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Blogs
The PIN diode is one of the most versatile types for RF and Microwave designers, which is why it’s used in a broad array of applications from limiters to phase shifters, modulators, attenuators, and switches. In this article we’ll show you how they work and why they’re so well suited for microwave applications. The "PIN" acronym comes from the diode’s P-type, [...] Read More
Blogs
The Schottky-barrier diode has become a staple in the microwave designer’s toolkit because its performance is closer to an “ideal” diode than many other types. In this blog, we’ll show you its advantages and disadvantages. For this versatile device, we have Walter Hans Schottky to thank. Schottky (1886-1976) was a prolific German physicist who patented the superheterodyne [...] Read More
Blogs
  The nuances of RF/microwave design, manufacturing, and testing leave little room for error. And shortening the design, development and manufacturing cycle can be especially challenging. But when several production schedules need to be balanced on a production floor at once, contract manufacturing partners must be considered. This is typically when a microwave product design [...] Read More
Blogs
In our Tech Brief "Tips for Increasing Yields When Wire Bonding Small Mesa Chips" we cover a variety of topics from tools to process development. But one of the more critical tips is about how to spot wire bond failures. In this blog, we've captured the five most common failure-modes so you know what to look for early to ensure your best chance of being qualified to the rigorous [...] Read More
Blogs
The advent of smaller mesas (sometimes < 40 microns) on microwave diodes and other devices, and the ongoing push for faster processing speeds and higher yields, have posed a number of wire bonding challenges to RF and microwave designers and manufacturing technicians alike. Overcoming these challenges requires not only the latest in wire-bonding equipment to accomodate descreasing wire diameters [...] Read More
Blogs
If you've been looking for replacement devices or a new first or second source for your RF and microwave diodes and semiconductors, you can rely on SemiGen. Industry veteran and founder of SemiGen, Jim Morgan, has committed to an RF and Microwave technology and services roadmap that will always allow you to "Get the Edge" you need wherever and whenever other vendors in your [...] Read More
Blogs
The bond pad geometries for MESA chips are shrinking in size progressively as technology advances. Though beneficial for cost reduction and mass production, smaller MESA chip leads and bonding sites exacerbate the failure modes common to a wire bond process. This means that wire bond process developers must be exacting in their consideration of the multitude of wire bonding variables and the configuration [...] Read More
Blogs
From fixing broken equipment to new RoHS requirements leading to part obsolescence, original equipment manufacturers (OEMs) in the RF and microwave industry have many reasons to replace modules over repairing them. Often, predicting the services necessary in advance of the demand for new product lines or failures in small-to-medium scale manufactured items are simply too difficult to track down and [...] Read More
Blogs
As in baseball, RF/Microwave programs are dotted with holes in the lineup, or development chain, from design to repair. Oftentimes, problems arise out of nowhere, and at critical times. In these circumstances, each field is glad to have their utility player around. Here's a few reasons to consider putting a player like SemiGen on your approved vendor list (AVL) today. Being from the Boston area, [...] Read More
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