![644-1215-ND](http://www.digikey.cn/-/media/Images/PTM/N/NDK/QCM%20Sensors/QCM_sm.jpg?la=zh-CN-rmb&ts=6162fe53-ad48-4160-ab90-9471ca73128a)
Quart Crystal Microbalance (QCM) sensors are used for small mass level measurement, and works with mass load effect of the quartz crystal and antigen.
Duration: 5 minutes![13MHz SMD Oscillator](http://www.digikey.cn/-/media/Images/PTM/N/NDK/TCXO%20Portfolio/TCXO-Portfolio_sm.jpg?la=zh-CN-rmb&ts=2bc334df-3dd3-4a6e-a354-35ad729b886b)
The advantages of using TCXOs over discrete oscillation designs and NDK's TCXO product offering.
Duration: 5 minutes