New electronic device for driving surface acoustic wave actuators

Surface acoustic wave (SAW) actuators are driven by a high frequency signal. The frequency range for an ideal SAW-generation is usually very narrow banded and may shift depending on various environmental conditions. We present a new electronic device which self-aligns to the optimal excitation frequency within a wide range. Any kind of SAW-actuator can be used. The device continuously scans a certain frequency range and characterizes the SAW-component. The ideal excitation frequency is then determined and used to drive the SAW-device. In case of changes like loading conditions or temperature variations the device automatically readjusts to the optimal frequency and prevents possible damage of the device or actuator in case of an error. © 2009.

Keywords

Acoustic streaming, Actuator, Micromixer, SAW, Surface acoustic wave, Electronic device, Environmental conditions, Excitation frequency, Frequency ranges, High frequency signals, Loading condition, Micro mixers, Micromixer, Optimal excitation frequency, Optimal frequency, Surface acoustic wave, Surface acoustic waves, Temperature variation, Acoustic streaming, Acoustic waves, Acoustics, Acoustoelectric effects, Actuators, Electric currents, Electron devices, Mixers (machinery), Thermoelectric equipment, Acoustic surface wave devices

URI

https://doi.org/10.34657/4145
https://oa.tib.eu/renate/handle/123456789/5516

Citation

Brünig, R., Mensel, K., Kunze, R., & Schmidt, H. (2009). New electronic device for driving surface acoustic wave actuators. 1(1). https://doi.org//10.1016/j.proche.2009.07.277

Collections

Chemie

License

CC BY-NC-ND 3.0 Unported

https://creativecommons.org/licenses/by-nc-nd/3.0/

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