Portal de Periódicos da CAPES

Transparent Current Mirrors With a-GIZO TFTs: Neural Modeling, Simulation and Fabrication

2013; Institute of Electrical and Electronics Engineers; Volume: 9; Issue: 12 Linguagem: Inglês

10.1109/jdt.2013.2275251

1558-9323

Pydi Ganga Bahubalindruni, Vítor Grade Tavares, Pedro Barquinha, Cândido Duarte, Pedro Oliveira, Rodrigo Martins, Elvira Fortunato,

Silicon and Solar Cell Technologies

This paper characterizes transparent current mirrors with n-type amorphous gallium-indium-zinc-oxide (a-GIZO) thin-film transistors (TFTs). Two-TFT current mirrors with different mirroring ratios and a cascode topology are considered. A neural model is developed based on the measured data of the TFTs and is implemented in Verilog-A; then it is used to simulate the circuits with Cadence Virtuoso Spectre simulator. The simulation outcomes are validated with the fabricated circuit response. These results show that the neural network can model TFT accurately, as well as the current mirroring ability of the TFTs.