A method for the on-line calibration of a circuit Most of the methods described sense the inductor curboard trace resistance at the output of a buck converter is rent, which has the same DC value as the output current, described. The input current is measured with a precision and tracks it well up to the closed-loop bandwidth of the resistor and processed to obtain a DC reference for the output...

Introduction Transmit array systems offer the promise of accelerated excitation, B1 shimming, and the potential for SAR and RF safety management [1,2], while also demanding high-fidelity RF playback in a challenging multi-channel environment. Tx coil arrays are subject to mutual coupling and loading variations, while RF power amplifiers exhibit non-linearity, ill-defined output impedances, and ...

Total left ventricular external power and aortic input impedance spectra were calculated from recordings of pulsatile pressure and flow in the ascending aorta of 22 human subjects undergoing cardiac catheterization. Eleven subjects had increased aortic pressure (systolic 153 +/- 3.8[SEM] mm Hg, p less than .001; diastolic 91 +/- 2.4 mm Hg, p less than .03; mean 118 +/- 2.4 mm Hg, p less than .0...

The general utility of the operational amplifier is derived from the fact that it is intended for use in a feedback loop whose feedback properties determine the feed-forward characteristics of the amplifier and loop combination. To suit it for this usage, the ideal operational amplifier would have infinite input impedance, zero output impedance, infinite gain and an open-loop 3 dB point at infi...

The general utility of the operational amplifier is derived from the fact that it is intended for use in a feedback loop whose feedback properties determine the feed-forward characteristics of the amplifier and loop combination. To suit it for this usage, the ideal operational amplifier would have infinite input impedance, zero output impedance, infinite gain and an open-loop 3 dB point at infi...

A prototype Integrated Power System that is representative of advanced power systems of future warships is considered. This system is comprised of an AC Generation and Propulsion System as well as a DC Zonal Electrical Distribution System. Obtaining accurate average-value models of individual subsystems that can be used for extracting the input/output impedance as well as for increasing the sim...

A current mirror (CM) based on self cascode MOSFETs low voltage analog and mixed mode structures has been proposed. The proposed CM has high output impedance and can operate at 0.5 V. P-Spice simulations confirm the high performance of this CM with a bandwidth of 6.0 GHz at input current of 100 μA. Keywords—Current Mirrors, Composite Cascode Structure, Current Source/Sink.

A new very high performance low voltage cascode current mirror (CM) circuit is proposed in this work. The CM utilizes the low supply voltage and low input resistance characteristics of a cascode CM. In this CM, cascode configuration is used to obtain a wide operating current range and resistance compensation technique is incorporated to increase the operating bandwidth. The peaking in frequency...