David Cordova

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The necessary conditions to design MOSFET transconductors with low temperature dependence are analysed and defined in this paper. Transconductors, or Gm circuits, are fundamental blocks used to implement adjustable filters, multipliers, controlled oscillators, amplifiers and a large variety of analog circuits. Temperature stability is a must in such(More)
The continuous scaling of CMOS devices has required the consequent reduction of the supply voltages. There is a need for analog and RF circuits able to operate under at supplies lower than 0.5 V. This paper presents a voltage reference based on the MOSFET zero-temperature condition (ZTC) that operates with a low 0.5 V supply. The circuit is composed by a(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)