Editor's Picks

The Risk In Using Frequency Domain Curves To Evaluate Digital Integrator Performance

Rick Lyon's Blog on DSPRelated -

This blog shows the danger in evaluating the performance of a digital integration network based solely on its frequency response curve. If you plan on implementing a digital integrator in your signal processing work I recommend you continue reading this blog.

Background

Typically when DSP practitioners want to predict the accuracy performance of a digital integrator they compare how...

Platform interference

The EMC Blog -

Every manufacturer seemingly wishes to add some form of wireless capability into new and existing mobile, household, industrial, scientific, and medical product. This trend toward the “Internet of Things” is in full swing and with it comes problems with EMI. That is, EMI from the product itself, that interferes with sensitive telephone, GPS/GNSS, and Wi-Fi/Bluetooth receivers. This is called “platform interference” and it’s a big problem for manufacturers.

Review: Tekbox LISNs

The EMC Blog -

Tekbox Digital Solutions recently introduced LISN models for both line-operated and DC-operated equipment. I’ll be reviewing their model TBLC08 (line-powered 50uH LISN) and model TBOH01 (DC 5uH LISN).

Review: Tekbox Near-Field Probes

The EMC Blog -

A set of near-field probes is an essential tool for troubleshooting EMI issues. Tekbox Digital Solutions has recently introduced a kit containing a set of three H-field, one E-field probe, and either a 20 or 40 dB gain broadband preamplifier. All this is included in a laser-engraved wooden box - a very nice touch. The probes may also be ordered without the preamplifier. I had a chance to try them out and compare with some similar probes.

Measuring VSWR with the Rigol DSA815

The EMC Blog -

Voltage standing wave ratio is a measurement of the impedance match of any RF component, sub-assembly instrument in reference to a standard 50-Ohm resistive impedance. This article discusses how to use the Rigol DSA815 to make this measurement.

Review: Test Probes, Inc. (TPI) connector adapter kit

The EMC Blog -

How many times have you gone to reach for a particular coaxial adapter and failed to find the right one? Test Probes, Inc., now Test Products International (TPI) has two coaxial connector adapter kits and one of my colleagues traded an extra Model TPI 3000A kit for something I had that he needed. I’d like to describe this remarkable adapter kit.

Review: Picotest J2150A harmonic comb generator

The EMC Blog -

Picotest has just introduced a very unique harmonic comb generator (Picotest calls it a harmonic injector) that’s not only designed to reveal resonances in power supply and voltage bus designs (power integrity), but also has interesting uses in EMC measurement and troubleshooting. It also has several unique features that really set it apart from all other comb generators.

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