High-frequency surface acoustic wave device acoustic-electric coordination full-wave simulation method for

A high-frequency surface acoustic wave and co-simulation technology, which is applied in the field of full-wave simulation, can solve the problem of large influence of packaging electromagnetic effects and achieve flexible adjustment methods

Active Publication Date: 2016-06-01
北京航天微电科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-frequency surface acoustic wave device acoustic-electric collaborative f

Method used

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Experimental program
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Embodiment Construction

[0016] The specific steps of an acoustic-electric collaborative full-wave simulation method for a high-frequency surface acoustic wave device are as follows:

[0017] The first step is to build a high-frequency surface acoustic wave device acoustic-electric collaborative full-wave simulation system

[0018] Acoustic-electric collaborative full-wave simulation system for high-frequency surface acoustic wave devices, including: HFSS modeling and simulation module and AnsoftDesigner circuit co-simulation module, said:

[0019] The function of the HFSS modeling and simulation module is to perform physical modeling and simulation on the RF effects of the SAW surface mount device package;

[0020] The function of the AnsoftDesigner circuit co-simulation module is: use AnsoftDesigner to construct the radio frequency equivalent circuit and obtain the circuit co-simulation results.

[0021] The second step is the HFSS modeling and simulation module for physical modeling and simulation...

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Abstract

The present invention discloses a high-frequency surface acoustic wave device acoustic-electric coordination full-wave simulation method. The method comprises: firstly, constructing a high-frequency surface acoustic wave device acoustic-electric coordination full-wave simulation system, wherein the constructed system comprises an HFSS modeling simulation module and an Ansoft Designer circuit coordination simulation module; then performing physical modeling and simulation on a radio-frequency effect of an encapsulated portion of a surface acoustic wave surface-mounted device; and finally, enabling the Ansoft Designer circuit coordination simulation module to construct a radio-frequency equivalent circuit by using an Ansoft Designer and acquire a circuit coordination simulation result. The method disclosed by the present invention has high modeling efficiency and a simple implementation process, can effectively solve the problem of failing to precisely simulate the surface acoustic wave surface-mounted device under a high-frequency operating condition, and has an excellent promoting function for research and development of high-frequency surface acoustic wave devices.

Description

technical field [0001] The invention relates to a full-wave simulation method, in particular to a high-frequency surface acoustic wave device acoustic-electric cooperative full-wave simulation method. Background technique [0002] At present, the most common simulation method for surface acoustic wave devices is to use the equivalent circuit model, coupling mode model or finite element / boundary element method to simulate the acoustic characteristics of the interdigitated structure on the surface acoustic wave substrate, in which the equivalent circuit model can combine the surface acoustic wave The structure of each part of the device is equivalent to a circuit element, and the acoustic problem is transformed into a circuit problem to solve, which has great advantages in the simulation application of conventional lossy surface acoustic wave devices; the coupling mode model is based on the multiple reflection effect between fingers. Construct a quasi-periodic structure, the c...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/23G06F30/367
Inventor 苏波史向龙王永安周培根范佰杰段斌赵宏忠
Owner 北京航天微电科技有限公司
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