Oven Controlled Crystal Oscillator
Our Oven Controlled Crystal Oscillators (OCXOs) provide ultra-stable frequencies. They use a temperature-controlled oven to maintain the crystal at a constant temperature, minimizing frequency drift. This results in exceptional stability and accuracy, ideal for applications requiring precise timing.
Customize Oven Controlled Crystal Oscillator Wholesale to Delight Your Clients
Offer OCXO customization: frequency, stability, package size, and temperature range. Tailor performance to specific client needs, ensuring optimal system integration. Provide detailed datasheets and technical support. This personalized approach fosters strong client relationships and repeat business.
Frequency Stability
We tailor the OCXO’s frequency stability to match precise application needs. This involves meticulous crystal selection and oven design optimization. Customers can specify requirements ranging from parts-per-billion (ppb) to parts-per-trillion (ppt) levels, ensuring their timing systems achieve unparalleled accuracy in demanding environments like telecommunications or metrology.
Package Size and Mounting
We offer flexible package sizes and mounting options to facilitate seamless integration into diverse electronic systems. This includes surface-mount technology (SMT) or through-hole packages, as well as custom mechanical dimensions. We accommodate space constraints and specific board layouts, ensuring easy installation and optimal performance within the client’s design.
Temperature Range
We customize the operating temperature range to suit specific environmental conditions. This involves adjusting the oven’s heating elements and insulation materials to maintain stable crystal temperature across a wider or narrower range. Whether it’s extreme industrial temperatures or controlled laboratory settings, our OCXOs deliver consistent performance.
Output Signal Characteristics
We customize the output signal characteristics, including waveform, voltage levels, and load impedance, to match the interface requirements of the client’s system. This ensures signal integrity and compatibility with downstream circuitry. We offer various output types, such as sine wave, CMOS, or LVPECL, tailoring the signal to optimize performance in specific applications.
Weishi Electronics: Your Reliable Oven Controlled Crystal Oscillator Manufacturer
Weishi Electronics is a trusted OCXO manufacturer. We specialize in producing high-stability Oven Controlled Crystal Oscillators, tailored to diverse applications. Our expertise covers precise frequency control, temperature stability, and custom packaging. We prioritize quality and reliability, ensuring our OCXOs meet the stringent demands of modern electronic systems.
10 mhz oven controlled crystal oscillator
Our 10 MHz Oven Controlled Crystal Oscillators (OCXOs) provide exceptional frequency stability. We meticulously design and manufacture them for applications demanding precise timing. Our OCXOs feature a temperature-controlled oven, ensuring minimal frequency drift. We offer various stability grades and package sizes to meet specific client requirements, delivering reliable and accurate 10 MHz signals.
double oven controlled crystal oscillator
Our Double Oven Controlled Crystal Oscillators (DOCXOs) achieve superior frequency stability by utilizing two nested ovens. This dual-oven design provides enhanced thermal isolation, minimizing temperature variations and significantly improving stability over a wider temperature range. Ideal for critical applications requiring ultra-high precision, like metrology and high-end telecommunications.
What is oven controlled crystal oscillator?
An Oven Controlled Crystal Oscillator (OCXO) is a type of electronic oscillator that utilizes a quartz crystal to produce a very precise and stable frequency signal.
- Quartz Crystal:
- Quartz crystals vibrate at a very precise frequency when an electrical voltage is applied to them. This property makes them ideal for use in oscillators.
- Oven Controlled:
- Temperature variations can affect the vibration frequency of a crystal. To counteract this, an OCXO incorporates a small, temperature-controlled “oven” that maintains the crystal at a constant temperature.
- This oven, along with temperature sensing and control circuitry, ensures that the crystal’s temperature remains stable, minimizing frequency drift.
- Result:
- The result is an oscillator that produces a highly stable and accurate frequency signal, much more so than other types of crystal oscillators.
What is oven controlled crystal oscillator used for?
Oven Controlled Crystal Oscillators (OCXOs) are essential in applications requiring extremely precise and stable frequency signals.
Here are OCXO uses:
- Telecommunications:
- They provide the precise timing needed for synchronizing cellular networks, satellite communications, and internet backbones.
- Navigation Systems:
- Crucial for GPS and other navigation systems, where accurate timing is essential for precise location determination.
- Military and Aerospace:
- Used in radar systems, communication equipment, and other applications where high reliability and accuracy are paramount.
