Double Transit Echo Suppression of Surface Acoustic Waves in a Passive Wireless Reflective Delay-Line Device Employing a 3rd Harmonic Optimized Single Phase Transducer and a Tunable Antenna | IEEE Conference Publication | IEEE Xplore

Double Transit Echo Suppression of Surface Acoustic Waves in a Passive Wireless Reflective Delay-Line Device Employing a 3rd Harmonic Optimized Single Phase Transducer and a Tunable Antenna


Abstract:

The unwanted double transit echo (DTE) of a passive wireless reflective delay-line SAW device is efficiently suppressed by using a 3rd harmonic-operating single phase uni...Show More

Abstract:

The unwanted double transit echo (DTE) of a passive wireless reflective delay-line SAW device is efficiently suppressed by using a 3rd harmonic-operating single phase unidirectional transducer (SPUDT). The frequency dependence of the DTE suppression level is shown by comparing devices with a Walsh-Hadamard-like reflector and a single-frequency Bragg reflector. A tunable dipole antenna is used to precisely tune the impedance required for the echo suppression.
Date of Conference: 11-13 December 2018
Date Added to IEEE Xplore: 10 February 2019
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Conference Location: Huntsville, AL, USA

References

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