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From: john larkin <JL@gct.com>
Newsgroups: sci.electronics.design
Subject: Re: 80dB now but still needs improvement at 1KHz
Date: Thu, 07 Nov 2024 07:23:39 -0800
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On Thu, 07 Nov 2024 05:57:24 GMT, Jan Panteltje <alien@comet.invalid>
wrote:

>On a sunny day (Wed, 6 Nov 2024 12:21:39 -0500) it happened "Edward Rawde"
><invalid@invalid.invalid> wrote in
><vgg8j4$k3i$1@nnrp.usenet.blueworldhosting.com>:
>
>>"Jan Panteltje" <alien@comet.invalid> wrote in message news:vgf4jc$7vn5$1@solani.org...
>>> On a sunny day (Tue, 5 Nov 2024 11:00:42 -0500) it happened "Edward Rawde"
>>> <invalid@invalid.invalid> wrote in
>>> <vgdffb$ibt$1@nnrp.usenet.blueworldhosting.com>:
>>>
>>>>"Jan Panteltje" <alien@comet.invalid> wrote in message news:vgccvm$6jk3$1@solani.org...
>>>>> On a sunny day (Mon, 4 Nov 2024 11:31:01 -0500) it happened "Edward Rawde"
>>>>> <invalid@invalid.invalid> wrote in
>>>>> <vgass6$28u2$1@nnrp.usenet.blueworldhosting.com>:
>>>>>
>>>>>>"Jan Panteltje" <alien@comet.invalid> wrote in message news:vg9pnu$ekhh$1@solani.org...
>>>>>>> On a sunny day (Sun, 3 Nov 2024 23:06:04 -0500) it happened "Edward Rawde"
>>>>>>> <invalid@invalid.invalid> wrote in
>>>>>>> <vg9h7b$277o$1@nnrp.usenet.blueworldhosting.com>:
>>>>>>>
>>>>>>>>Simulation isn't fast but if you let it complete and do an FFT on the last 30 seconds, it's 80dB down at all unwanted
>>>>>>>>harmonics.
>>>>>>>>There do however seem to be unwanted sidebands close in either side of 1KHz
>>>>>>>>Any suggestions for improvement?
>>>>>>>
>>>>>>> Publish a circuit diagram.
>>>>>>> Not that hard to make !
>>>>>>
>>>>>>If you mean ASCII art, no thanks in the case of this circuit.
>>>>>
>>>>> Easy to make a screen shot of your spice circuit and upload it one of those free image publication sites
>>>>>
>>>>> You do not seriously expect readers to start ancient peesees and use millisoft widows emulators to run tea spices
>>>>> https://panteltje.nl/panteltje/scope_tv/diagram.jpg
>>>>> https://panteltje.nl/pub/swr_bridge_hl_lt_spice.gif
>>>>>
>>>>
>>>>These appear to be LTSpice, so why can't you use it to view my circuits?
>>>
>>> As I pointed out, am reading Usenet on a Raspbeery Pi4 8GB
>>> Does everything here from spectrum analyzing to audio to video play
>>> Why boot up an acient peesee to start a millisoft widows emulator
>>> to look up some 80 deebee thingy that likely never has a practical use?
>>
>>Well, Bessel came up with his functions long before FM broadcasting. Ok you can use Carson's rule but Wikipedia says:
>>"In 1922 he published a mathematical treatment of frequency modulation (FM), which introduced the Carson bandwidth rule."
>>Which pre dates FM broadcasting.
>>
>>While designing my circuit I found this document very useful:
>>https://www.google.com/search?q=The+Field+Effect+Transistor+as+a+Voltage+Controlled+Resistor
>>It doesn't mention doing anything in a lab.
>>
>>>
>>>
>>>>In any case if you can't simulate my circuits you won't be able to appreciate how brilliant a designer I am like Bill does.
>>>
>>> 80 deebee makes me wonder if you not better spend your time on making e-bikes from vipes...
>>> com/gadgets/2024/11/disposable-vapes-from-a-music-festival-can-power-a-beefy-e-bike-20-miles/
>>>
>>> And elteasprites simu is not worth a thing, reality is different from the models used
>>
>>Reality is always different from models because models can never have everything that reality has.
>>But this does not mean that models aren't useful.
>>Simulation can do a lot to tell you you're going in the right direction.
>>This can save a lot of time when you get to do it in reality.
>>
>>> I stopped using it long ago (years)
>>> My stuff works.
>>
>>My sync separators worked too, back when I needed one.
>>They weren't quite like yours, I think I got an idea from Video Handbook by someone, I forget who.
>>
>>>
>>> ElTeaSprites is a bit like Hollowwood movies.
>>> Burb .. I mean Kirk.. well
>>> I do not question your genius,
>>
>>Well you should.
>>Anyone who claims to be a genius might as well be telling you that they aren't.
>>
>>Just one more thing.
>>Writing PC as peesee is fine if you're composing something like this:
>>https://www.google.com/search?q=I+halve+a+spelling+chequer
>>But doing it repeatedly with every other word starts to make your perceived age go down.
>
>I use my spell shaker

Your posts are getting ever more annoying and unreadable.