Aimed at the characteristics of ut, a receive and adjust circuit is designed, which have character of low noise, wideband, wide dynamic range of input.
针对超声探伤的特点，设计了低噪声、宽频带、动态范围大的接收调理电路。
Using microcontroller MSP430F449 as the operation core, a low noise wideband amplifier provided with 5v single power supply is designed.
以单片机MSP430F 449为控制核心，设计了一个5 V单电源供电的低噪声宽带放大器。
The paper was based on the goal of low phase noise, high resolution to study and analyze the wideband frequency source.
本文正是基于低相位噪声、高分辨率为目的，对宽带频率源作了研究和分析。
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