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In this paper three transmitter architectures are compared, that each use the low-frequency envelope and high-frequency phase component of an RF signal. A power amplifier (PA) with Pulse Width Modulation by Variable Gate Bias (PWMVGB) is compared to an Envelope Elimination and Restoration (EER) and Envelope Tracking (ET) configuration. The test circuit is implemented using a discrete GaN HEMT powe
Per Ströms rapport Med storebror i uppfinnarverkstan från stiftelsen Den nya välfärden pekar på övervakningssamhället som ett hot mot demokratin och den enskildes integritet. Men integritetsidealet kanske bör se helt annorlunda ut än vad Ström anser. Det skriver Mikael Sundström, universitetslektor i statsvetenskap vid Lunds universitet.
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Enterprise systems (ES) offer integrative business solutions to entire organisations. However, it is often found that other software programs such as spreadsheets, which are one of the most common software used in end user developments (EUD), are used to complement ES in several business processes. This proposal intends to study the complementary role of EUD to ES in budgeting to describe and expl
