San-tron Blog: Let's Talk RF Coax

Dispelling the Big Myth about Custom RF and Microwave Coaxial Cable Assemblies

Unfortunately, we've found that many RF and microwave designers still believe that the easiest, least expensive, and fastest way to find a RF/microwave coaxial cable assembly to serve an "unusual" situation is to buy a standard coaxial assembly and "make it work." While that may have been the case in the past, it's far from the case today. In fact, lead times for custom coaxial solutions now are no longer and cost no more than a standard coaxial product, and this applies to even truly odd combinations of coaxial cable type, connector, length, and other requirements. And by odd, I mean unlike anything you're likely to find on any RF/microwave coaxial cable supplier's Web site, ranging from combinations of connector type to unusual angles, cable types not generally specified for a particular application, assemblies for incredibly hostile environmental conditions, all or some of the above, and literally hundreds more. I sometimes think we've surely encountered every possible high performance or innovative coaxial cable/connector request, only to be proven wrong the next day.   Read more...

Semi-Rigid Cable Assemblies: Still Alive and Well

IMG_2882_600px Considering the broad array of available flexible, semi-flexible, hand-formable, and other microwave cable assembly variants, it may seem odd that semi-rigid cable assemblies are still used. However, although their use has declined over the years, semi-rigid cables have inherent benefits that continue to make them very useful in specific high-performance applications, some of which cannot be served as well (or at all) by any other coaxial cable type. As a result, they are widely used for connecting rf and microwave components on a PC board, connecting integrated microwave assemblies, within high-performance laboratory instruments, and especially in systems operating at millimeter-wave frequencies.   Read more...

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