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Time Frequency Devices

Time Frequency Devices

Time Frequency Devices

Hebei Far East Communication System Engineering Co., Ltd. (HBFEC) is one of the world's leading manufacturers of frequency control products and timing solutions. With more than 70 years of experience, HBFEC has specialized in the research and production of quartz crystal components and has established itself as a leading provider of high-quality time-frequency devices, equipment, and comprehensive solutions for time-frequency applications. The company is renowned for its robust R&D capabilities, industry-leading production scale, and exceptional product quality and service.

HBFEC has consistently achieved breakthroughs in key time-frequency technologies. The company now possesses core technologies across the entire quartz industry chain. HBFEC’s extensive range of time-frequency devices is designed to meet the diverse clock requirements of users across various scenarios and applications. By producing high-stability SC-cut crystal resonators and developing proprietary ASICs in-house, HBFEC has created a series of high-stability oven-controlled crystal oscillators, all protected by its independent intellectual property rights. These advanced devices are widely used in fields ranging from 5G networks to satellites, microwave communications, and navigation systems.

Using digital tools such as production automation, intelligent debugging and integrated production management, HBFEC continuously improves product quality and tightens control over key processes. This approach is helping to create a new industrial paradigm in the field of time-frequency devices.

With a deep understanding of time-frequency technology and its applications, HBFEC is dedicated to meeting customer needs, from quartz components to comprehensive clock application solutions. To meet the diverse service requirements of its customers, HBFEC has developed a range of clock modules and devices with customized functionalities that are widely used in airborne and shipborne communication systems, satellite navigation, measurement and control, network communication clusters, and other critical areas.

HBFEC remains committed to the advancement of the time-frequency domain, continuously providing high quality quartz crystal components and precise time-frequency solutions. As a leader in the time-frequency industry, HBFEC is ready to support the development and construction of advanced electronic communication equipment and networks, ensuring their reliability and accuracy.”

Product Center

Crystal Resonator

Crystal Resonator

Crystal Resonators: A crystal resonator is a passive electronic component that leverages the piezoelectric effect of quartz crystals to generate high - precision oscillation frequencies. It is characterized by stable output frequencies and strong anti - interference capabilities, and is widely used in modern electronic communication devices and systems. In terms of quality grades, our company can provide devices of various quality levels, such as industrial - grade, military - grade, and aerospace - grade. Regarding selection and application, our company can offer devices suitable for multiple applications, including low - aging, miniaturization, and low - g sensitivity.

OCXO

OCXO

Oven - Controlled Crystal Oscillators (OCXOs) use constant - temperature oven control technology to maintain the crystal resonator at the temperature corresponding to the zero - temperature - coefficient point, thereby achieving frequency stability with fluctuations in the parts - per - billion (ppb) range or even smaller. Currently, our company has developed OCXOs for various scenarios, including high - stability, low - phase - noise, low - G - sensitivity, low - short - term - stability, and miniaturization. Especially in the areas of high - stability OCXOs and miniaturized OCXOs, by using the ASIC chips developed by our company and the self - produced high - stability SC - cut crystal resonator, we have achieved a mass - production capacity of 2 million units per year.

XO

XO

Crystal Oscillator(XO) series adopts surface - mount package forms. The package sizes are 3225, 5032, and 7050. It integrates a crystal resonator and an oscillation circuit chip inside, which can provide clock and frequency references for the system. It supports multiple operating temperature ranges, with the maximum temperature up to 125°C. The waveform output can be customized (supporting CMOS and differential output forms). In terms of quality grades, it supports industrial - grade, military - grade, and aerospace grades such as CAST H and CASSM.

TCXO

TCXO

Temperature - Compensated Crystal Oscillators (TCXOs) use an internally integrated temperature - compensation chip to convert the ambient temperature into a compensation voltage for frequency compensation and control of the oscillator. This enables frequency stability with fluctuations ranging from 0.1 ppm to 1 ppm. TCXOs feature fast startup, low power consumption, high stability, and surface - mount technology.

VCXO

VCXO

Voltage - Control Crystal Oscillators (VCXOs) allow the user to manually adjust a control voltage to compensate for instabilities in the output frequency. It is used to bring the oscillator back to frequency after being impacted by instabilities (e.g. long term stability). VCXOs are key to building phase locked loops (PLLs) from scratch. These products are used for a variety of applications such as 5G RRHs, high speed DAC/ADC/SERDES, military radios, optical networks and microwave backhaul/ point to point. 

Time-frequency components

Time-frequency components

Time-frequency components generally refer to the synthesis, transformation, filtering, and amplification of frequency signals to achieve various frequency signals required by electronic systems. The accuracy and frequency range of frequency series products are wide-ranging, from low to high. They are applied to civilian electronic equipment and systems such as communication, navigation, radar, reconnaissance, and measurement and control, such as clock modules, clock boards, and frequency source modules.

Clock device

Clock device

High-precision clock devices provide customers with superior frequency and time references, meeting PRC/PRTC requirements. They utilize a standardized structural design to meet the needs of various industry applications.