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We present a novel method simplifying matching network synthesis and design based on a tunable low-pass matching network topology. This method exploits the Smith chart in a novel way. Analytic expressions for calculating the optimal matching network for automatically adapting the load to the source impedance are derived. This work is applied to a new antenna tuning unit concept able to calibrate...
We present a method to automatically match a system to the load variation accurately with a very short matching time for ultra low power medical applications. A demonstrator was fabricated and an experimental set-up in the medical implant communication system (MICS) frequency band of 402-405 MHz was realized including a pacemaker antenna prototype immersed on a homogeneous lossy liquid. The matching...
Above-IC high-Q (1100) Lamb wave resonators are proposed to replace classical off-chip SAW resonators and LC components to increase the resolution of continuous-time bandpass delta-sigma modulators. Moreover, these resonators are suitable for co-integration with BAW technology and thus make possible highly integrated digital architectures which simultaneously include BAW antenna filters and IF resonators.
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