April 2024
differential pulse-code modulation (DPCM) where the difference between successive samples is encoded into n-bit data streams. In delta modulation, the transmitted...
12 KB (1,578 words) - 16:24, 16 February 2024
techniques namely: Pulse-width modulation Frequency modulation Variable frequency, variable pulse width CLC control In pulse-width modulation the switches are...
11 KB (1,545 words) - 13:19, 4 October 2024
oscillators are used: Pulse-width modulation is applied to both waveforms to create a more complex tone with vibrato: The pulse-width modulated sounds are...
8 KB (756 words) - 16:29, 13 July 2024
Rotary dial (section Push-button pulse dialing)
mechanical and digital, and which uses both pulse count and pulse width modulation for communicating, pulse dialing is a digital communication method used...
23 KB (3,042 words) - 17:14, 26 August 2024
Halftone (section Modulation)
only one color of ink, in dots of differing size (pulse-width modulation) or spacing (frequency modulation) or both. This reproduction relies on a basic optical...
26 KB (3,177 words) - 03:45, 6 November 2024
The Vienna Rectifier is a pulse-width modulation rectifier, invented in 1993 by Johann W. Kolar at TU Wien, a public research university in Vienna, Austria...
9 KB (1,099 words) - 19:05, 2 September 2024
and off rapidly, the IGBT can synthesize complex waveforms with pulse-width modulation and low-pass filters, thus it is also used in switching amplifiers...
32 KB (3,513 words) - 19:43, 15 November 2024
Charlieplexing (section Pulse-width modulation)
switches called Tucoplexing. Charlieplexing can even be used with pulse-width modulation to control the brightness of 12 LEDs with 4 pins. In the following...
62 KB (7,012 words) - 23:03, 13 November 2024
good and distortion low when properly adjusted. Pulse-width modulation (PWM) or pulse-duration modulation (PDM) A highly efficient high voltage power supply...
35 KB (4,575 words) - 15:17, 3 November 2024