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PGA460驱动300kHz探头,没有接收回波信号

Other Parts Discussed in Thread: PGA460

按照提供的文档,调整PGA460内部寄存器,设置为高频模式下,并写入DSP内,以及按照INP/NNP回路电容计算公式计算并取靠近值容值,单仍然接收不到回波信号,请教下有成功案例吗?