Other Parts Discussed in Thread: OPA2670 , OPA2673 , DEM-OPA-RGV-EVM 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1295056/opa2670-evaluation-board-for-opa2670-or-op…
Part Number: OPA657 Other Parts Discussed in Thread: DEM-OPA-SOT-1A ,
Dear all,
here is my schematic
my PCB design is close to DEM-OPA-SOT-1A
Input is a photomultiplier tube . its parasite capacitance i estimate is 20-30pF ,and so i choose C5=0.25pF. …