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VCO What are VCOs? Search results

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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
2005-05-02 Clock generators offer high versatility
IDT's new programmable clock generators leverage the EEPROM-based programmable platform from previous generations of IDT programmable clocks along with an enhanced, multi PLL architecture.
2009-04-28 Clock generators achieves 500fs RMS jitter
Texas Instruments Inc. has unveiled three new precision clock generators that have a crystal input, replacing up to four discrete high-frequency crystal oscillators with a single device.
2008-04-23 Clock generator suits high-speed system equipment
Maxim Integrated Products has introduced the MAX3674 wide-frequency-range, dual-output clock generator for high-speed system equipment.
2005-05-27 Clock extraction circuitry times high-speed communications test
What you need to know when testing digital communications systems.
2007-05-15 Chipset for cable modems supports Docsis 3.0
Anadigics Inc. has developed an RF front-end chipset for cable modems designed to meet the new DOCSIS 3.0 standard.
2003-11-04 Chipcon RF transmitter targets multi-channel apps
Chipcon AS has launched the CC1070 RF transmitter that is a single-chip, low-power, narrowband and multi-channel CMOS RF transmitter for the 402MHz to 470MHz and 804MHz to 940MHz frequency ranges.
2006-06-06 Chip customizes power management for cellphones
Semtech's SC905 family of power management ICs feature nine ultralow dropout regulators that individually source from 80-300mA for cellphone apps.
2004-12-27 Chinese company develops complete RFIC transceiver
Comlent announced it is the first Chinese company to successfully develop a whole RFIC transceiver and power amplifier chipset for PHS/PAS handsets.
2004-12-24 Chinese company develops complete RFIC transceiver
Comlent, a fabless RFIC design house, announced Tuesday (Dec. 21) it is the first Chinese company to successfully develop a whole radio-frequency integrated circuit (RFIC) transceiver and power amplifier (PA) chipset for PHS/PAS handsets.
2005-01-31 China maker begins sampling RFIC transceivers
China-based Rising Micro Electronics Co. Ltd (Rising) has started sampling its first SCDMA/GSM dual mode RFIC transceiver for the SCDMA wireless standard.
2007-01-30 China firms mount FM tuner face-off
Two Shanghai companies are tuning in to the FM radio chip market, hoping to challenge market leaders with their own CMOS-based offerings.
2007-03-16 China firms challenge radio chip market leaders
Two Shanghai-based companies are tuning in to the FM radio chip market, hoping to challenge market leaders NXP Semiconductors and Silicon Laboratories with their own CMOS-based offerings.
2007-11-22 CEVA, ROHM co-develop Bluetooth 2.0+EDR ref design
CEVA Inc. and ROHM Co. Ltd have partnered to offer a complete reference design platform for Bluetooth 2.0+EDR.
2005-08-15 Build a differential circuit for OC-18 clock- and data-recovery
The key is understanding the tradeoffs associated with the potential modulation schemes.
2012-05-16 Broadband RF mixer tips 26.9dBm IIP3 on 294mW
Linear Technology's LTC5567 300MHz to 4GHz downconverting broadband RF mixer features 2.5GHz IF bandwidth for 4G wireless base stations and high dynamic range receiver applications.
2014-11-28 Boost data rates with clock generators
To meet the intensifying demands for higher data rates, high-speed networking and data centre equipment calls for frequency-flexible clock generator IC solutions to support faster data rates.
2002-12-12 Bluetooth radio decreases noise interference
The MC72000 integrated Bluetooth is designed to increase radio operating range and decrease interference in wireless systems.
2006-01-10 Atmel, Eleven Engineering collaborate on Hi-Fi audio solution
Atmel and Eleven Engineering announced the availability of a Hi-Fi digital wireless audio solution, which integrates the ATR2406 2.4GHz ISM-band single-chip transceiver and the XInC2 wireless processor.
2004-12-03 Atmel transceiver IC with -93dBm sensitivity
Atmel's new 2.4GHz transceiver IC is especially designed for digital cordless telephone apps.
2002-12-20 Atmel ships two-way RF communications chipset
The company's UHF RF wireless on/off key transceiver chipset is based on the AT86RF401 Smart RF microtransmitter and its T5744 receiver.
2007-03-06 Atmel rolls out RF chipset for cordless phones
Atmel has announced the availability of a RF chipset combining the ATR2820 SiGe transceiver IC and the ATR7040 high-gain PA, promising the highest integration level for cordless telephone applications in the 5.8GHz frequency band.
2004-09-23 Atmel RF solution eyes 5.8GHz cordless phones
Atmel's new high-performance RF solution is for digital cordless phones operating at the license-free 5.8GHz frequency band.
2002-02-20 Atmel multichip RF receiver IC is multitalented
An RF remote-control receiver from Atmel Corp. can be used in keyless-entry, telemetering, and security systems.
2005-01-05 Atmel driver IC tailored for POD systems in TPMS apps
Atmel rolled out its new 125kHz BCDMOS antenna driver IC designed for automotive pressure-on-demand systems in tire-pressure monitoring system apps.
2004-10-28 Atmel antenna driver IC eyes POD systems in TPMS apps
Atmel announced its 125kHz BCDMOS antenna driver IC that is designed for automotive POD systems in Tire-Pressure Monitoring System apps.
2002-10-28 As arrival of combo WLAN chips near, 802.11b spike is expected
Some chip and systems makers are reporting an uptick in the growth rate of 802.11b WLAN capability in notebook computers, just as a transition to next-generation WLAN products nears.
2013-06-04 Anritsu to showcase VectorStar platform at IMS 2013
The VectorStar platform is touted to be a solution for device characterisation, as well as solutions for measuring components and sub-systems used in radar and wireless network applications.
2002-02-05 Alpha sampling phase detectors operate up to 22GHz
Claimed to be the industry's first surface-mount sampling phase detectors to utilize a unique hybrid assembly design, the SPD family is designed for use in VSAT and LMDS applications that operate in the 18GHz to 22GHz range.
2010-09-30 All-weather data acquisition modules support SMC, PCIe
Pentek delivers four new modules in both PCIe and XMC formats
2005-03-07 Airoha refines wireless LAN transceiver for cost and space
Airoha Technology Corp. has made small but noteworthy changes to its 802.11 a/b/g wireless LAN transceiver by embedding dual-band power amplifiers.
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