PicotestNov 2, 20171 min readBode Plots are OverratedControl loop stability is critically important. But whether your focus is on power supply design, power integrity, or mixed-signal power...
PicotestJan 29, 20161 min readKilling the Bode PlotMany new linear devices, including voltage references, voltage regulators and opamps have internal feedback loops, prohibiting...
PicotestJan 12, 20152 min readImpedance measurements stabilize op-amp buffersFigure 1. Op amps are often used as unity gain signal buffers, which are not as simple to use as it may appear. The unity-gain op amp...
PicotestAug 27, 20131 min readHow to Solve 8 of 10 Design IssuesThe vast majority of design issues are directly or indirectly attributable to control loop stability. The most common offenders: Linear...
PicotestAug 16, 20131 min readTroubleshooting Distributed Power Systems: Measuring Impedance Using Vector Network Analyzers (One-PThis video focuses on single-port measurements, describing how they can be applied to low power circuits such as linear regulators,...
PicotestFeb 28, 20121 min readMeasuring Op Amp PSRROne characteristic of Op Amps that limits the performance of low noise and precision circuits is PSRR. The output of the Op Amp is not...