Electronic Design

Test & Measurement: Portable In-Circuit Tester Measures Capacitor ESR And DCR

A 9-V battery or an optional ac wall adapter can power the Model 881 portable in-circuit equivalent-series resistance (ESR) and dc resistance (DCR) capacitor tester ...
Electronic Design

Ease Capacitor ESL/ESR Measurement With Mercury-Wetted Relay

Capacitor discharge circuits are used extensively in fast pulse generation. In such applications, the capacitor's stray inductance (or equivalent series inductance ...
EDN

Low-ESR tantalum capacitors make a difference in circuit designs

When choosing a capacitor for any application, there are a few key characteristics that must be understood in order to analyze its suitability for the circuit. In a simple capacitor equivalent circuit ...
Electronics Weekly

Seeing how capacitors work is invaluable, says Keithley

Guest columnist Dale Cigoy, lead applications engineer at Keithley Instruments, outlines how an understanding of the challenges for testing capacitors can be invaluable to engineers. Capacitors are ...
Design-Reuse

Testing PSRR with High-Frequency Ripple

This white paper discusses a method for driving high-frequency sinusoidal ripple over capacitive loads for power supply rejection ratio (PSRR) testing, an important performance parameter for many ...
EDN

Simple fixture determines leakage of capacitors and semiconductor switches

The circuit in Figure 1a comprises a voltage follower, IC 1, and the reference-voltage source of IC 2. IC 1 is an Analog Devices AD8661 op amp, which has a guaranteed input-bias current of no more ...