What is pulse width modulation (PWM)?
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| 2012-04-04 | Create sounds using analogue electronics (Part 6) There are other methods of analogue synthesis, including amplitude modulation, frequency modulation, formant synthesis, ring modulation, ringing circuits and other technologies. |
| 2012-01-31 | TI dual ADC AFEs tip 70dB SNR Texas Instruments' 12bit AFE7225 and AFE7222 analogue front-end mixed-signal modules offer independent transmit and receive, 32bit numerically controlled oscillators, serialised LVDS I/O options, and independent transmit/receive quadrature modulation correction. |
| 2011-07-26 | V.42-LAPM operation Know how to implement a V.22 bis 2400 bit/s modem with the Teridian 73M2901CE integrated circuit. |
| 2011-07-15 | 73M2901CE caller ID support The Teridian 73M2901CE integrated circuit modem provides all the microprocessor control, and modulation and demodulation functions required to implement a V.22 bis 2400 bit/s modem. |
| 2011-07-08 | MTU2 asymmetric complementary PWM output Here's a document by Renasas Electronics that describes a sample program for outputting an asymmetric complementary pulse width modulationwaveform. |
| 2011-05-18 | 73M2901CE line-in-use / parallel pick up detection Here's a look at the various features of 73M2901CE integrated circuit modem that provides microprocessor control, modulation, and demodulation functions. |
| 2011-04-21 | Agilent vector signal analysis basics Here's a primer on vector signal analysis. It discusses VSA measurement concepts and theory of operation, as well as vector modulation analysis and, specifically, digital-modulation analysis. |
| 2011-04-18 | Making custom OFDM measurements using 89600B VSA software Learn how to configure the Agilent 89600B vector signal analysis software with Option BHF custom OFDM modulation analysis to analyse and troubleshoot new, custom, proprietary, generic, or non-standard OFDM signals. |
| 2011-02-08 | Avoiding audible noise at light loads when using PFC converter This application note applies to Texas Instruments' average current mode, modulation PFC controllers. |
| 2011-01-21 | Temp sensor IC optimised for LED efficiency Seiko Instruments reveals the S-5855A series PWM output temperature sensor IC designed for LED lighting systems in PC laptops, tablets or other devices requiring temperature control. |
| 2010-12-16 | Optical sensor combines proximity, light detection Vishay integrates several components to create an optical sensor with dual functions of proximity and ambient light detection targeting smart phones, GPS, and other applications. |
| 2010-11-30 | LED controller improves efficiency with PF correction TI rolls out the TPS92210, a single-stage, TRIAC-dimmable LED lighting pulse width modulation (PWM) controller solution that offers single-stage power factor correction for improved efficiency. |
| 2010-10-29 | Audio codecs feature 3-state class-D modulation Audio codecs feature 3-state class-D modulation |
| 2010-09-29 | Compact PWM clock covers 3.81Hz to 1MHz frequency Linear debuts the LTC6992 silicon oscillator, the latest member of the TimerBlox family that offers simple and accurate pulse width modulation (PWM) capability for output frequencies from 3.81Hz to 1MHz. |
| 2010-02-15 | MC13783 switcher settings to optimise ±1MHz ModORFS performance This application note aims to provide the customer with recommendations concerning MC13783 switcher supply settings, which could degrade output RF modulation spectrum performance on the RFX 300-30 platform. |
| 2009-12-15 | Drivers bring compactness, dimming for LEDs The LED drivers offer analogue and pulse width modulation (PWM) dimming with a typical efficiency of 95 per cent. |
| 2009-11-30 | PWM controller handles 15W-65W output power The controller's frequency and peak current modulation creates efficiency levels of 85 per cent at full load and high efficiency over the entire load range. |
| 2009-10-27 | Consumer/industrial—voice player with ADPCM decoder This application note presents details about a device that plays a voice recording downloaded to the external flash memory via a USB interface. Adaptive differential pulse-code modulation (ADPCM) is used for sound compression. |
| 2009-10-12 | 16bit DAC supports GSM, W-CDMA, WiMAX ADI's dual-channel, 1.2GSps, 16bit DAC supports high data rates and complex modulation schemes required for multi-carrier wireless and broadband communications equipment. |
| 2009-04-29 | Modulation for LED dimming Modulation for LED dimming |
| 2009-04-28 | Sort test issues for emerging wireless designs Grasp some of the issues which impact testing of mixed-signal and RF packages. |
| 2009-04-09 | DSM with HB LED controllers Here's an overview of delta sigma modulation used in LED dimming applications. |
| 2009-03-13 | Optical test instrument touts new analysis tools Agilent has announced what it claims is the industry's first time-domain based optical modulation analyser. |
| 2009-02-05 | Using SPWM eTPU function Here are C interface routines to the synchronised pulse-width modulation eTPU function. |
| 2008-12-18 | PWM operating at different levels of frequency, power Learn how to implement a PWM with three op amps from a single quad-op-amp chip. |
| 2008-11-05 | Frequency switching for switching-supply EMI reduction Learn about multi-phase synchronisation and spread spectrum frequency modulation for reducing EMI emissions. |
| 2008-10-31 | Adaptive equalisation in vector signal analysis software Read this demo guide on the equaliser in 89600 VSA vector modulation analysis software. |
| 2006-06-26 | Optimise RF PA efficiency to improve handset's talk-time DC-DC switching converters improves average PA efficiency based on typical RF power transmit probability distributions for WCDMA systems. |
| 2008-10-20 | Six-phase controllers enhance energy efficiency ON Semi has introduced the first 6-phase Pulse Width Modulation (PWM) controllers. |
| 2008-10-17 | Implementing multi-carrier CDMA2000 Determine the feasibility of multi-carrier CDMA2000 transceiver and the necessary major sub-system performances. |
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