Browsing by UPNA Author "Garde Luque, María Pilar"
Now showing items 1-10 of 10
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1-V 15-μW 130-nm CMOS super class AB OTA
A super class AB recycling folded cascode amplifier in 130 nm CMOS is presented. It combines for the first time adaptive biasing of the differential input pair, nonlinear current mirrors with current starving and dynamic ... -
Class AB amplifier with enhanced slew rate and GBW
The design of a micropower class AB operational transconductance amplifier with large dynamic current to quiescent current ratio is addressed. It is based on a compact and power-efficient adaptive biasing circuit and a ... -
Energy-efficient amplifiers based on quasi-floating gate techniques
Energy efficiency is a key requirement in the design of amplifiers for modern wireless applications. The use of quasi-floating gate (QFG) transistors is a very convenient approach to achieve such energy efficiency. We ... -
Folded Cascode OTA with 5540 MHzpF/mA FoM
A micropower single-stage folded cascode amplifier able to drive a wide range of capacitive loads is presented. It features class AB operation and includes power-efficient adaptive biasing techniques, which provide enhanced ... -
On the optimal current followers for wide-swing current-efficient amplifiers
The design of various current followers for the implementation of OTAs with high slew rate and current efficiency is addressed. Two basic current follower topologies are compared, and modifications of both followers to ... -
Power efficient simple technique to convert a reset-and-hold into a true-sample-and-hold using an auxiliary output stage
A technique to implement true-sample-and-hold circuits that hold the output for almost the entire clock cycle without resetting to zero is introduced, alleviating the slew rate requirement on the op-amp. It is based on a ... -
Power-efficient CMOS circuits for energy harvesting supplied IoT systems
En esta tesis se han aplicado técnicas de baja tensión y bajo consumo para implementar nuevos circuitos analógicos (principalmente amplificadores). Estos circuitos están orientados a dispositivos energéticamente autónomos ... -
Super class AB RFC OTA using non-linear current mirrors
An alternative approach to the design of super class AB recycling folded cascode operational transconductance amplifiers is proposed. Instead of using local common-mode feedback for boosting dynamic currents, simple current ... -
Super class AB RFC OTA with adaptive local common-mode feedback
A super class AB recycling folded cascode operational transconductance amplifier is presented. It employs local common-mode feedback using two matched tuneable active resistors, allowing to adapt the amplifier to different ... -
Wide-swing class AB regulated cascode current mirror
A micropower regulated cascode CMOS current mirror is presented, combining floating gate and quasi floating gate MOS transistors to achieve both wide swing and class AB operation, respectively. Measurement results for a ...