文章基于目前常用的凹球面自聚焦换能器，提出了解决上述问题的方案，设计了新型的换能器，对其工作方式及声场特性进行了研究。
This paper presents some methods for solving the problem based on current concave spherical transducers and new transducer designs. The working principle is then studied.
在电流工作方式下，通过设计优化的存储单元、新型高速电流灵敏放大器以及一种灵敏放大器控制信号产生电路，提高了寄存器堆的读取速度。
High speed is achieved by using current mode techniques, which include designing optimum register cell, new high speed current sense amplifier and sense amplifier control signal generator.
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