Jarno Salomaa

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This paper presents an advanced self balancing bridge accelerometer with closed loop digital feedback using the sigma delta-chip. Self-balancing bridge reduces the squeeze film damping by introducing the holes in the structure as add on to the proposed structure. The total area of the electrodes is 7. 44*10-6 as compared to the total area of the holes which(More)
In this paper, we present a blackout and brownout insensitive energy harvesting ASIC for ultra-low power autonomous sensor applications. It utilizes both RF or DC power inputs to deliver a regulated voltage for on-chip and off-chip devices. A voltage limiter has been integrated for overvoltage protection. As the ASIC utilizes two regulators alternately, a(More)