CMOS TCXOs
Your Professional CMOS TCXOs Supplier
Suzhou Hangjing Elec & Tech Co., Ltd., founded in 2014, is a technology-driven small and medium-sized enterprise (SME) specializing in the full-spectrum R&D, design, production, and sales of quartz frequency control components. Rooted in a professional team and advanced manufacturing expertise, the company has developed a robust product portfolio encompassing quartz crystals, crystal oscillators, TCXO, VCXO, OCXO, crystal filters-ranging from foundational components to tailored systems.
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Superior Quality
A precision supply chain ensuring consistent product quality;An ultra-low failure rate validated by rigorous testing;High-quality materials and advanced technology make the product more reliable.
Service Advantages
A customer-centric service framework (covering pre-sales consultation to post-sales support) that prioritizes rapid response. 24-hour online service, timely and fast quotation for you.
Sales Market
Our Products has expanded into key international regions including Europe, Southeast Asia, the Americas, Oceania, and other major markets. This global network enables the company to provide full support to leading electronics manufacturers around the world, while maintaining a strong focus on high-quality products.
Our Certificate
All our products have passedGB/T 19001 - 2016/ISO 9001:2015 Quality Management System Standard, This demonstrates that they meet international standards for quality, safety, and performance.
Thermally Compensated Oscillator 5032
A Thermally Compensated Oscillator 5032 is a Temperature-Compensated Crystal Oscillator (TCXO) with a standard Surface Mount Device (SMD),By applying temperature compensation within the quartz crystal oscillator module, it is possible to considerably improve on the basic performance of the crystal.
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PARAMETER |
SUPPLY VOLTAGE |
REMARKS |
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3.3/ 5.0V |
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Frequency range |
10 ~ 52MHz |
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Frequency tolerance |
±2.0ppm |
Initial tol. @+25°C |
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Frequency stability |
±0.05ppm / ±0.1; / ±0.14ppm; ±0.28ppm |
See note below table |
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Operating temperature range |
–30 to +85°C / –40 to +85°C / -55 to +85°C |
In combination to above stabilities |
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Aging per year |
±1.0ppm |
@+25°C |
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Output waveform and load |
LVCMOS 15pF |
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Output voltage level HIGH |
90%Vcc |
Minimum |
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Output voltage level LOW |
10%Vcc |
Maximum |
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Rise and Fall times |
5ns |
6ns |
8ns |
@10~90% of Vcc |
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Symmetry (duty cycle) |
45~55% |
@ 50%Vcc |
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Phase noise (example 19.2MHz) |
-115dBc/Hz / -135dBc/Hz / -148dBc/Hz |
@100Hz / 1kHz / 10kHz |
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Phase jitter RMS |
<1ps |
12kHz≤Fj≤20MHz |
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Supply current |
7mA |
@15pF |
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Note: Frequency stability is the frequency deviation over temperature range in reference to +25°C |
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Advantages of Thermally Compensated Oscillator 5032
Accuracy and Wide Temperature Stability
A built-in thermistor network or digitally controlled capacitor array dynamically adjusts the oscillator circuit's load capacitance to offset the effects of temperature on frequency. Frequency stability reaches ±1ppm over the industrial temperature range of -40°C to +85°C, with an annual aging rate of only ±3ppm/20 years, ensuring signal accuracy.
Small Form Factor and Low Power Design
A 5.0mm × 3.2mm, four-pin SMD design with a thickness of only 1.45mm (e.g., TG5032CFN) makes it suitable for space-sensitive applications such as 5G small base stations and LoRa modules.
Environmental Adaptability and Reliability
Industrial-grade testing has been completed, making it suitable for complex applications such as in-vehicle navigation and power steering controllers. The storage temperature range is -40°C to +90°C, and the operating temperature is -40°C to +85°C, ensuring stable operation in outdoor and industrial settings.
Application Scenarios and Performance Improvements
Serves as a clock source, ensuring timing synchronization between digital signal processing and RF modules, improving network stability. Support for IEEE1588 Precision Time Protocol (PTP) ensures data transmission reliability.
Consumer Electronics and Industrial Control
Serves as a reference clock, supporting low power consumption and high precision, providing a nanosecond-level timing reference for motion trajectory planning, improving response speed.
Cost-Effectiveness and Customization
Through optimized design and production processes, manufacturing costs are reduced. For example, the PB5032 series strikes a balance between high performance and price.
Type of Thermally Compensated Oscillator 5032
ADTCXO
Analog digital TCXOs (ADTCXOs) have been used widely in cell phones. They employ analog technology to provide temperature correction to the oscillator. One advantage of ADTCXOs is that they change slowly and don't experience phase jumps (which occur with some all-digital types).
DTCXO
The digital TCXO (DTCXO) uses a temperature sensor first, and then logic and mathematical functions use digital circuitry, along with a lookup table. The resulting digital correction figure is converted to an analogue signal using a digital-to-analogue converter (DAC).
