International Crystal Manufacturing (ICM) offers a broad range of quartz crystals, precision crystals, oscillators, filters, TCXO / VCTCXOs, and Quartz Microbalance products. Crystal, oscillator, filter and frequency control products - collage
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Oscillators - overview
Thru hole oscillators
Surface mount oscillators
Dip oscillator characteristics
Tape and reel specifications
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OscillatorsOscillators from International Crystal - photo

International Crystal Manufacturing (ICM) manufactures a narrow line of clock oscillators and VCXOs. Other oscillators are manufactured to ICM specifications by our affiliates. Our oscillators and VCXOs provide precision signal sources for use in telecommunications systems, guidance systems, computer systems and instruments, and so forth.

To view details about our oscillator products, please select one of the links below:

Oscillator product types

Quartz and certain other crystalline compounds display a reciprocal relationship between mechanical deformation along one crystal axis and the appearance of an electrical potential along another axis. If a voltage with a variable frequency is applied to the crystal, the crystal will go into mechanical oscillation and will exhibit a number of resonant frequencies.

Near resonance, the crystal will exhibit terminal characteristics of an L-C network with an extremely high quality factor (Q). The crystal replaces part of the frequency-determining network in the oscillator and significantly improves the oscillator's frequency stability.


Crystal oscillator ranges

ICM crystal oscillators typically have frequency ranges from 32 KHz to 200 MHz.

If your application requires frequencies outside the above range for your crystal oscillator applications, please contact our engineers at 1-800-725-1426.



Crystal oscillators are used in many electronic applications. Some of these applications include:

Military & Aerospace

  • Communications
  • Electronic warfare
  • Fuses
  • Guidance systems
  • IFF (Identification Friend or Foe)
  • Navigation
  • Radar
  • Sensors
  • Sonobouys

Research and Measurement

  • Astronomy and Geodesy
  • Celestrial navigation
  • Instruments
  • Medical Instrument/Devices
  • Space tracking


  • Aviation
  • Communications
  • Computers
  • CRT displays
  • Digital systems
  • Disk drives
  • Instrumentation
  • Marine
  • Mobile/cellular/portable
  • Modems
  • Navigation
  • Radio, telephone & pager
  • Sensors
  • Tagging/identification
  • Telecommunications
  • Utilities


  • Engine control, stereo, clock
  • Trip computer
  • GPS


  • Cable TV systems
  • CB & amateur radio
  • Cellular & cordless
  • Color TV
  • Home computers
  • Pacemakers and other medical devices
  • Phones, pagers
  • Radio & hi-fi equipment
  • Toys & games
  • VCR & video camera
  • Watches & clocks


Features and benefits

  • ISO 9001:2008 certified ensures ICM customers always receive high quality reducing costly returns and reinsertion while keeping production lines running as scheduled.

  • All ICM custom manufactured crystal oscillators are 100% inspected on state of the art computer-controlled test equipment, not lot inspected, to meet specifications before shipment ensuring customers receive product that functions to required specifications every time ensuring no production downtime, minimizing rework, and eliminating customer returns due to component failure of ICM products.

  • U.S.-based complete automated, state of the art, manufacturing facility providing faster request response, better customer service, and faster deliveries.

  • Total control of all precision crystal production processes on custom-produced products ensuring deliveries meet needed product specifications.

  • Family owned, on-site management, ensures customers can speak directly to the ultimate decision maker resolving problems or providing solutions quickly.

  • No minimum order ensures customers can get exactly the quantities of product they need reducing receiving, inspection, and testing costs while also reducing inventory management costs.

  • On-shore automated manufacturing of crystal oscillators ensures quick deliveries reducing inventory-carrying costs.

  • Ability to produce prototypes to orders of tens of thousands of units ensuring customers get exactly what they want and reducing the number of needed suppliers to one.

  • Have engineers on staff to provide design, prototyping, and pre-production support eliminating the need for multiple vendors and associated paperwork costs by having a single source for crystal oscillator expertise.


Call us today at 1-800-725-1426, fill out our contact form, email us at or request an online quote for International Crystal Manufacturing radio frequency control devices – quartz crystals, oscillators, QCM crystals, filters, TCXOs / VCTCXOs, and precision crystals.

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Quartz Crystals Precision Telemetry Crystal Products
International Crystal Manufacturing
10 North Lee Avenue Oklahoma City, OK 73102
Toll Free Phone: 1-800-725-1426 Toll Free Fax: 1-800-322-9426
Phone: 1-405-236-3741 Fax: 1-405-235-1904

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