{"product_id":"adaptive-rf-front-ends-for-hand-held-applications-von-andre-van-bezooijen-reza-mahmoudi-arthur-van-roermund","title":"Adaptive RF Front-Ends for Hand-held Applications","description":"\n                \u003cp\u003eThe RF front-end – antenna combination is a vital part of a mobile phone because its performance is very relevant to the link quality between hand-set and cellular network base-stations. The RF front-end performance suffers from changes in operating environment, like hand-effects, that are often unpredictable.\u003c\/p\u003e \n\u003cp\u003e\n                    \u003cem\u003eAdaptive RF Front-Ends for Hand-Held Applications\u003c\/em\u003e presents an analysis on the impact of fluctuating environmental parameters. In order to overcome undesired behavior two different adaptive control methods are treated that make RF frond-ends more resilient: adaptive impedance control, and adaptive power control.\u003c\/p\u003e \n\u003cp\u003eSeveral adaptive impedance control techniques are discussed, using a priori knowledge on matching network properties, in order to simplify robust 2-dimensional control.\nA generic protection concept is presented, based on adaptive power control, which improves the ruggedness of a power amplifier or preserves its linearity under extremes. It comprises over-voltage, over-temperature, and under-voltage protection.\u003c\/p\u003e\n            \u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9789400799141\"\u003e\u003ch3\u003e\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9789400799141","offer_id":39452472705117,"sku":"9789400799141","price":106.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/4e500b3e-3731-436a-8351-6e67d3e307c9.jpg?v=1775107895","url":"https:\/\/shop.autorenwelt.de\/products\/adaptive-rf-front-ends-for-hand-held-applications-von-andre-van-bezooijen-reza-mahmoudi-arthur-van-roermund","provider":"Autorenwelt Shop","version":"1.0","type":"link"}