PicotestMay 22, 20121 minWhen Bode Plots Fail UsIt may come as a surprise to some that a control loop’s Bode plot does not always depict the loop stability and that the output impedance...
PicotestMar 24, 20121 minAn Unconditionally Stable Linear Voltage RegulatorIs it possible to design an unconditionally stable linear voltage regulator? In fact, many believe that most regulator ICs are...
PicotestFeb 17, 20122 minStability Assessment of Fixed RegulatorsThere are cases where a Bode (gain?phase) plot cannot be obtained from a control loop. For example, a three terminal regulator or hybrid...
PicotestSep 6, 20111 minPower Supply Crosstalk Measurement: Using the Bode 100 and the Picotest J2111A Current InjectorThe measurements are performed on the Picotest Voltage Regulator Test Standard (VRTS) testing board1 which comes with the regulators...