我将DABP改造为单电源供电,焊完之后调试,发现它在18MHz左右发生震荡了。运放为LMH6643,电阻为1%精度,电容为10%精度。不知道是不是因为电容匹配度不高导致发生震荡?
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我将DABP改造为单电源供电,焊完之后调试,发现它在18MHz左右发生震荡了。运放为LMH6643,电阻为1%精度,电容为10%精度。不知道是不是因为电容匹配度不高导致发生震荡?
Dual Amplifier Bandpass Filter Using LMH6643 DABP-LMH6643.TSC