Title :
DC & transient circuit simulation methodologies for organic electronics
Author :
Navan, Ramesh R. ; Thakker, Rajesh A. ; Tiwari, S.P. ; Baghini, M. Shojaei ; Patil, M.B. ; Mhaisalkar, S.G. ; Rao, V. Ramgopal
Author_Institution :
EE-Dept. IIT Bombay, IIT Bombay, Mumbai, India
Abstract :
This work establishes a novel circuit simulation methodology for organic thin film transistors (OTFTs). Because of a lack of well developed physical models for OTFTs and due to the limitations of conventional parameter extraction techniques, the approaches presented in this work come in handy for circuit designers. The first approach uses a look-up table (LUT) model, which is implemented in a general purpose public-domain circuit simulator SEQUEL (solver for circuit equations with user-defined elements). In the second approach, circuit simulation is performed using equivalent SPICE parameters, which are extracted using a global optimization technique namely particle swarm optimization (PSO) algorithm. A good match has been observed between LUT simulations and SPICE based circuit simulations for both DC and transient cases.
Keywords :
SPICE; circuit optimisation; circuit simulation; digital integrated circuits; integrated circuit design; organic semiconductors; particle swarm optimisation; table lookup; thin film transistors; transient analysis; DC circuit simulation; LUT model; PSO algorithm; SPICE; circuit design; global optimization; look-up table; organic electronics; organic thin film transistor; particle swarm optimization; public-domain circuit simulator SEQUEL; solver for circuit equations with user-defined elements; transient circuit simulation; Circuit simulation; MOSFETs; Organic electronics; Organic semiconductors; Organic thin film transistors; Particle swarm optimization; SPICE; Table lookup; Thin film transistors; Voltage; Look-up table (LUT); Organic thin film transistor (OTFT); Particle swarm optimization (PSO); SEQUEL;
Conference_Titel :
Electron Devices and Semiconductor Technology, 2009. IEDST '09. 2nd International Workshop on
Conference_Location :
Mumbai
Print_ISBN :
978-1-4244-3831-0
Electronic_ISBN :
978-1-4244-3832-7
DOI :
10.1109/EDST.2009.5166122