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What are VCOs?
Voltage controlled oscillators (VCOs) can be tuned over a wide range of frequencies by applying a voltage (tuning voltage) to it. This type of oscillator is less costly than crystal oscillators, but not as stable.
total search288 articles
2002-04-19 Philips SiGe process targets optical network chips
Philips Electronics has announced the availability of the QUBiC4G semiconductor process that combines high-speed SiGe technology with the passive component integration, substrate isolation, and dense logic capabilities of their QUBiC4 BICMOS process.
2003-12-01 Philips releases Bluetooth SiP solution
Royal Philips Electronics has unveiled the industry's first complete plug-and-play Bluetooth solution in a single, low-cost chip package.
2015-05-20 Phase noise tester upgradeable to signal/spectrum analyser
The R&S FSWP covers a frequency range up to 50GHz, and can quickly and easily measure the phase noise of pulsed sources as well as residual phase noise under pulsed conditions.
2008-06-13 Oscillator in compact package promises improved function
Crystek expanded its line of ultralow phase noise, voltage-controlled oscillators with the introduction of a new coaxial resonator oscillator.
2014-01-23 Optimise CMOS for MEMS-based frequency control
CMEMS fabrication process can be used to fabricate both micro-electromechanical and CMOS electronic devices on a single die.
2015-07-06 Optimise clock synthesis in heterogeneous networks
Learn about new IC architectures that enable lower power, smaller form factor and higher performance small cell clock synthesis.
2008-09-25 NXP tunes into car radio market with low IF tuner systems
NXP Semiconductors introduces the TEF660x series FM/AM tuner, one of the world's first low IF tuners for car radio head units, according to the company.
2003-01-15 New RFIC design company launched
A team of engineers formerly with IBM Microelectronics' Wireless Division have formed a new radio and analog IC design company, Tahoe RF Semiconductor Inc.
2008-01-31 New offerings fuel battle of octal, mid-speed 12bit ADCs
Following close behind the octal mid-speed ADC announcement from TI, National Semiconductor has announced the first of its own roughly similar converters, but with significant architectural and performance differences as well.
2006-09-12 National unrolls 'smallest' multirate video relocker
National Semiconductor Corp. said the LMH0056 is the industry's smallest and lowest power multirate video relocker that supports SD/HD serial digital interface data transmission.
2008-01-25 Multiband tuner enables anytime, anywhere TV viewing
NXP Semiconductors says it has developed the world's first multiband silicon tuner, the first to support the five global TV standards for portable devices and five frequency bands.
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.
2009-09-24 Mixers, demodulators suit 4G base stations
Analog Devices Inc. has begun sampling the first devices in a range of highly integrated RFICs for 4G cellular base stations.
2011-09-02 Mixed domain oscilloscope features spectrum analyzer
TI has claimed an 'industry first' with an oscilloscope that can capture time-correlated analog, digital and RF signals.
2002-04-30 Microchip Technology encoders provide KEELOQ security feature
The rfHCS362G and rfHCS362F wireless encoders from Microchip Technology integrate a built-in RF transmitter that feature the company's KEELOQ access control system.
2002-08-16 ME Ethernet transceiver uses SOI-CMOS technology
Mitsubishi Electric's M69850 is claimed to be world's first 10Gb Ethernet PHY transceiver that uses SOI-CMOS technology.
2005-11-11 Maxim's TQFN-packaged DACs save 'considerable' board space
Maxim Integrated's MAX5548 and MAX5550 devices are dual, 30mA, current-output DACs housed in a 3-by-3mm TQFN package
2002-10-01 Maxim zero-IF transceiver has 7-by-7mm footprint
Maxim's MAX2820 SiGe zero-IF transceiver is available in a 48-pin QFN leadless package with a footprint of 7-by-7mm.
2004-12-06 Maxim unveils transceivers for 802.11a, 802.11a/g apps
Maxim released two single-chip RF transceivers designed for single-band 802.11a and dual-band 802.11a/g WLAN apps.
2002-05-31 Maxim transmitter has on-chip sigma-delta fractional-N synthesizer
The MAX2150 broadband RF transmitter IC from Maxim Integrated Products integrates an on-chip sigma-delta fractional-N synthesizer that has up to 28 bits of fractionalization, allowing 100mHz frequency resolution over 700MHz to 2.3GHz.
2003-02-06 Maxim superhet receiver offers -114dBm sensitivity
The MAX1473 300MHz to 450MHz superheterodyne ASK receiver features -114dBm sensitivity and >50dB user-selectable center frequency image rejection.
2002-01-16 Maxim serializer converts 622Mbps parallel data to 2.5Gbps serial data
The MAX3892 3.3V, 2.5Gbps/2.7Gbps 4:1 serializer with clock synthesis and LVDS inputs is suitable for converting 4-bit-wide 622Mbps parallel data to 2.5Gbps serial data in DWDM and SDH/SONET applications.
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.
2004-05-04 Maxim receiver with -114dBm sensitivity
Maxim Integrated Products has introduced its newest 300MHz to 450MHz superheterodyne ASK receiver.
2007-06-19 MAX2470/MAX2471 Couple MIMO transceiver reference clocks
This application note shows the basic operation and techniques for coupling reference clocks in a MIMO transceiver.
2005-04-13 Marvell touts WLAN solutions at IIC-China
Marvell Semiconductor presented its WLAN solution including 801.11g(b) access point/gateway and WLAN embedded solutions during the IIC-China Conference in Shenzhen.
2007-08-03 Low-cost satellite TV tuner suits DVB-S, free-to-air apps
The MAX2120 satellite TV tuner is suitable for DVB-S and free-to-air applications in which low cost and ease of use are key requirements.
2007-02-19 Low-cost PS2 controller matches Sony's version sans the cord
The Game Elements GGE609U PS2 controller from Philips, available for about $22 to $25, matches up in price and function with Sony's own wired controller but dispenses with the cord.
2008-06-24 ISM-band transceiver integrates power amplifier
RF Micro Devices Inc. has released the industry's first 5.8GHz ISM band transceiver with an integrated power amplifier.
2011-06-10 IQ modulators targets wireless, wireline apps
RFMD has released two low power IQ modulators, the RFMD2080 and RFMD2081, that can generate output frequencies from 45MHz to 2700MHz.
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