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Abracon Manufacture of crystals and inductive products http://www.abracon.com/
Advanced Crystal Technology A supplier of frequency control products offering standard and custom quartz crystals, crystal filters, oscillators and ceramic resonators. http://www.advancedcrystaltechnology.com/index.html
AXTAL Manufacture of crystal oscillators PXO, VCXO, TCXO, OCXO, DOCXO, crystal resonators (quartz, langasite lgs, galliumphosphate gapo4), crystal filters, gps-ocxo, clock recovery modules cdr. http://www.axtal.com
Baknor Manufacturer of frequency control products. http://www.baknor.com/
Beijing Crystal Electronics Co. Ltd. Manufacture of quartz crystal devices which are used in industrial, commercial machinery and products. A subsidiary of China Aerospace Corporation. http://www.bjcec.com
Bomar Crystal Company Manufacturer of quartz crystals, clock oscillators, VCXOs, TCXOs, VCTCXOs, filters and resonators. http://www.bomarcrystal.com/
Cal Crystal Lab, Inc. Design and produce oscillator modules and crystals. Standard TTL and HCMOS products including VCXOs. http://www.calcrystal.com/
China Nat' l Scientific & Materials Corp A manufacturer of piezoelectric quartz, quartz products and single crystal optical products for use in the telecommunications and general time and frequency industries. http://www.csimc-freqcontrol.com
Chungho Elcom E.D.P Crystals, oscillators and filters manufacturer. From Korea. http://www.chelcom.co.kr/
Colorado Crystal Corporation Manufacturer of a precision line of AT, SC, IT, AC, and other singly and doubly rotated crystals. http://www.coloradocrystal.com/
Connor-Winfield Producer of crystal oscillators, VCXO, TCXO, VCO, ECL, TTL, HMOS, ECO, Stratum 3, custom timing solutions http://www.conwin.com/
Crystek Crystals Corporation Manufacture of microprocessor crystals, clock oscillators, temperature compensated crystal oscillators, and voltage controlled crystal oscillators. http://www.crystek.com
CT Industries Manufacturer of crystal resonators, tuning fork, oscillators, crystal filters, SAW devices, ceramic resonators, ceramic filters, flexible flat cable. http://www.ct-intl.com.hk/
eCERA ComTek Corporation Manufacturer of surface mount crystal and crystal oscillator, providing SMD PCXO, SMD CXO, VCXO, SMD glass series products. http://www.ecera.com.tw
Ecliptek Corporation Manufacturer of quality quartz crystal frequency timing devices. http://www.ecliptek.com
ECS, Inc. International Manufacturer of piezo electric based quartz, ceramic, and lithium niobate products. http://www.ecsxtal.com/
ESKA Crystals Manufacturer of crystals, clock oscillators and crystal filters. http://www.geocities.com/eska_crystals/index.html
Euroquartz Group Manufacturer of quartz crystals, oscillators, filters, vcxo, tcxo, ocxo. http://www.euroquartz.co.uk
Filtronetics Inc. Designs and manufactures frequency control products including high, low, band pass and electronic filters, txco and related oscillators and quartz crystals. http://www.filtro.net
FOQ Piezo Technik GmbH Manufacturer of crystal oscillators and quartz crystal units manufactured to customer's specifications. http://www.foq.de
Fordahl Group Manufactures miniature, ultra stable oscillators. Online product specifications and PDF data sheets available for download. http://www.fordahl.com/
Fox Electronics Manufacturer of a broad range of crystals, oscillators, TCXOs, VCXOs, OCXOs and filters. http://www.foxonline.com/
Frequency Management Manufacturer of quartz crystals and oscillators. Online product specifications and PDF data sheets available for download. http://www.frequencymanagement.com/
Fronter Electronics Co Ltd Manufacturer of electronics components including crystal resonator, crystal filter, clock oscillator. http://www.chinafronter.com/
Ftech Corporation SAW filter design and production, in Taiwan. http://www.f-tech.com.tw
Golledge Electronics Ltd. Supplies frequency control products including quartz crystals, crystal oscillators, TCXOs, VCXOs, OCXOs and filters. Online catalogue and PDF data sheets available for download. http://www.golledge.co.uk/
