David Cordova

  • Citations Per Year
Learn More
A self-biased current reference based on the MOSFET Zero Temperature Coefficient (ZTC) condition is presented. It can be implemented in any CMOS process and it provides a simple alternative to design a reference current suitable for low TC biasing. This topology was designed in a 0.18 μm process to generate 5 μA under a supply voltage from 1.4V to 1.8(More)
A low-voltage high-PSRR CMOS voltage reference operating with picowatt power consumption is presented. The voltage reference is generated from the threshold voltage (V<sub>T</sub>) difference of two transistors biased in weak inversion. The V<sub>T</sub> difference is achieved through its dependence with the transistor dimensions. The high-PSRR is obtained(More)
Abstract—The linearity and noise requirements in multi-band multi-standard applications make the design of RF CMOS circuits very challenging. A wideband low-noise transconductance amplifier (LNTA) in CMOS 0.13 mm technology that operates between 1-6 GHz is presented. The LNTA is based on a shuntfeedback (SFB) amplifier with current-reuse scheme and(More)
The linearity and noise requirements in multi-band multi-standard applications make the design of RF CMOS mixers a very challenging task. In this paper a new highly linear CMOS mixer based on the Gilbert-cell topology is proposed. We introduce a second- and third-order distortion cancellation mechanisms using Post-distortion harmonic cancellation (PDHC). A(More)
An electromagnetic interference (EMI) source can significantly degrade the performance of a current reference since its finite Power Supply Rejection Ratio (PSRR) of the later. For that reason A modified current reference with high immunity to EMI and a new current mirror structure insensitive to induced EMI are proposed based on the classic boot-strapped(More)