INTRODUCTION While unrealistic to discuss all aspects of product design in a single article, I’ll try to describe the most common design issues I find in the hundreds of client products I’ve had a chance to work on. These issues generally include PC board design, cables, shielding, and filtering. More detailed information may be found in the Reference section below. As … [Read more...]
Filter Installation Issues Pt. 3: Mounting and More
This article is the 3rd and final part of a three-part Filter Installation Issues series. Read Part 1: Input and Output Conductors here. Read Part 2: The Synergy of Filtering and Shielding here. There are now many suppliers of PCB-mounted shielding-cans that can be used with three-terminal filters, and they have many types that can be automatically assembled like any … [Read more...]
Exodus Model AMP4025P-5KW Pulse SSPA, 3.1 – 3.5GHz, 5KW
Exodus Advanced Communications' AMP4025P-5KW operates from 3.1-3.5GHz, delivering 5KW minimum pulse power with excellent RF pulse fidelity. It features a class AB design with -20dBc harmonics and -60dBc spurious. The system includes extensive control and monitoring via a large touchscreen or remote interface, housed in a 17-inch, 8U chassis. Learn more and download the data … [Read more...]
Exodus AMP2074P-2KW, 1.0–2.5 GHz, 2KW Pulse Amp
Exodus Advanced Communications' AMP2074P-2KW Pulse Amp is designed for Pulse, EMC/EMI Mil-Std 461 and Pulse Radar applications. Provides Superb Pulse Fidelity up to 100usec pulse widths. Duty cycles to 10% with a minimum 63dB gain. Available monitoring parameters for Forward/Reflected power in Watts & dBm, VSWR, voltage, current, temperature sensing for outstanding … [Read more...]
Filter Installation Issues Pt. 2: The Synergy of Filtering and Shielding
This article is part 2 of a three-part Filter Installation Issues series. Read Part 1: Input and Output Conductors here. Some mains filter manufacturers only design and specify their filters to provide attenuation over the frequency range of the conducted emissions tests (typically up to 30MHz for commercial and industrial products), to keep costs low. Unfortunately, if … [Read more...]
Exodus 18.0 – 40.0 GHz, 80-Watt SSPA, AMP2145D-LC – Another Industry First!
Exodus Advanced Communications, 18.0 - 40.0 GHz, 80W Solid State Amp is another industry first from Exodus. Designed for Broadband EMC & Lab Testing, Mil-Std 461(RS103) standards as well as other High-Power Applications. Exodus Model AMP2145D-LC is a compact 6U design providing outstanding power/gain flatness, Forward/Reflected power monitoring in both dBm & Watts, … [Read more...]
5 Ways to Eliminate Ground Loops — Part 2
As we discussed in Part 1, Ground Loops, while often not obvious, can be a significant source of frustration for system operators and integrators. This phenomenon manifests as unwanted electrical noise – audible hums in speakers, jitter on screens, noisy measurements, and bad measurement data – and it can even lead to unexpected communications loss and equipment … [Read more...]
Demystifying the Math of EMC
As we progress through the fold of technological developments, be it in commercial products, military advancements, automotive electronics, or any of the other industries where electromagnetic devices are developed, EMI will be present and EMC testing will be required. For those technical personnel who are walking into a laboratory for the first time, learning EMC because … [Read more...]
Filter Installation Issues: Input and Output Conductors
Real-life filter performance is totally dependant on how they are installed, especially on the impedance of the RF Reference and the impedance of the method used to electrically bond the filter to its RF Reference. Not only should these impedances be much lower than that of the shunt capacitors in the filters, they should also allow the internal and external CM surface currents … [Read more...]
5 Ways to Eliminate Ground Loops — Part 1
A Brief Introduction Most workers already know that proper grounding is a fundamental safety precaution for all kinds of electrical equipment. However, it’s less well known that while grounding can prevent and resolve many safety and power issues, improper grounding can create problems in data logging, data acquisition, and measurement and control systems. One of the most … [Read more...]
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