EDN Magazine — 11.23.94 Applying basic grounding principles keeps demons at bay (figure)

FIGURE 3

Fig 3—Improper decoupling can cause many strange problems, such as an oscillation above the unity-gain crossover frequency of an op amp. In one case, the problem was a path from the decoupling cap through a long-trace inductance, the positive supply lead, the amplifier's output stage, the load, and, finally, to ground. (Courtesy Jerry Graeme and Bonnie Baker of Burr-Brown Corp)

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