Robbe Riem
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A 2 MS/s Full Bandwidth Hall System with Low Offset Enabled by Randomized Spinning Open
In this paper, a Hall plate readout with a randomized four-phase spinning-current scheme is proposed. The goal is to remove the maximum number of offset components, including the offset associated with spike demodulation. The outcome is th…
A Low-Noise Instrumentation Amplifier With Built-in Anti-Aliasing for Hall Sensors Open
We present a compact, versatile Hall readout system with digital output, fully integrated in 180 nm technology. The core of the system is an instrumentation amplifier architecture that provides inherent anti-aliasing filtering, where the a…
The Analog Behavior of Pseudo Digital Ring Oscillators Used in VCO ADCs Open
In this work, we focus on the three most relevant pseudo-digital ring oscillator circuits for VCO A/D conversion. First, we show that they can be accurately modeled by an equivalent 2-terminal diode-like element. Next, we study the main an…