Articles Tagged with ''signal''

SIJ technical editor Eric Bogatin notes that there are some problems that occur over and over again across product families and applications. They have a handful of essential principles at their underlying root cause. In this blog, he explains that if we really understand these underlying principles, the root cause of the problems will be more apparent and their solutions closer to implement.

In the high-speed connector design arena, there are two opposing ideas. For some people, if you simply put pieces of plastic and metal together, eventually you have a signal transmission. This process is very simple. On the other end of the spectrum, there is the idea that a solid connector design requires a deep understanding of electromagnetic theory, a wisdom only sorcerers and wizards possess.

 “A few minutes upfront checking will save you hours of frustration later,” Eric Bogatin explains seven features of s-parameters

Eric Bogatin explains the figures of merit in the time and frequency domain, and he steps through how to get a rough measure of the highest frequency components in a signal.

VRMs and VRM controllers are often selected based on size, efficiency, price, or a relationship with the manufacturer. This often leads to a poor VRM selection, requiring additional engineering resources, greater time to market, as well as, higher BOM costs to correct the deficiencies. In this article, we evaluate the choices, define some useful figures of merit, and provide specific selection suggestions.

If we know how to design interconnects that correlate with the measurements for 28 Gbps NRZ, is it going to be a "free lunch" to move to 56 Gbps NRZ? Not so easily, as I learned recently. Read on to see how you can benefit from some analysis and validating your tools.

A common design technique for power distribution networks (PDN) is the determination of the peak distribution bus impedance that will assure that the voltage excursions on the power rail will be maintained within allowable limits, generally referred to as the target impedance. In theory, the allowable target impedance is determined by dividing the tolerable voltage excursion by the maximum change in load current.

Spectrum GmbH has announced an option (M4i.22xx-ir40m) for its highly successful, high-speed 22xx series of digitizer products that increases their sensitivity and therefore absolute resolution for low amplitude signals in the ±40 mV up to ±0.5 V range.  The current products are optimized to acquire, store and analyze signals in the ±200 mV up to ±2.5 V range.