The measure module has bigger Signal-to-Noise Ratio because adopting instrumentation amplifier, Programmable gain amplifier and accumulate measurement.
信号检测模块采用仪表放大、程控增益放大、积累检测方式等措施有效地提高了测量系统的信噪比。
Three kinds of programmable gain amplifier circuit are introduced in this article. Their applications to electro-acoustic system are introduced, too.
介绍了程控增益放大器三种电路实现方式，以及这几类电路在电声系统中的应用。
Three kinds of programmable gain amplifier circuit are introduced in this article. Their applications to electro-acoustic system are introduced, too.
介绍了程控增益放大器三种电路实现方式，以及这几类电路在电声系统中的应用。
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