TY CONF TI EXTRACTION STATIC PARAMETERS SPICE-MODEL OF LED ON THREE POINTS THE CURRENT-VOLTAGE CHARACTERISTIC KW LEDs KW SPICE-parameters KW method extraction static parameters JO CAD/EDA/SIMULATION IN MODERN ELECTRONICS 2021 AU Paderov, V.P. AU Averkin, D.A. PY 2021 PB Bryansk State Technical University