Your Filter Is Lying to Its Driver Here’s How to Make It Stop
Tee-configuration filters present wildly uncontrolled impedance in the stopband and that can destabilize your driving amplifier. A filter pair is the fix.
Tee-configuration filters present wildly uncontrolled impedance in the stopband and that can destabilize your driving amplifier. A filter pair is the fix.
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Tee-configuration filters often present uncontrolled rising input impedance in the stopband, which can destabilize driving amplifiers. John Dunn explains the mechanism and a filter-pair remedy.