Digitally Assisted Analog Integrated Circuits

Digitally Assisted Analog and RF Circuits

In this paper, the importance and perspective for the digitally-assisted analog and RF circuits are discussed, especially related to wireless transceivers. Digital calibration techniques for compensating I/Q mismatch, IM2, and LO impairments in cellular, 2.4GHz WiFi, and 60GHz WiGig transceivers are introduced with detailed analysis and circuit implementations. Future technology directions such...

Digitally Assisted Analog to Digital Converters

This chapter discusses how digital assistance can be leveraged in the design of analog to digital converters. Different types of digital assistance are defined, and a few of the possible applications selected for detailed discussion. Finally, an example of an ADC implementation heavily leveraging digital assistance is presented.

Digitally-Assisted Analog Front-end for Biomedical Sensors

Biomedical sensors are used to measure a myriad of biopotential signals including electroencephalogram (EEG), electrocardiogram (EKG), electromyogram (EMG), and neural field potential (NFP) signals [1], [2], [3]. Most of the useful information in these signals resides in the frequency range of 0.5 Hz to 1 kHz, allowing ultralow power circuits to be used when processing them. This is critical fo...

Fault Diagnosis of Analog Integrated Circuits Fault Diagnosis of Analog Integrated Circuits

Tolerance Analysis in MOSFET Analog Integrated Circuits

The goal of the design and optimization phase in analog integrated circuits conception is to get the structure yielding the best system performance. The parameters of various components (resistance, capacitance, transistors, etc) of the circuit are set to the optimized nominal values, but no guarantee exists that these values will be conserved during the fabrication process. As a matter of fact...