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The widths of the peaks depend highly on the number of samples per cycle. It also depends a lot on the windowing function that is used.My hunch is that, for an FFT, it is often an indicator of

---In ltspice@..., <405a82e5@...> wrote: Thanks, Frank. The omicron article gives good information, including derivations. Thanks for posting the link. The first condition is pretty easy -

Steve K. wrote: " ... what's the narrowest possible harmonic bandwidth that ought to be expected? In other words, when is the simulation as optimized as it can be?" Good question. I don't know. Steve

Hello Andy Andy: If they were complementary, then |Vop| and |Vom| would be nearly equal, their phases would be opposite (180 degrees apart), and V(vop,vom) would be larger than either one, rather than

In message <l87u7c+ebvu@...>, dated Tue, 10 Dec 2013, "skleiser@..." <skleiser@...> writes: harmonic bandwidth doesn't depend on those things. Embedded in the Help on the B

Given (in this case) a square wave of fixed frequency, fast but non-zero rising & falling edges, 50% duty cycle, and an exact integer number of cycles (etc.), what's the narrowest possible harmonic

Thanks, Frank. The omicron article gives good information, including derivations. Thanks for posting the link. The first condition is pretty easy - inject the signal at the input to the op amp as

Mike, If you only want to put one cursor on the trace up can click right or left click on the label. It works fine for me, if I set the cursor near the 0 dB point before I expand the trace. It takes

Thanks all, it's working! numbered the pins 1 to 9.

Thanks, Rick. Do you mean Left Click? I tried it and still got inconsistent results, especially when you zoom in on the waveform. It takes quite a bit of fiddling to get the cursor as close to 0 dB as

Hello, You will find examples in our Files section. http://groups.yahoo.com/neo/groups/LTspice/files/%20Lib/OTA%20CA3080%20and%20LM13700/ Just copy LM13700.asy and LM13700.mod in the folder of your

Hello, You have to number the "Netlist Order" in the symbol pins in the order 1 to n, e. g. 1,2,3,4,5,6,7,8,9 regardless of the pin names/numbers in the ".subckt ...". Best regards, Helmut

Ok, replaced the .MOD file to my own working dir. And included the following: .INCLUDE C:\Users\...\LTSPICE lib\LM13700.MOD Now LTSpice is telling me there's a port mismatch between "lm13700" and

Opened and saved it with notepad++, also tried deleting all the commented stuff/weburls. Still got the error. [IMG]http://i.imgur.com/6U4T1PU.png[/IMG]

In message <6939C6D9E5727A428B0A00DBB4359A3226AB9E8E@...>, dated Tue, 10 Dec 2013, Ray Merewether <ray.merewether@...> writes: Indeed, but that might not produce a 'Cannot

mummiewikkel wrote: Did the following: Don't put your models anywhere in LTspice's libraries. Put it in your own working directory, which should not be in your computer's "&#92;Program Files" (or

M.Rakesh Sharma wrote: I am designing a circuit in LTSPICE. I need a variable resistor to use it Are you trying to use a varistor (a resistor with a nonlinear resistance, its resistance depends on the

Don’t use notepad. It screws up the LTspice preferred end of line character. Search the message archives for “Notepad” Sent: Tuesday, December 10, 2013 8:03 AM To: LTspice@...

I get the error message, maybe I'm forgetting something, but lost my way trying to solve this error last couple of hours. Did the following: 1. Made LM13700.MOD file in notepad (path:

Mike, You can attach a cursor to the plot and drag it where ever you want.. Right click on the trace label. The display is in the lower right and it is easy to see the numbers change as you move the