SPICE S parameter for frequency dependent circuit components question

On Saturday, November 20, 2021 at 3:05:19 AM UTC-8, jla...@highlandsniptechnology.com wrote:
> On Fri, 19 Nov 2021 22:21:27 -0800 (PST), whit3rd <whi...@gmail.com> 
> wrote:

> >... In pulse applications, there's 
> >mechanical stress to consider. as well. This little item, for instance, 
> >had a mechanical stress event 
> > 
> ><http://www.capturedlightning.com/frames/gallery/coins6.jpg> 
> > 
> >and no amount of SPICE expertise can model that issue.

> That inductor sees 7 ns 1400 v pulses at up to 5 MHz. So there are no 
> mechanical effects. Or no audible ones!

I wonder if the helix diameter is the same after a few million
such hammer-blows?   It isn't the RMS pressure that causes
metal to stretch, peaks beyond elastic limit are enough.

On Sat, 20 Nov 2021 19:15:07 -0800 (PST), whit3rd <whit3rd@gmail.com>
wrote:

>On Saturday, November 20, 2021 at 3:05:19 AM UTC-8, jla...@highlandsniptechnology.com wrote:
>> On Fri, 19 Nov 2021 22:21:27 -0800 (PST), whit3rd <whi...@gmail.com> 
>> wrote:
>
>> >... In pulse applications, there's 
>> >mechanical stress to consider. as well. This little item, for instance, 
>> >had a mechanical stress event 
>> > 
>> ><http://www.capturedlightning.com/frames/gallery/coins6.jpg> 
>> > 
>> >and no amount of SPICE expertise can model that issue.
>
>> That inductor sees 7 ns 1400 v pulses at up to 5 MHz. So there are no 
>> mechanical effects. Or no audible ones!
>
>I wonder if the helix diameter is the same after a few million
>such hammer-blows?   It isn't the RMS pressure that causes
>metal to stretch, peaks beyond elastic limit are enough.

5 MHz is 400 billion hits per day. I didn't see any change. The peak
current is only about 15 amps.





-- 

Father Brown's figure remained quite dark and still; 
but in that instant he had lost his head. His head was
always most valuable when he had lost it.