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2011-04-19 TRF372017 noise analysis: modulator noise estimation from output noise
Know how to determine the output noise at the RF port of Texas Instruments' TRF372017 integrated IQ modulator device.
2004-09-08 TI modulator has 100dB dynamic range
Texas Instruments developed the industry's first quad delta-sigma modulator featuring 100dB dynamic range, 16-bit resolution and a single 5V supply.
2003-01-15 TI current shunt modulator eyes motor control apps
The ADS1202 current shunt modulator features a 16-bit resolution, 80dB dynamic range, and provides current measurements for motor control apps.
2001-04-05 The NE568A as a wideband FM modulator
This application note describes how to employ Philips Semiconductors' NE/SA568A as a wideband linear FM modulator at frequencies up to 140MHz.
2004-05-10 STMicro to launch licensable DVB-S modulator
STMicroelectronics said it has begun offering a licensable modulator design based on the new DVB-S2 specification.
2012-11-20 Spatial light modulator enhances signal over 10 Gbit/s
A micron-scale spatial light modulator can significantly enhance the performance of optical information processing systems, according to researchers at Rice University.
2005-02-01 SiGe direct modulator for multiband upconversion
Recent advances in RF chip technology lead to a resurgence of interest in direct conversion architectures.
2001-04-05 SA900 I/Q transmit modulator for 1GHz applications
This application note reviews the basic concept of I/Q modulation and discusses the key points when designing the SA900 universal in-phase and quadrature (I/Q) modulator for an RF transmitter.
2009-08-14 RF modulator tailored for WiMAX, satellite comms
CML Microcircuits has released a new wideband RF I/Q modulator IC targeting designers of broadband WiMAX and any other wideband wireless infrastructure systems.
2007-12-10 Researchers tout Mach-Zehnder electro-optic modulator
IBM researchers have described a Mach-Zehnder electro-optic modulator that will pave the way for multiprocessing chips with optical routing networks for the transmission of information.
2007-09-07 Radar test devices add pulse modulator capability
Aeroflex has added an internal pulse modulator capability to its 6810 and 6820 Series microwave signal generators and scalar analyzers.
2000-06-13 Quadrature Modulator/Demodulator IC Covers Baseband to 250MHz
This technical note examines the RF2703, a quadrature modulator/demodulator monolithic chip that performs frequency conversion (upconversion and downconversion) to and from the baseband frequency.
2006-06-14 Quadrature modulator targets IF, RF apps
ADI's new quadrature modulator operates from 50MHz to 2200MHz, making it well-suited for low intermediate frequency and radio frequency applications.
2005-11-16 Quadrature modulator offers base station system cost savings
The new quadrature modulator from Linear Tech is optimized for 850MHz to 965MHz GSM, cdma2000, ISM and RFID modulator applications.
2007-01-31 Quadrature modulator enables high-performance GSM base stations
A new high-performance quadrature modulator from Linear Technology is optimized for 850MHz to 965MHz GSM, CDMA2000, ISM and RFID modulator applications.
2009-06-02 Power modulator simplifies base station design
Nujira Ltd is offering the digital pre-distortion (DPD) version of its Coolteq-h power modulator that simplifies the design of cellular base stations.
2000-06-09 Optimization of Quadrature Modulator Performance
This application note presents a derivation showing the relationship among the four parameters for quadrature modulators, including carrier suppression, sideband suppression, amplitude error and phase error.
2008-12-04 Optically isolated modulator gauges motor phase current
Avago Technologies has developed an optically isolated sigma-delta modulator that uses an external clock to provide direct measurement of motor phase currents in power inverters.
2006-02-16 Optical modulator leaps size, power bars
Electrical engineers at the University of Texas have demonstrated what they claim is the world's smallest silicon modulator.
2012-03-22 Optical modulator geared for 40G, 100G systems
The GX6255 from GigOptix is an SMT Mach-Zehnder modulator designed for both the 40G RZ-DQPSK and the 100G DP-QPSK metro and long haul transponders.
2003-01-23 Optical modulator features lowest drive voltage
Fujitsu Ltd has introduced a 40Gbps LN optical modulator that has a drive voltage of 1.8V, which is considered to be the industry's lowest.
2002-02-05 Oki builds a 40Gb modulator in GaInAsP
Oki Semiconductor this week announced electroabsorption modulators for 40Gbps traffic, devices that company officials claim takes advantage of Oki's semiconductor-process knowledge.
2002-02-15 Multilink modulator driver occupies less board space
Manufactured using the company's Micro-Module technology, the MTC5529 12.5Gbps NRZ modulator driver is claimed to provide a 75 percent reduction in board area utilization.
2008-08-25 Modulator transmits 4GHz RF output
Texas Instruments Inc. has announced a high-linearity, ultralow noise quadrature (IQ) modulator that delivers RF output transmission up to 4GHz, allowing service providers to easily support multiple wireless communications standards on a single RF transceiver card.
2009-05-06 Modulator improves wireless transmitter performance
From Linear Technology Corp. comes a new low frequency direct conversion quadrature modulator that offers superior linearity performance and low noise to enhance the dynamic range performance of base station transmitters.
2004-11-29 Modulator enables cheaper 3G wireless base station transmitters
The new direct conversion modulator from Linear Tech enables the design of next generation, less costly 3G wireless base station transmitters.
2012-01-13 Modulator driver targets 40G, 100G apps
The 28Gb/s GX6262 features low RMS jitter degradation and is designed for long-haul optical transmitters.
2008-06-27 Modulator driver improves manufacturability
Designed to improve manufacturability, GigOptix's Mach-Zehnder modulator driver dubbed as GX6155 is targeted at 10Gbit/s 300-pin transponder applications for long haul and metro communication links.
2006-05-23 Modulator directly converts from baseband to 900MHz
A quadrature modulator from Linear Tech is designed for direct conversion from baseband to the 850-965MHz frequency band.
2009-04-27 Modulator combines four devices in one chip
Analog Devices Inc. has added a highly integrated modulator in its broad portfolio of RF ICs, for broadband satellite communications applications, such as very small aperture terminals.
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