LTspice Tutorials from CMOSedu.com
 

LTspice at CMOSedu.com (examples, downloads, links, etc.). 

EE 220D LTspice discussions, examples, and even more videos for first semester circuits.

Video tutorial on using LTspice on the Mac is found here.  

Help doing a .op sim on the Mac is here.  

 

LTspice_video_1

(13:50)

- installing LTspice and running an operating point (.op) simulation, CMOSedu_sim1.asc (right click these *.asc files to “Save as”)

LTspice_video_2  

(21:43)

- dependent sources in operating point, transient, and DC sweeps, CMOSedu_sim2.asc, CMOSedu_sim3.asc, CMOSedu_sim4.asc, CMOSedu_sim5.asc, and CMOSedu_sim6.asc

LTspice_video_3

(21:01)

- making an ideal op-amp subcircuit and symbol, probing subcircuits, CMOSedu_video_3.zip

LTspice_video_4

(23:48)

- example simulations from Ch. 1 of the CMOS book, pages are seen in CMOSedu_SPICE_Ch_1.pdf, simulations files are found in CMOSedu_video_4.zip

LTspice_video_5

(27:43)

- simulating an inverter and ring oscillator, simulations files are found in CMOSedu_video_5.zip


Tips and Examples:

1.

Using the current-controlled current source (CCCS) and the voltage-controlled voltage source (VCVS) – tip_1

2.

Making visible/invisible component parameters such as a MOSFET’s width/length or capacitor effective series resistance – tip_2

3.

Modeling a transformer – tip_3

4.

If the output plots are jagged add the spice directive ".options plotwinsize=0" to the schematic

   

http://cmosedu.com/videos/ltspice/ring.jpg

 

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