DCXO
The digitally compensated crystal oscillator (DCXO) is a form of TCXO where any correction is calculated by the host processor within the equipment. In this way, the TCXO is not a separate entity, but the processing is incorporated within that of the overall equipment. This can help save costs in some instances.
MCXO
The microcomputer compensated crystal oscillator (MCXO) uses a microprocessor to provide a considerably increased level of processing and more accurate compensation under a variety of circumstances. While their performance is a little higher than other TCXOs, they are also more expensive.
Application of Thermally Compensated Oscillator 5032
Wireless Communications: Given the dynamic environment of mobile communication, TCXOs ensure consistent frequency for error-free data transmission and reception.
GPS and Navigation Systems: To confirm pinpoint accuracy, TCXOs compensate for temperature-induced frequency drifts while guaranteeing precise positioning.
Military Equipment: TCXOs keep frequency stability in rugged conditions for communication reliability and equipment functionality in abrupt temperature changes.
Industrial Process Control: In factories and processing units, TCXOs ensure accurate timing and synchronization of machinery to enhance production efficiency.
Aerospace: The rise of Low Earth Orbit (LEO) satellites in aerospace highlights the critical role of TCXOs. These oscillators ensure precision in navigation and communication for LEO satellites, adapting to the challenging thermal conditions of near-Earth orbits. This trend underscores TCXOs' importance in the evolving space technology sector.
Automotive: TCXOs are vital in the automotive industry, ensuring synchronized, real-time operation in advanced driver-assistance systems (ADAS) and GPS navigation. Their role in GPS systems is critical for accurate location tracking and route guidance, maintaining reliable performance across varying temperatures.
IoT: With the development of interconnected devices, TCXOs guarantee synchronized, timely data exchange while promoting efficient, remote monitoring and control.
Performance of Thermally Compensated Oscillator 5032
Temperature Performance
The TCXO's temperature performance is better than that of a normal crystal oscillator. Typically, figures of between 10 to 40 times improvement can be seen. Figures of better than ±1.5 ppm over a 0 to 70°C temperature range are difficult to achieve, as they then fall into a high-precision category where costs increase significantly.
Power Dissipation
The power dissipation of a TCXO will be greater than an ordinary oscillator because of the additional circuitry required. The cost will also be greater.
Output Format & Level
With many TCXOs being used for driving digital circuits, most of the small oscillator packages produce what is termed a clipped sine wave. This is suitable for driving a logic circuit, although in many cases it's wise to put it through a logic buffer to ensure it's sufficiently square. Often, the output is an open collector circuit. If a sine wave output is required, then this must be chosen at the outset and it will limit the choices available.
Power Requirements
The actual power requirements will depend upon the device. Many operate from supplies of 3 V and may draw as little as 2 mA, although this will depend upon the TCXO type, the manufacturer, and the particular device chosen.
Package
TCXOs can be supplied in a variety of packages depending upon the design and the requirements of the end user. The most common form of construction is to build the circuit on a small printed circuit board (PCB) that can be housed in a flat metal package. This is then suitable for mounting onto the main circuit board of the overall equipment. Since the crystal itself is sealed, it isn't critical (or even required for most applications) to seal the overall TCXO package.
Components of Thermally Compensated Oscillator 5032
Quartz Crystal
Acts as the primary oscillating component for the fundamental frequency.
Temperature Sensor
Measures the immediate environment's temperature. Subsequently, it sends this information to the compensation circuitry.
Compensation Circuitry
Adjusts the oscillator's frequency based on temperature feedback. Note that it counters any drift due to temperature changes.
Varicap/Varactor Diodes
These types of varicap or varactor diodes function as voltage-controlled capacitors. While placing them on either side of the crystal and adjusting the voltage across them, the output frequency can be "pulled" or fine-tuned.
Output Circuit
Transforms and routes the stabilized frequency signal to the desired output form. Remember, it might be either sine or square waves.
Voltage Control Input
An external control that can adjust the Temperature Compensated Crystal Oscillator's output frequency while interacting with the varicap diodes.
Design of Thermally Compensated Oscillator 5032
Compact Packaging
Modern TCXOs often come in small packages like 3.2 mm x 2.5 mm or even 2.0 mm x 1.6 mm, so they are suitable for miniaturized electronic systems. It doesn't sacrifice performance. Instead, it enhances the ease of integration into systems while keeping excellent frequency stability. For instance, the 2.0 mm x 1.6 mm surface-mount packages give reasonable motional parameters and stability for space-constrained uses.
Advanced Resonator Technologies
The heart of the Temperature Compensated Crystal Oscillator, the quartz crystal resonator, has undergone key advancements. While quartz resonators can be shrunk to some extent, the constraints in going below specific dimensions have pushed the expansion of innovative resonator technologies. These enable further size reductions and are helpful for future generations of more compact precision oscillators.
Integrated Circuitry: The architecture of a basic TCXO has progressed to integrate the necessary components into a single IC. This type of integration means that most of the TCXO's functionality gets packed into one chip to add to efficiency and cut potential points of failure.
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