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１电子模块失效分析二例１．１对数视放模块ＤＳＦ－１０１．１１失效模式：小信号输出波形斜顶，波形参数见图１．１。１．１２失效环境：整机温度冲击（＋１２５℃～－５５℃）１．１３模块失效原因：反馈回路输出滤波电容内部电极开路。１．１４模块失效诊断１．１４１高温
1 Failure Analysis of Electronic Module 1.1 1.1 Logarithmic Play Module DSF-101.11 Failure Mode: Small Signal Output Waveform Ramp, Waveform Parameters See Figure 1.1.1.12 Failure Environment: Total Temperature Impact (+125 ℃ ~ -55 ℃) 1.13 module failure causes: feedback circuit output filter capacitor internal electrode open. 1.14 module failure diagnosis 1.141 high temperature