Applications of Crystal Oscillators in Medical Products
2025-04-03
crystal oscillator is an electronic component primarily used to generate stable frequency signals. In modern medical products, crystal oscillators are widely applied and play a crucial role. Their precise frequency control and stability make them one of the core components of various medical devices. Below, we will explore in detail the specific applications and importance of crystal oscillators in medical products.

Electrocardiogram (ECG) Machines
ECG machines are used to record the electrical activity of the heart, aiding doctors in diagnosing heart conditions. In ECG machines, crystal oscillators provide stable clock signals, ensuring the accuracy and consistency of data acquisition. Since electrocardiography requires high-precision time measurement, the accuracy of the crystal oscillator directly impacts the reliability of diagnostic results.
Ultrasound Devices
Ultrasound devices use high-frequency sound waves to generate images of internal body structures. The role of the crystal oscillator here is to provide a stable frequency signal that drives the ultrasound probe to emit sound waves at specific frequencies. Additionally, the crystal oscillator helps synchronize the transmission and reception of signals, ensuring image clarity and accuracy.
Vital Signs Monitors
Vital signs monitors are used to continuously track critical parameters such as heart rate, respiratory rate, and blood pressure. In these devices, crystal oscillators generate stable clock signals to ensure the synchronization of data acquisition and processing. High-precision crystal oscillators improve the monitor’s response speed and measurement accuracy, enabling timely reflection of changes in a patient’s health status.
Portable Medical Devices
With the growing popularity of portable medical devices, such as glucose monitors and portable blood pressure monitors, crystal oscillators also play a significant role in these products. Portable devices typically require efficient, low-power solutions, and crystal oscillators provide a stable frequency reference while consuming minimal energy, helping to extend battery life.
Medical Imaging Equipment
In complex medical imaging equipment like CT and MRI scanners, crystal oscillators are used to control the timing of image acquisition and processing. These devices require highly synchronized signals to produce high-resolution images, and the precise timing control of crystal oscillators ensures image quality and diagnostic accuracy.
Wearable Medical Devices
Wearable medical devices, such as smart wristbands and health monitoring watches, are gaining increasing attention. Crystal oscillators in these devices provide stable clock signals, supporting continuous data acquisition and real-time analysis. Through precise timing control, these devices can monitor users’ health data in real time and transmit it promptly to doctors or health management platforms via wireless communication modules.
Common Frequencies and Packages
32.768kHz: FC31M2/FC21M2/FC11M2
8MHz/10MHz/12MHz: CO32H4/CO22H4/XC32M4/XC53M4/XC53G2
24MHz/25MHz/50MHz: CO11H4/CO21H4/CO32H4/XC21M4/XC22M4/XC32M4
16MHz/26MHz/32MHz: CO11H4/CO21H4/CO32H4/XC21M4/XC22M4/XC32M4
As a critical component in medical products, the precision and stability of crystal oscillators directly impact device performance and diagnostic accuracy. With the continuous advancement of medical technology, the requirements for crystal oscillators are becoming increasingly stringent. In the future, with the development of new materials and technologies, the application of crystal oscillators in the medical field will expand further, providing more reliable and efficient support for the innovation and advancement of medical devices. By continually improving the performance and stability of crystal oscillators, the diagnostic and treatment capabilities of medical devices will be further enhanced, benefiting more patients.