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2002-04-19 Write your own generic SPICE Power Supplies controller models
This application note consists of writing your own generic model of the PWM controller and then adapting its intrinsic parameters to comply with the real one being used. Fixed frequency Current Control Mode and Voltage Control Mode models are covered here as well.
2002-04-16 Velocium RZ converter runs up to 12.7Gbps
Specifically targeted for OC-192/STM-64 ultra-long haul, long-haul and metro-fiber systems, Velocium's UCJ106 non-return-to-zero to return-to-zero converter runs up to 12.7Gbps while consuming <1W.
2000-06-01 Using the PWM
This application note provides examples, which illustrate the uses of PWM using the PIC17C42 Timer1 or Timer2 modules. These examples may be modified to suit the specific needs of your application.
2000-05-31 Using PWM to Generate Analog Output
This application note shows how to generate analog outputs by using the cheap pulse width modulators, instead of the more costly, high-resolution DACs.
1999-06-29 Using low power DSP based multi-mode transceiver for GSM+HomeRF+Bluetooth
This article focuses on DSP and software-based multi-mode handset transceiver design that includes architectures of GSM-HomeRF-Bluetooth transceivers, wireless system performance considerations, system component spec. calculation, channel filtering, and power consumption simulation.
2003-12-20 Using DS1050 Programmable PWMs to Control a DC Motor and an LCD LED Backlight
This application note shows examples on how to use the DS1050 as a dc fan controller and as a backlight brightness controller for an LED backlit LCD.
2007-01-16 UHF TV RF modulators shorten time-to-market
Freescale's 3.3V UHF TV RF modulators based on CMOS technology are cost-effective, low-power solutions designed to help shorten design-to-market cycles.
2002-01-21 TQS driver amplifier features low jitter and <15ps edge rates
Specifically designed for high-speed optical network applications, the TGA4802 modulator driver amplifier from TriQuint Semiconductor Inc. features low additive jitter and edge rates of <15ps.
2004-09-15 TI PWM processor offers eight speaker channels
TI unveiled a digital amplifier PWM processor that provides up to eight speaker channels with 48bit processing.
2003-06-29 The most common abbreviations used in the standards for digital TV: MPEG2, DVB and ATSC
This application note provides a list of the most common abbreviations used in the standards for digital TV.
2016-05-16 The ideal union of PAM and Ethernet
Understand how various Ethernet speeds evolved through the utilisation of various pulse amplitude modulation (PAM) schemes.
2002-11-14 TDK 73M223 to FX604 or MX604 migration document
This application note shows how the X604 could be used as a replacement modem device.
2004-03-12 Sipex LDM engineered for DVD video players
The SP8110 laser diode modulator from Sipex features two output channels and a 400MHz on-chip adjustable oscillator.
2001-08-09 Silicon germanium ICs target wireless basestation transceivers
This conference technical paper describes high performance active silicon germanium components designed specifically for wireless basestation applications.
2005-01-03 Signal conditioning for RF modulators
The article explains interface requirements using standard op amps and discrete components in most audio/video appliances.
2005-06-01 Sigma-delta techniques extend DAC resolution
For applications that need more resolution from small or affordable DACs, a sigma-delta modulator can be the solution
2004-02-10 Shanghai Alps receives ISO certification
Shanghai Alps Electronics Co. Ltd, a joint venture of ALPS Electronics Co. Ltd, Shanghai Jinling Co. Ltd, and ALPS (China) Co. Ltd, has obtained ISO 14001 certification.
2004-01-15 RFMD devices suit Sony Ericsson PC card
RF Micro Devices Inc. (RFMD) has begun shipments of a power amplifier module and driver IQ modulator for use in the Sony Ericsson GC82 EDGE PC card.
2002-09-18 PPL delivers 40Gbps amplifiers, driver
The Model 5885 modulator driver is intended to drive LiNbO3 modulators at data rates of up to 43Gbps and requires 400mV of input signal to produce wide-open eye patterns with 7.7V amplitude.
2002-07-09 ON Semi delivers 10Gbps variable swing SiGe driver/receiver
ON Semiconductor has introduced the NBSG16VS 2.5V/3.3V SiGe differential driver/receiver with a variable output swing that can be programmed to provide output amplitudes ranging between 100mVpp to 700mVpp.
2003-08-12 Oki, NTT alliance focus on optical comms business
NTT Electronics and Oki Electric have agreed to form an alliance that centers on the optical communications device market.
2002-05-22 Oki laser module transmits up to 40km
Designed for OC-192-based fiber-optic networks, Oki Semiconductor's OL5150M electroabsorption modulator features an integrated DFB laser and is claimed by the company to transmit data up to 40km.
2002-09-12 Oak PWM integrates frequency synthesizer functionality
Oak Technology Inc.'s PM-1100 PWM integrates a frequency synthesizer to provide enhanced precision sizing and placement of individual pixels in a laser-generated image.
2002-10-04 Multilink ERZ driver allows direct signal generation
Multilink Technology's 10.7Gbps to 12.5Gbps ERZ modulator driver allows direct generation of an RZ data stream using a single modulator device.
2002-10-15 Multilink driver eliminates optical dispersion devices
The MTC5536 9.9Gbps to 11.1Gbps Optical Duobinary modulator driver eliminates the need for optical dispersion devices within the optical link.
2006-02-08 MOSFET designed for pre-bias supply circuitry
Zetex Semiconductors has introduced a high-voltage MOSFET to handle the requirements of pre-bias supply circuitry.
2012-03-09 Modulators, demodulators operate up to 2.4GHz
Richardson RFPD's offerings target wireless infrastructure applications such as 2G, 2.5G and 3G base station radios, high-capacity radio links, WLAN, and aerospace and defense equipment.
2002-02-28 Mitsubishi Electric unveils optical devices for 40Gbps transmission
Mitsubishi Electric has announced the release of a tunable dispersion equalizer, optical modulator, and an MEMS optical switch for long-distance, high-capacity 40Gbps optical transmission.
2007-05-08 Measuring phase, delay errors accurately in I/Q modulators
This Application Note describes a method to accurately measure internal and external phase and timing errors for a high performance direct I/Q modulator.
2015-12-29 Maxim rolls out 16bit 5.9Gsps modulating RF DAC
The MAX5869 is optimised for digital video broadcast and cable applications and meets spectral mask requirements for a broad set of communication standards.
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