Simon Kueppers

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This paper presents a frequency quadrupler implemented in a 130nm SiGe:C technology suitable for radar systems with spatially distributed transmitters and receivers. The circuit is based on cascading the bootstrapped Gilbert-Cell doubler topology with differential inputs and differential outputs presented in [1]. In conjunction with a balancing input(More)
Flow injection methods utilising the Karl Fischer (KF) reaction with spectrophotometric and potentiometric detection are described for the determination of the trace water content in various organic solvents. Optimisation of the methods resulted in an accessible (linear) working range of 0.01-0.2% water for many solvents studied with a typical precision of(More)
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