Greenray Industries Inc. Manufactures quartz frequency control products for telecom, military, aerospace and instrumentation applications. Products include OCXOs, TCXOs, VCXOs and clock oscillators. http://greenrayindustries.com
HCD Research Limited Design, develop and manufacture crystal oscillators and frequency and EMC equipment. Online product specifications and service capability statement. http://www.hcdresearch.co.uk/
Hec, Inc. Manufacturer of frequency control devices. http://www.hoorayusa.com
HM International Manufacture of frequency control products including crystals, oscillators, VCXO, VCTCXO, TCXO, OCXO, MIL/QPL oscillators and STRATUM 3 synchronization modules. http://www.hminternational.be
How Crystal Watch Works Impartial description describes how quartz crystals, quartz watches and quartz clocks work. http://www.howstuffworks.com/quartz-watch.htm
ILSI America, Inc. Manufacture SMD and leaded crystals, oscillators (TCXO, VCXO, TCVCXO and OCXO) including tight tolerances and miniature packages, resonators and filters. Online line card, search, cross reference and sample request. http://www.ilsiamerica.com/
Impact, LLC A manufacturer of through hole and surface mount piezo crystals, oscillators. http://www.impactllc.com
ITTI Co Ltd Manufacturer of crystal, crystal oscillator, monolithic crystal filter, ceramic resonator and crystal oscillator. http://www.itti-co.com
JAN Crystals Manufacturer of crystal oscillators and microprocessor, AT-Strip, and custom designed crystals. http://www.jancrystals.com/
Klove Electronics bv Supplier and manufacturer of quartz crystals and clock crystal oscillators. http://www.klove.nl/
Macrobizes Co., Ltd. Manufacturer of quartz crystals, resonators, and oscillators. http://www.macrobizes.com/
MH Electronics Manufacturer of AT cut quartz crystals and crystal devices for a variety of applications. http://www.mhelectronics.com
MMD Components Manufacturer of frequency control devices, specializing in crystals and oscillators. http://www.mmdcomp.com
Morgan Electro Ceramics Development and manufacture of piezo ceramic components like plates, discs, rings, bimorphs and multilayers for sensors, actuators and transducers. From Netherlands. http://www.morganelectroceramics.nl
MTI-Milliren Technologies Inc. Manufacturer of quartz crystal timing references including a full line of OCXO's, TCXO's, and VCXO's. http://www.mti-milliren.com/
MtronPTI Manufacturer of crystal oscillators, TCXOs, VCXOs, crystal and LC filters, and frequency control products. http://www.mtronpti.com/
My Frequency Inc. Manufactures frequency control devices including quartz crystals, crystal oscillators, VCXOs and TCXOs. Includes electrical and mechanical specifications and part numbering guide. http://www.myfrequencyxtal.com/
Nakagawa Electronics, Ltd. Manufacturer of quartz crystals, clock oscillators, ceramic resonators and filters. http://www.nkg.com.hk/
Nexyn Corporation Manufacture commercial oscillators for LMDS, VSAT, digital radio and test equipment (MVDS, Tele-Comm). http://www.nexyn.com/
Nihon Dempa Kogyo Co., Ltd. Manufacturer of quartz crystal products, crystal units, VCXO, TCXO, TC-VCXO, SAW devices, crystal filters, optical components and ultrasonic transducer. http://www.ndk.com/
Nippon Crystal Distributor of a broad range of crystals, clock oscillators, VCXOs, TCXOs, VC-TCXOs and filters. Online product specifications and PDF data sheets available for download. http://www.nipponcrystal.com
Nofech Electronics Ltd. Manufacturing high precision SC-cut, IT-cut and AT-cut quartz crystal resonators essential for ensuring high stability of OCXOs. http://www.nofech.co.il
OMIG S.A. Manufacturer of quartz filters and quartz crystals for TCXOs, VCXOs, and OCXOs, and vacuum depositing process control quartz crystals. Site in English and Polish, and include product specification ranges and PDF part catalogs. http://www.omig.com.pl/
Oscilent Corporation A full line manufacturer of crystals, oscillators, filters, and resonators including voltage controlled and temperature compensated oscillators. http://www.oscilent.com
