This circuit is based on a PIC16F883 that controls a simple lock-in circuit to measure in circuit the ESR and in some cases the capacitance of electrolytic capacitors ... approach has the advantage ...

The ESR is located at the resonance of the capacitor. It is the minimum impedance in the capacitor impedance curve. It is not 1 kHz, it is the actual resonant frequency of the capacitor. Each ...

The ESR Meter is basically an AC Ohmmeter with special scales and protective circuitry. It provides a continuous reading of series resistance in electrolytic capacitors. It operates at 100 kHz to keep ...

I would like to ask about the requirement of capacitor for TPS54310. I am referencing the design of SpectrumDigital’s EVM6437. In its schematics, page 34, there is a low-ESR 10uF polarized capacitor ...

[Peter Demchenko] wanted to use a low power TS555 in an ESR meter design. The problem is, he needed to handle significant current sink requirements for cases where the capacitor under test had a ...

An aging test platform is established, and 20 widely used metallized polypropylene film capacitors are selected for evaluation. Parameters such as the capacitance, equivalent series resistance (ESR), ...