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Avoiding design changes for long-life RF systems


Rochester Electronics offers end-to-end support for the complete RF chain D


esigners everywhere face the never- ending battle of managing the


mismatch between their system’s lifecycle and the obsolescence of the components within it. In long-life digital systems, when key


“heart-beat” components such as Processors are made end-of-life, customers are forced to decide between an unwanted component last-time-buy, and a system redesign.


An RF system designer for equipment


such as Mobile Broadband, Broadcast, Military Radio and Satellite Comms, Radar, Aerospace, (Beacons and Transponders) and certain Medical applications, must manage each and every component in the signal chain as a “critical” part. Optimising the Linearity-Gain-Noise-


Power-Cost compromise over a given frequency band in a RF design demands


careful component selection, and in most cases, this leads to a single source of supply. In addition to the restricted component


choice, a complex RF system imposes on the designer, many of these applications are also categorised by long production and service lives, and an extremely costly qualification process. Product redesign and requalification are to be avoided at all costs!


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FEBRUARY 2021 | ELECTRONICS


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