OnScale白皮书：5G射频MEMS滤波器仿真优化实战

需积分: 19 103 浏览量更新于2024-07-09 1 收藏 7.67MB PDF 举报

仿真驱动的5G射频微机械电子系统(MEMS)滤波器优化流程是一项关键的技术进步，特别是在现代通信系统中。该白皮书由OnScale公司发布，主要关注如何通过数学建模和数值模拟有效地设计5G射频滤波器，特别是那些基于声表面波(SAW)、薄膜电容调谐(BAW)和压电效应的滤波器。这些滤波器在5G通信中起着至关重要的角色，它们决定信号的质量和系统的性能。在5G时代，高速数据传输对滤波器的性能要求更高，包括带宽、插入损耗、选择性和稳定性等指标。传统的设计方法往往耗时且成本高，而OnScale提供的仿真驱动优化流程通过3D有限元方法(FEM)软件包，极大地简化了这一过程。FEM允许设计工程师在一个平台上同时模拟多个物理现象，如压电效应驱动的声学振动、电路行为、结构力学、声学响应以及热传递，从而实现设计的全面考量和优化。该软件的优势在于其云计算能力，提供了高性能计算(HPC)资源，使得设计工程师能够轻松地探索广阔的设计空间，快速找到最佳解决方案。这意味着他们可以迅速应对技术挑战，减少设计风险，同时缩短产品上市时间。OnScale的应用领域广泛，涵盖了半导体、传感器、非破坏性检测(NDT)分析、医疗设备以及5G和物联网(RF)系统等多个行业，都在其高效的设计和优化过程中受益。总结来说，仿真驱动的5G射频MEMS滤波器优化流程不仅提升了滤波器性能，还极大地提高了设计效率，对于推动5G通信技术的发展具有重要意义。通过OnScale的创新工具，设计工程师能够在复杂的电磁声学环境中进行协同设计，加速产品创新和商业化进程。

info@onscale.com www.onscale.com

Requirements for 5G RF lter applicaons will include complex mulplexing, increasing integraon,

addional lters, and the capability to handle much higher frequencies. Overall, the system architecture

for 5G RFFEs will be extremely complex and require a smaller footprint compared to the current

technology since more than 100 RF lters will have to t into a smartphone

. All these enhancements

depend on achieving eciency in cost and power, reducon in the space needed for each lter, and

the ability to manufacture lters in large quanes to meet fast-growing global demand.

In recent years, RF lter design engineers have applied several mathemacal modeling methods and

numerical simulaon techniques to help meet the stringent design requirements for 5G applicaons.

These include lumped parameter modeling, coupling of mode, nite elements, cascading techniques,

and boundary elements. These types of simulaons require simplifying assumpons in order to simulate

the frequency response for lters in a praccal amount of me, for example reducing the geometry to

a 2D cross-secon, or liming the number of frequency points invesgated.

Modeling techniques, while useful, are limited in terms of accuracy and eecveness. Real-world

devices exhibit 3D eects, which are oen poorly correlated to lab-scale experimental measurements.

These measurements can also misrepresent underlying mechanisms, leading to false conclusions

and compromised designs. The designer’s ability to explore mulple design concepts or migate the

eect of non-idealies in the designs, such as spurious modes in the frequency response, have been

limited by weaknesses in the simulaon tools available to date. Innovave soluons are required to

simplify the RF lter design process, the goal of which is to reduce the size of lters and meet the high

frequency bandwidth requirements, while improving their performance with regard to isolaon and

rejecon loss, temperature compensaon, linearity, and power handling.

OnScale empowers design teams by providing them with mulphysics solvers combined with scalable

high-performance compung (HPC) resources which are available through the latest cloud technology.

When using OnScale, engineers are not restricted by the typical simplifying 2D assumpons. While

simulang with OnScale, designers are able to explore a variety of designs simultaneously and simulate

a 3D acousc resonator for the enre lter die, which helps in generang virtual specicaons and a

digital design of the lter die.



The rst RF lters integrated in mobile phones were based on high-Q dielectric ceramic resonators.

Given the high velocity and 15 mm wavelength of electromagnec waves in the dielectric material,

lters were quite bulky, with a typical lateral dimension of 5 x 5 mm and thickness of more than 7

mm. The development of acousc wave piezoelectric resonators with velocies ranging from 3000

to 12000 m/s and wavelengths of 2 to 6 µm helped to dramacally reduce the size of the RF lter

die, to 0.8 mm x 0.8 mm and thickness less than 0.1 mm. The cost of lter die was also reduced by

using modern photolithography processes for resonator fabricaon. This led to the explosive growth

of acousc resonator-based lter technology for smartphones, which is now a mul-billion-dollar

industry



剩余18页未读，继续阅读

Ultra-FEM

粉丝: 9
资源: 34

OnScale白皮书：5G射频MEMS滤波器仿真优化实战

软件破解安装说明12313

Intellisuite license

用于5G通信的薄膜体声波谐振器设计与仿真_陈鹏光 (1)1

空腔型体声波滤波器及其宽带化技术研究

基于二维声子晶体的体声波谐振器仿真分析.docx

空腔型体声波滤波器宽带技术研究与应用

射频滤波器与滤波器网络

射频滤波器设计与性能评估

高频滤波器的设计与优化

Pytorch版代码幻灯片.zip

最新资源