A mode-locked surface acoustic wave oscillator for sensor applications

被引：34
|
作者：
Wagner, J [1 ]
Philipp, M [1 ]
von Schickfus, M [1 ]
机构：
[1] Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany
来源：
PROCEEDINGS OF THE 2002 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM & PDA EXHIBITION | 2002年
关键词：
SAW; sensor; mode-locked oscillator;
D O I：
10.1109/FREQ.2002.1075885
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present an alternative technique, the mode-locked Surface Acoustic Wave (SAW) oscillator, to measure the response of a SAW delay line sensor. In contrast to a conventional cw-oscillator, all oscillator modes which meet the oscillation condition are excited. Thus the oscillator becomes a pulse oscillator with a repetition rate given by the delay time of the SAW device. Instead of the rf-frequency, the much lower pulse repetition rate is measured.
引用
收藏
页码：255 / 259
页数：5
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