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[原创] ST STHV800超声波图像系统解决方案

关键词:医疗电子 超声波图像 STHV800

时间:2015-10-30 09:44:54       作者:ST       来源:中电网

ST公司的STHV800是大容量超声波发送器,每路有两个独立的半桥,输出电压0- ±90 V,输出电流±2 A,由外部时钟可同步输入信号,工作频率高达20MHz,主要用在医用超声波图像,脉冲波形发生器,NDT超声波发送,压电变送器驱动等.本文介绍了超声波系统框图,STHV800主要特性,内部框图,评估板STEVAL-IME009V1主要特性,硬件框图,电路图和材料清单.

Remarkable advances are taking place in medical imaging. Ultrasound imaging helps examine anatomical activity within patients. ST provides with a very wide portfolio of products from discretes to 32 bit digital processors and memories that help to further enhance imaging within ultrasound imaging equipments. The block diagram facilitates your selection among a wide selection of recommended applicable products.


图1.超声波系统框图

The STHV800 is an octal, monolithic, high-voltage and high-speed pulse generator. It is designed for medical ultrasound applications, but can be used for other piezoelectric, capacitive or MEMS transducers.

The device integrates a controller logic interface circuit (compatible with both 1.8 V and 3.3 V input signals), level translators, MOSFET gate drivers, noise blocking diodes, and high power P-channel and N-channel MOSFET..

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