本计划以大功率管MOS管为核心原件，采用分立元件与集成运放相连合计划出的低频功率放大器。
The design for high-power MOS tube as the core original pipe, using discrete components and integrated operational amplifier combines the low-frequency power amplifier design.
ARA的性能比分立元件组成的各类现用地震仪放大器性能有较大的提高。
Its performance score shows that the character of every kind of seismic amplifier which composed by the parts of ara has increased greatly.
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