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2002-08-02 Pletronics clock oscillator gets an update
Pletronics Inc. has replaced its SM1145JM fixed-frequency (32.768kHz) clock oscillator with the S3883 series.
2002-08-06 Dallas ships all-silicon frequency synthesizer
The DS1085 can generate dual synchronous output frequencies over 8kHz to 133MHz, without the use of external crystals, resistors, or other discrete components.
2002-06-06 Dallas oscillator runs up to 133MHz sans external components
The DS1077 programmable oscillator from Dallas Semiconductor Corp. generates dual synchronous output frequencies from 8kHz to 133MHz without the use of external components
2009-06-10 Oscillators deliver 150ppm frequency stability
Crystek has launched the new RF Pocket Reference Oscillator, claimed to be the first frequency control product to integrate a complete True SineWave SAW oscillator in a rugged SMA housing
2008-11-20 Frequency synthesis and planning for PLL architectures
In many applications, it is desired to generate a set of frequencies from a single source frequency. This source could be a temperature controlled crystal oscillator, a clock recovered from data, a recovered signal from GPS, or anything else that generates a fixed frequency.
2004-11-05 Tiny VCO supports wide frequency range
Challenged to develop a miniature VCO with comparable performance to larger packages, Crystek Crystals launched its smallest VCO package.
2009-03-16 Silicon oscillator reduces peak radiated EMI
Linear Technology is offering a precision silicon oscillator that significantly reduces peak radiated EMI and improves control of switching regulators in multiphase power supplies
2000-11-01 Plan to avoid 3G frequency spurs
Designers of 3G must avoid spurious responses and adopt architectures that allow high levels of IC integration. A fundamental part of design is frequency planning to minimize the problems of duplex operation
2008-06-26 Oscillator streamlines power design
The STCL1120 family of silicon oscillators from STMicroelectronics combines fast start-up and high immunity to shock, vibration and EMI with lower operating current and a chip-select control for easier and more efficient power management compared to other silicon-based devices.
2010-01-20 High quality, all-digital RF frequency modulation generation with the ADSP-2181 DSP and the AD9850 direct digital synthesizer
This application note describes the implementation of a high quality all-digital FM RF generator for use with audio frequency input signals
2003-07-04 Dallas single-chip oscillator reduces EMI to 20dB
Dallas Semiconductor has introduced the DS1087L spread-spectrum EconOscillator, which is claimed to be the world's only 3V single-chip oscillator that requires no programming
2004-02-19 Dallas oscillator requires no external outputs
Dallas Semiconductor has introduced the DS1099 low-cost, low-power and low-frequency EconOscillator
2010-08-13 CRO tips frequency doubling for low phase noise, harmonics
The coaxial resonator oscillator is a VCO that offers improved performance and lower current consumption for is suited for applications such as digital radio equipment, fixed wireless access, satellite communications systems,and base stations
2013-04-17 Coaxial-based VCO boasts frequency doubling feature
The oscillatoroperates at 6400MHz with a tuning voltage range of 0.3 Vdc to 4.7 Vdc and it features a typical phase noise of -100 dBc/Hz @ 10kHz offset and has good linearity.
2008-09-05 Oscillator handles 75-85MHz frequency range
Crystek Corp. has introduced the CVCO55FL-0075-0085 voltage controlled oscillator (VCO) that operates from 75 to 85 MHz with a control voltage range of 0.5 V to 4.5 V
2014-02-03 Epson rolls out low-jitter programmable VCXOs
The VG7050EAN and VG7050ECN can be programmed over a range of 50-800MHz, achieve a jitter of 0.27ps at 622.08MHz and power consumption of 70mA at 3.3V.
2000-11-01 Signal leakage mires conversions
This article reviews superheterodyne tuning techniques and offers pointers for more streamlined implementations.
2005-03-30 Oscillators minimize board space
Linear Tech's newest family of silicon oscillators promises to provide a simple, compact and robust timing solution for FPGAs, CPLDs, microprocessors and DSPs.
2006-07-26 Oscillators deliver accurate performance, low cost
Fox Electronics released new configurable crystal oscillators that promise more accurate performance over a wide range of parameters, at a lower cost than fixed frequency oscillators
2013-09-09 Designing magnetic solenoid driver circuits
Read about the design of current-controlled, intelligent magnetic solenoid driver circuits.
2004-12-14 Dallas rolls out replacements for crystal-based oscillators
Dallas' new all-silicon EconOscillator is a single-output square-wave generator, factory-trimmed for output frequencies ranging from 312kHz to 133MHz.
2010-03-17 Current-mode controllers come in 100/133kHz versions
ON Semiconductor has introduced the NCP1237, NCP1238 and NCP1288 fixed-frequency, current-mode controller ICs that include built-in 65kHz oscillator and 100kHz and 133kHz versions.
2014-09-17 Clock multiplier, jitter attenuator ICs target comms apps
The ZL30252 and ZL30253 from Microsemi give communication equipment customers a timing solution that meets industry-leading jitter performance imposed by the latest 100Gb/s PHY devices.
2012-09-27 Choosing the right timing device (Part 1)
Learn about the key parameters affecting oscillator performance, including frequency, frequency stability, signal mode, jitter and reliability
2003-12-01 Z-Communications VCO with -86dBc/Hz spectral signal
The SMV5256A voltage-controlled oscillator from Z-Communications operates at a frequency range of 5.256GHz to 5.356GHz
2005-10-03 TI kit cuts WI development time
Texas Instruments recently introduced an easy-to-use radio frequency (RF) transmit signal chain demonstration kit that promises to speed time-to-market by cutting development time, risk and cost in wireless infrastructure apps
2009-01-23 Taking the wrap off a 50-year old radio
The RT-159A, a crude tool by today's standards, provided a simple but critical function, transmitting a fixed tone or a pilot's voice in a rescue request
2003-02-14 Seiko Epson VCSO provides direct oscillation at 3GHz
The EV-3104 VCSO from Seiko Epson Corp. provides direct oscillation and output in the 2GHz to 3GHz band.
2013-05-14 Identify interference in complex RF environments
One RF recording technique that may prove particularly useful in addressing this problem is gapless capture.
2004-05-19 Crystek 5GHz VCO available in SMD package
Continuing to expand the frequency range of its high-performance voltage-controlled oscillator (VCO) lines, Crystek Crystals Corp. has added a new 5GHz model in a 1.27-by-1.27cm standard surface-mount package to its CVCO55 family
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