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ADC08D1500: ADC08D1500 输入前调试幅度和平坦度

Part Number: ADC08D1500
Other Parts Discussed in Thread: LMH6703,

使用LMH6703(AV:12倍)+ADA4932-1 (AV:1倍)+ADC08D150方案设计,采集0~300M z正炫波信号,发现200~300Mhz,幅度下降快,测试发现ADC08D1500:采集结果200Mhz 时80%输入幅度,300Mhz时 40% 幅度,请教:1. 怎么调整差分驱动输出到ADC08D1500输入匹配平坦度, 2. 怎么提高输出幅度,3. 怎么调试处理下降沿窄脉冲输入,导致采集波形有过冲?

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