A 60 $\mu$W 60 nV/$\surd$Hz Readout Front-End for Portable Biopotential Acquisition Systems

Fully Integrated Biopotential Acquisition Analog Front-End IC

A biopotential acquisition analog front-end (AFE) integrated circuit (IC) is presented. The biopotential AFE includes a capacitively coupled chopper instrumentation amplifier (CCIA) to achieve low input referred noise (IRN) and to block unwanted DC potential signals. A DC servo loop (DSL) is designed to minimize the offset voltage in the chopper amplifier and low frequency respiration artifacts...

High dynamic range 60 MHz powerline front-end IC

Presented for the first time, is a novel broadband powerline front-end realised in 0.25 mm SiGe BiCMOS with superior performance. The frequency range of the transmitter (TX) and the direct conversion receiver (RX) exceeds 60 MHz with a very wide dynamic range up to 99.5 dB for the lowest channel bandwidth. The integrated IF filter is tunable from 1 up to 8 MHz. The measured input-referred noise...

Comparison of OQPSK and CPM for Communications at 60 GHz with a Nonideal Front End

Short-range digital communications at 60GHz have recently received a lot of interest because of the huge bandwidth available at those frequencies. The capacity offered to the users could finally reach 2Gbps, enabling the deployment of new multimedia applications. However, the design of analog components is critical, leading to a possible high nonideality of the front end (FE). The goal of this ...

A digital Front-End Readout MIcrosystem for calorimeters at LHC

The Front-End Read-out MIcrosystem (FERMI) for calorimeters at LHC presented last year has been further developed with the aim to achieve a fu l l silicon implementation early 1994. Each microsystem will, as before, contain 9 channels with 15-16 bits dynamic range using IO-bit AD converters sampled every 15 ns. The function is accomplished by using a non-linear amplifier in front of the ADC to ...

Design of an Analog Front-end for Ambulatory Biopotential Measurement Systems