MOSFET mismatch in weak/moderate inversion: model needs and implications for analog design - Laurent Vancaillie; Fernando Silveira; Bernabé Linares-Barranco; Teresa Serrano-Gotarredona; Denis Flandre (ESSCIRC 2003 - 29th European Solid-State Circuits Conference, Estoril, Portugal, September 16-18, 2003, 2003)