طراحی و اتصال عناصر یک سیستم سنسوری دو تشدیدگر موج سطحی برای کار در دمای بالا با استفاده از موجبر هم صفحه
محورهای موضوعی : مجله فناوری اطلاعات در طراحی مهندسیمحمد جوادیان صراف 1 , محمد نیزاربنهمیدون 2
1 - دانشگاه آزاد اسلامی مشهد، واحد مشهد، گروه برق، مشهد، ایران
2 - دانشگاه پوترا مالزیا، گروه برق، مالزی، کوالالامپور
کلید واژه: High temperature, دمای بالا, تشدیدگر موج سطحی, القاگر مارپیچی, خازن اینتردیجیت, موجبر هم صفحه, Surface Acoustic Wave Resonator, Meander Inductor, Interdigital Capacitor, Coplanar WaveGuide,
چکیده مقاله :
روشهای اندازهگیری بی سیم با استفاده از سیستمهایی که نیاز به باتری نداشته باشند، در محیطهای پر خطر دارای جذابیت بسیاری است. در این مقاله روش طراحی یک سیستم سنسوری با دو تشدیدگر موج سطحی در دمای بالا بررسی شده است. روش طراحی القاگر مارپیچی و خازن اینتردیجیت که در مدار تطبیق امپدانس این سیستم به کار میروند، برای کاربردهای دمای بالا معرفی شده است. نحوة اتصال این عناصر در سطح دوم با استفاده از موجبر هم صفحه مورد بررسی قرار گرفته است. پیادهسازی این سیستم با استفاده از روش فیلم ضخیم انجام شده و در نهایت نتایج اندازهگیری آن تا دمای 410C ارائه شده است.
The wireless measurement methods with batteryless systems are very attractive in harsh environments. In this paper the design method of a double surface acoustic sensor system at the high temperature is discussed. The design methods of meander inductor and interdigital capacitor, which are used in the matching circuit of the system, at the high temperature are introduced. The method of second level interconnection of these devices, using the coplanar waveguide is discussed. The implementation of this system by thick film method is mentioned and finally the measurement results of this system up to 410C are presented.
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