A Current-Mode TransImpedance Amplifier for Capacitive Sensors

Transimpedance amplifier with differential photodiode current sensing

This paper presents a balanced receiver structure suitable for wireless infrared data communications. The receiver provides a fixed photodiode bias voltage with the use of a regulated cascode input stage. Together with an active feedback loop used to eliminate dc photocurrents, the receiver implements ac coupling without the need for matching capacitors. Differential sensing of the photodiode c...

A 0.18μm Cmos Low Power Capacitive- Feedback Transimpedance Amplifier for Optical Biosensing Interface

This paper presents the design, implementation and simulation of a high-gain, low-power, low-noise CMOS front-end transimpedance amplifier (TIA) for optical interfacing between a biosensor array and analog neural circuits of biohybrid robot controller along with description of Central Pattern Generator (CPG) design used for Cyberplasm based biomimetic robot controller. The proposed TIA uses an ...

Stabilize Your Transimpedance Amplifier - Maxim

Abstract: Transimpedance amplifiers (TIAs) are widely used to translate the current output of sensors like photodiode-to-voltage signals, since many circuits and instruments can only accept voltage input. An operational amplifier with a feedback resistor from output to the inverting input is the most straightforward implementation of such a TIA. However, even this simple TIA circuit requires ca...

A CMOS current - mode operational amplifier

A 76dBΩ 1.7GHz 0.18µm CMOS tunable transimpedance amplifier using broadband current pre-amplifier for high frequency lateral micromechanical oscillators

The frequency reference oscillator is a pivotal block in modern radio transceivers. Currently, modern transceivers rely on off-chip low frequency (<100MHz) quartz crystal reference oscillators [1]. Silicon micromechanical oscillators are suitable alternative to quartz crystal oscillators due to their small form-factor, higher frequency, and integration potential with ICs [2]-[4]. In multi-gigah...