- Test and Measurement Equipment:
- They serve as highly accurate frequency references in instruments like frequency counters and spectrum analyzers.
- Scientific Instrumentation:
- Used in laboratories and research settings where precise timing is essential for experiments and measurements.
- Data Communication Systems:
- They are used in data centers, and other systems where timing is critical for data integrity.
In essence, OCXOs are employed in any application where maintaining a highly stable and accurate frequency is critical.
oven controlled crystal oscillator schematic
Understanding an Oven Controlled Crystal Oscillator (OCXO) schematic involves recognizing two primary functional sections: the oscillator circuit and the oven control circuit. The oscillator section, at its core, utilizes a quartz crystal, which resonates at a precise frequency.
This crystal is integrated into an electronic circuit, often employing transistors or integrated circuits, to sustain oscillations. The output of this oscillator is the stable frequency signal that the OCXO provides.
The oven control circuit is where the temperature stabilization occurs. This section includes a heating element, a temperature sensor (like a thermistor), and a control circuit. The control circuit continuously monitors the temperature sensed by the thermistor. If the temperature deviates from the set point, the control circuit adjusts the current flowing through the heating element to maintain a constant temperature.
This precise temperature regulation is what minimizes frequency drift in the crystal, resulting in the OCXO’s high stability. Schematics will vary greatly depending on the desired level of precision, and the type of components used.
What is the most accurate crystal oscillator?
When discussing the most accurate crystal oscillators, it’s important to differentiate between crystal-based oscillators and atomic oscillators. Within the realm of crystal oscillators, Oven Controlled Crystal Oscillators (OCXOs) generally provide the highest level of accuracy. This is due to their design, which incorporates a temperature-controlled oven to maintain the quartz crystal at a constant temperature, thus minimizing frequency drift.
However, for the absolute highest accuracy in timekeeping, atomic oscillators like rubidium and cesium oscillators surpass crystal oscillators. These atomic oscillators, which rely on the precise atomic resonance of elements like rubidium or cesium, offer significantly greater stability and accuracy than any crystal-based oscillator. Therefore, while OCXOs are the most accurate type of crystal oscillator, atomic oscillators reign supreme in terms of overall timekeeping precision.
What is the difference between XO and SPXO?
When discussing XO and SPXO, it’s important to understand that they are closely related. Here are differences between XO and SPXO:
- XO (Crystal Oscillator):
- This is the general term for a crystal oscillator, which uses a quartz crystal to produce an electronic signal with a very precise frequency.
- XOs are widely used in various electronic devices for basic timing needs.
- They provide a stable clock signal but can be affected by environmental factors, particularly temperature variations.
- SPXO (Simple Packaged Crystal Oscillator):
- Essentially, an SPXO is a more specific categorization of an XO.
- It emphasizes the packaged nature of the crystal oscillator.
- Often, the term is used to represent a crystal oscillator that is packaged in a way that provides slightly improved stability compared to very basic XO implementations.
- SPXO’s are designed to provide a little more stability in less than ideal conditions.
- In many cases the terms are used interchangably.
In essence, while “XO” is the broader term, “SPXO” often highlights a focus on packaging and slightly enhanced stability. So, in many practical applications, they can be considered very similar.
What is the difference between atomic clock and OCXO?
The key difference between an atomic clock and an OCXO lies in their fundamental timekeeping mechanisms and resulting accuracy.
- OCXO (Oven Controlled Crystal Oscillator):
- Relies on the stable vibration of a quartz crystal, with an “oven” to maintain a constant temperature and minimize frequency drift.
- Provides excellent short-term stability.
- More affordable and consumes less power than atomic clocks.
- Suitable for applications requiring high precision, but not the absolute highest accuracy.
- Examples of uses include telecommunications equipment, test and measurement devices, and precise navigation systems.
- Atomic Clock:
- Bases its timekeeping on the precise resonance frequencies of atoms, such as cesium or rubidium.
- Offers vastly superior long-term stability and accuracy compared to any crystal oscillator.
- More complex, expensive, and power-hungry.
- Used in applications demanding the highest accuracy, like global navigation satellite systems (GNSS), fundamental scientific research, and national timekeeping standards.
- In some applications, an OCXO may be utilized inside of an Atomic clock. This allows for both, very good short term, and long term stability.
In essence, while OCXOs offer very high stability for many precision timing needs, atomic clocks represent the pinnacle of timekeeping accuracy.
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