Pletronics, Inc. Manufacturer of crystals (for microprocessors and communication equipment), crystal filters, and crystal oscillators (clock oscillators, VCXO, TCXO, and TCVCXO). http://www.pletronics.com/
Poseidon Scientific Instruments Makers of low phase noise sapphire oscillators, regenerative dividers, microwave amplifiers, whispering gallery mode resonators and carrier suppression interferometers. http://www.psi.com.au
Precision Devices, Inc. Manufactures crystal products in custom and SMD packages including quartz crystals, crystal filters and crystal oscillators. Online line card, specifications and PDF catalogue and data sheets available for download. http://www.pdixtal.com/
P&Y Crystal Industrial Ltd. A manufacturer of quartz crystals includes ceramic filers, ceramic resonators, crystal oscillators, SMD oscillators, SAW resonators, SAW filters. http://www.pycrystal.com
Q-Tech Corporation A crystal oscillator manufacturer - hi reliability military QPL, space, hi temperature XO, VCO, VCXO, TCXO, OCXO. http://www.q-tech.com
Quartz Pro Producer of OCXO's for communication industry. http://www.quartzpro.com
QuartzCom GmbH Offers a wide range of crystal, oscillator and filter products. http://www.quartzcom.com/
Rakon Limited Manufacturers of quality quartz crystal and high performance TCXO's, VCTCXO's and crystal oscillators. http://www.rakon.com/
Raltron Electronics Corporation Global supplier of frequency management solutions, including quartz filters, crystals, oscillators, clocks, VCXOs, TCXOs, OCXOs, Stratum 3 synchronization modules, ceramic resonators, and SAW products. http://www.raltron.com/
RFX Ltd Manufacturers of high specification quartz crystal oscillators. http://www.rfx.co.uk/index.html
Roditi International Distributor of crystals for piezo-electric, laser and optical applications, components and processing and test equipment, located in London and Hamburg. http://www.roditi.com/
Saronix Supplier offering a broad range of frequency control products in metal, plastic and ceramic packages. http://www.saronix.com/
SBtron Manufacturer of pecl, filter, oscillator, crystal, saw, tcxo, ocxo, vco, vcxo, and resonators. http://www.sbtron.co.kr
Seoan Electronics Co., Ltd. Manufacturer of quartz crystal and crystal oscillators including TCXOs, VCXOs, and high frequency ECL oscillators. From Korea. http://www.seoan.com/
Shenzhen Crystal Technology Industrial Co., Ltd. Manufacturer of quartz crystal, crystal oscillator, SMD crystal, ceramic resonator and saw filter. Includes product descriptions, and reliability test and quality control flow diagrams. http://crystal.telecomnet.com.tw/
Statek Corporation Manufacturer of quartz crystals and crystal oscillators. Worldwide distribution of a full range of ultra-miniature frequency control products. http://www.statek.com/
Superconix Inc. Provides single crystals and targets including semiconductors, substrates and laser, optical, metals and ferro-electric crystals. http://www.superconix.com/
Taitien Electronics Co., Ltd Production and sales of crystal units, crystal oscillators, VCXO, TCXO and quartz blanks. http://www.taitien.com.tw
Total Frequency Control Ltd Manufacturer of frequency control products including quartz crystals, crystal oscillators and filters. Also inductors, chokes and wound coils. http://www.tfc.co.uk
TXC Corp. Manufactures quartz crystal units, oscillators, VCXO and SAW filters. Online specifications and application notes. http://www.txc.com.tw/
ValpeyFisher Crystals, clocks, oscillators, electronic quartz crystals, oscillators and filters, crystal-based timing devices, Matec, electronics, semiconductors. http://www.valpeyfisher.com/
Vanlong Technical Co., Ltd Supplier of quartz crystals, resonators, oscillators, filters, SAW and other electronic devices. http://www.vanlong.com/
Vectron International Manufactures and markets frequency-generation and control products, including crystals and crystal oscillators, SAW filters, and clock and data recovery products. http://www.vectron.com
West Crystal Company Ltd. Manufacture of precision quartz crystals, custom made to specifications. From Canada. http://www.westcrystal.com/
Young Shin Quartz Quartz glass for semiconductor and optical fiber business. http://www.ysq.co.kr/
