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An Integrated Implantable Stimulator That is Fail-Safe Without Off-Chip Blocking-Capacitors
TLDR
We present a neural stimulator chip with an output stage (electrode driving circuit) that is fail-safe under single-fault conditions without the need for off-chip blocking-capacitors. Expand
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A CMOS Magnitude/Phase Measurement Chip for Impedance Spectroscopy
The measurement of electrical impedance is used in a plethora of biomedical applications. The most common technique used is synchronous demodulation, which provides the real and imaginary parts ofExpand
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A CMOS analog winner-take-all network for large-scale applications
TLDR
A CMOS scalable high-speed current-mode asynchronous winner-take-all WTA circuit can resolve input currents differing by less than 1 /spl mu/A with negligible loss of operating speed. Expand
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Low-voltage MOS linear transconductor/squarer and four-quadrant multiplier for analog VLSI
TLDR
The proposed class-AB analog cells are very compact, exhibit low total harmonic distortion and low nonlinearity, and are compatible with low-power and low-voltage operation. Expand
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A 230-nW 10-s time constant CMOS integrator for an adaptive nerve signal amplifier
TLDR
This paper describes a micropower CMOS integrator with an extremely large time constant for use in a variety of low-frequency signal processing applications. Expand
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A Compact Rail-to-Rail Class-AB CMOS Buffer With Slew-Rate Enhancement
TLDR
In this brief, a simple slew-rate enhancement scheme for rail-to-rail class-AB CMOS buffers has been presented. Expand
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An ASIC Front End for Planar High-Frequency Contactless Inductive Position Sensors
TLDR
We describe an application-specific integrated circuit (ASIC) front end for readout and control of planar high-frequency contactless inductive position sensors that contain transmitter and receiver coils on a fixed printed circuit board and a moving passive resonant target. Expand
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A low-power analog motion estimation processor for digital video coding
TLDR
This paper presents the design of an analog motion estimation processor which overcomes these limitations and achieves excellent PSNR performance. Expand
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Current Conveyor-Based Square/Triangular Waveform Generators With Improved Linearity
TLDR
Two second-generation current conveyor (CCII+)-based resistance-capacitance (RC) square/triangular waveform generators, which have been derived from their voltage-mode op-amp-based schemes, with independent control of frequency are presented in this paper. Expand
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An Integrated Passive Phase-Shift Keying Modulator for Biomedical Implants With Power Telemetry Over a Single Inductive Link
TLDR
This paper presents a passive phase-shift keying (PPSK) modulator for uplink data transmission for biomedical implants with simultaneous power and data transmission over a single 13.56 MHz inductive link. Expand
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