1. LTspice 1.LTspice 2.LTspice() 3. 1Copyright (C) Siam Bee Technologies 2014 2014814 http://www.beetech.info 2. About SPICE 2Copyright (C) Siam Bee Technologies 2014 SPICE (Simulation Program with Integrated Circuit Emphasis)is a general- purpose, open source analog electronic circuit simulator. It is a powerful program that is used in integrated circuit and board-level design to check the integrity of circuit designs and to predict circuit behavior. http://en.wikipedia.org/wiki/SPICE 3. LTspice 3Copyright (C) Siam Bee Technologies 2014 .tran AC .ac DC .dc .step param N/A 4. (1)= 1NG (2) (3) (1) (a) (b)(http://wwwspicepark.info) (c) (2) 4Copyright (C) Siam Bee Technologies 2014 5. 1.LTspice (1) SPICE PSpice(1150) LTspicePC (2)IC IC (3) 5Copyright (C) Siam Bee Technologies 2014 6. 1.LTspice (4) PSpice LTspice 6Copyright (C) Siam Bee Technologies 2014 7. 1.LTspice (5) CPU [Simulate]->[Control Pannel]->[SPICE] 7Copyright (C) Siam Bee Technologies 2014 8. 1.LTspice (6) 8Copyright (C) Siam Bee Technologies 2014 Unit Value MEG 10^6 k 10^3 m 10^(-3) u 10^(-6) n 10^(-9) p 10^(-12) 9. 1.LTspice 9Copyright (C) Siam Bee Technologies 2014 u() 10. 2.LTspice 10Copyright (C) Siam Bee Technologies 2014 LTspice New 11. 2.LTspice 11Copyright (C) Siam Bee Technologies 2014 LTspice () 12. 2.LTspice LT3798(PFC)1 IC 12Copyright (C) Siam Bee Technologies 2014 (1)Tool Bar Edit Component (2)Input Parts Number LT3798 (3) Click Open this macromodels test fixture (2) (3) 13. 2.LTspice http://youtu.be/RELZj4NQzZA 13Copyright (C) Siam Bee Technologies 2014 LT3798 Run 14. 2.LTspice 14Copyright (C) Siam Bee Technologies 2014 LT3798 15. 2.LTspice 15Copyright (C) Siam Bee Technologies 2014 LT3798 16. 2.LTspice 16Copyright (C) Siam Bee Technologies 2014 LT3798 Alt 17. 2.LTspice 17Copyright (C) Siam Bee Technologies 2014 MOSFET(M1) MOSFET(M1)ID MOSFET(M1)VDS 18. 3. LTspiceLTspice (.sub.lib.txt.inc ) CProgram FilesLTCLTspice IVlibsub (.asy) CProgram FilesLTCLTspice IVlibsym 18Copyright (C) Siam Bee Technologies 2014