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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
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.
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.
2013-03-06 Benefits of digital RF modulators to CCAP
Know the concept and advantages of a digital quadrature amplitude modulation modulator that uses the direct-RF architecture to enable a cable access platform system.
2014-06-05 Analog expands RF platform with modulator, demodulator
The devices are designed for 3G/4G communication, microwave PtP radios, military/aerospace and instrumentation applications.
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.
2005-05-16 Tackling RF, mixed-signal integration
As mixed-signal and analog RF circuits are slowly integrated in today's chip designs, designers have to face many challenges
2008-05-27 Super-Nyquist operation of the AD9912 yields a high RF output signal
This application note by Ken Gentile demonstrates how adequate band-pass filtering enables frequency synthesis at 1.615GHz and beyond for Analog Devices' AD9912 modulator
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.
2003-03-20 Richardson to distribute Celeritek RF line globally
Celeritek Inc. has named Richardson Electronics Ltd as the sole worldwide distributor for its complete line of RF semiconductor products
2010-03-22 RF transceivers handle 470-510MHz short-range apps
Micrel Inc. has released the latest member of its family of low-cost, low-power, 410 to 950MHz FSK RF transceivers
2014-06-19 RF design staple finds use in quantum computing
With the ability to create any waveform imaginable for a wide range of applications, arbitrary waveform generators are being used to work out the manipulation of qubits to develop quantum computers.
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
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
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.
2004-11-24 National DC/DC converters target RF power amplifiers
National launched a family of DC/DC converters that is designed for powering RF power amplifiers from a single Li-ion battery
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
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.
2006-08-08 Microsemi expands RF power MOSFET line
Microsemi has announced the addition of the DRF100 and DRF1200 to its family of high-voltage, flangeless-packaged RF MOSFET Power Products
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.
2002-05-07 Linear Tech RF chipset operates down to 1.8V
Linear Technology Corp.'s 1.8GHz to 2.7GHz RF transceiver chipset operates from 1.8V to 5.25V, and suitable for use in 802.11b-compliant and non-compliant 802.11 systems in the 2.4GHz ISM band
2007-06-15 Interfacing RF I/Q modulators with popular DACs
The purpose of this application note is to illustrate the circuits required to interface these modulators with several popular DACs.
2007-06-19 Interfacing RF I/Q modulators with popular D/A converters
The purpose of this application note is to illustrate the circuits required to interface RF I/Q modulators with several popular D/A converters
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