AD1672JP_AD22100KRZ-REEL7 Introduction

. With sequential read/write transfer speeds of up to 5.5 and 3.5 GB per second, and random read/write transfer speeds of up to 900K and 275K input/output operations per second (IOPS), the 9200 SSD transforms data into low-latency, high-performance information.

In April 2019, Texas Instruments released the construction plan for this 300mm fab, with an estimated investment of $3.1 billion. However, in view of the sluggish semiconductor market in 2019 and the unsatisfactory revenue situation, TI's plan to invest in the construction of a 300mm wafer fab in Richardson is not as smooth as originally expected, and it may be delayed for two years to complete.

AD1672JP_AD22100KRZ-REEL7

AD1672JP

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Compared with 4G, 5G has clearly planned three application scenarios at the initial stage: enhancing mobile broadband, its peak rate will be more than 10 times that of 4G network; massive machine communication will realize the whole process from consumption to production, from human to human. Full scene coverage to objects; ultra-reliable and low-latency communication, the communication response speed will be reduced to millisecond level. . However, 5G is not limited to mobile phones. In the era of the Internet of Everything, highways must be built in advance. Therefore, 5G is indisputably the first of new infrastructure.

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AD1672JP_AD22100KRZ-REEL7

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AD1672JP_AD22100KRZ-REEL7

The working principle is as shown below. The typical basic structure is shown in the figure (a) above, with the piezoelectric layer sandwiched between the upper and lower metal electrodes, the corresponding mBVD equivalent circuit is shown in the figure (b) above, and the corresponding impedance is shown in the figure (c) above. It can be seen that there are two resonance frequencies, series (fs) and parallel (fp).

The BAW filter is more suitable for frequencies above 2.5GHz. The manufacturing process of the BAW filter is also very consistent with the existing IC manufacturing process, and is suitable for overall integration with other active circuits. .

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