Re: 80dB now but still needs improvement at 1KHz

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Sujet : Re: 80dB now but still needs improvement at 1KHz
De : jeroen (at) *nospam* nospam.please (Jeroen Belleman)
Groupes : sci.electronics.design
Date : 06. Nov 2024, 17:40:08
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vgg5ub$26k77$1@dont-email.me>
References : 1 2 3 4 5 6 7 8
User-Agent : Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0
On 11/6/24 17:26, john larkin wrote:
On Wed, 6 Nov 2024 10:04:42 +0100, Jeroen Belleman
<jeroen@nospam.please> wrote:
 
On 11/6/24 03:39, Edward Rawde wrote:
[Snip!]
Now approacing 90dB if you believe the simulation with with this experimental circuit.
You'll want to find something else to do while it simulates.
How to inprove it further?
>
Version 4
[Deleted....]
>
You are chasing ghosts. Simulation doesn't prove anything at this
level. Build it and measure it.
>
Jeroen Belleman
 Simulation won't asolutely prove what circuits would produce low THD,
but it will pretty definitely show which circuits won't.
 Of course, a sim like this needs good opamp models.
 If one builds it and measures it, what would you use to measure the
distortion?
 
I'm old school: A passive notch filter. It's likely to be fiddly.
Jeroen Belleman

Date Sujet#  Auteur
4 Nov 24 * 80dB now but still needs improvement at 1KHz64Edward Rawde
4 Nov 24 +* Re: 80dB now but still needs improvement at 1KHz62Jan Panteltje
4 Nov 24 i+* Re: 80dB now but still needs improvement at 1KHz23Bill Sloman
4 Nov 24 ii`* Re: 80dB now but still needs improvement at 1KHz22Edward Rawde
5 Nov 24 ii `* Re: 80dB now but still needs improvement at 1KHz21Bill Sloman
6 Nov 24 ii  `* Re: 80dB now but still needs improvement at 1KHz20Edward Rawde
6 Nov 24 ii   +* Re: 80dB now but still needs improvement at 1KHz8Jeroen Belleman
6 Nov 24 ii   i+- Re: 80dB now but still needs improvement at 1KHz1Jan Panteltje
6 Nov 24 ii   i+- Re: 80dB now but still needs improvement at 1KHz1Edward Rawde
6 Nov 24 ii   i`* Re: 80dB now but still needs improvement at 1KHz5john larkin
6 Nov 24 ii   i `* Re: 80dB now but still needs improvement at 1KHz4Jeroen Belleman
6 Nov 24 ii   i  `* Re: 80dB now but still needs improvement at 1KHz3john larkin
7 Nov 24 ii   i   `* Re: 80dB now but still needs improvement at 1KHz2Jeroen Belleman
7 Nov 24 ii   i    `- Re: 80dB now but still needs improvement at 1KHz1john larkin
18 Nov 24 ii   `* Re: 80dB now but still needs improvement at 1KHz11Liz Tuddenham
19 Nov 24 ii    `* Re: 80dB now but still needs improvement at 1KHz10Edward Rawde
19 Nov 24 ii     `* Re: 80dB now but still needs improvement at 1KHz9Liz Tuddenham
19 Nov 24 ii      `* Re: 80dB now but still needs improvement at 1KHz8Edward Rawde
19 Nov 24 ii       `* Re: 80dB now but still needs improvement at 1KHz7Jeroen Belleman
19 Nov 24 ii        +- Re: 80dB now but still needs improvement at 1KHz1Edward Rawde
19 Nov 24 ii        `* Re: 80dB now but still needs improvement at 1KHz5Joe Gwinn
19 Nov 24 ii         `* Re: 80dB now but still needs improvement at 1KHz4john larkin
19 Nov 24 ii          `* Re: 80dB now but still needs improvement at 1KHz3Joe Gwinn
20 Nov 24 ii           `* Re: 80dB now but still needs improvement at 1KHz2Jan Panteltje
20 Nov 24 ii            `- Re: 80dB now but still needs improvement at 1KHz1Joe Gwinn
4 Nov 24 i`* Re: 80dB now but still needs improvement at 1KHz38Edward Rawde
5 Nov 24 i `* Re: 80dB now but still needs improvement at 1KHz37Jan Panteltje
5 Nov 24 i  `* Re: 80dB now but still needs improvement at 1KHz36Edward Rawde
6 Nov 24 i   +- Re: 80dB now but still needs improvement at 1KHz1Bill Sloman
6 Nov 24 i   `* Re: 80dB now but still needs improvement at 1KHz34Jan Panteltje
6 Nov 24 i    +* Re: 80dB now but still needs improvement at 1KHz20Bill Sloman
6 Nov 24 i    i`* Re: 80dB now but still needs improvement at 1KHz19Jan Panteltje
6 Nov 24 i    i +* Re: 80dB now but still needs improvement at 1KHz2Liz Tuddenham
6 Nov 24 i    i i`- Re: 80dB now but still needs improvement at 1KHz1Jan Panteltje
6 Nov 24 i    i `* Re: 80dB now but still needs improvement at 1KHz16Bill Sloman
6 Nov 24 i    i  `* Re: 80dB now but still needs improvement at 1KHz15Liz Tuddenham
6 Nov 24 i    i   +* Re: 80dB now but still needs improvement at 1KHz13Bill Sloman
6 Nov 24 i    i   i`* Re: 80dB now but still needs improvement at 1KHz12Liz Tuddenham
7 Nov 24 i    i   i `* Re: 80dB now but still needs improvement at 1KHz11Jan Panteltje
7 Nov 24 i    i   i  `* Re: 80dB now but still needs improvement at 1KHz10Liz Tuddenham
7 Nov 24 i    i   i   `* Re: 80dB now but still needs improvement at 1KHz9Jan Panteltje
8 Nov 24 i    i   i    `* Re: 80dB now but still needs improvement at 1KHz [OT]8Liz Tuddenham
8 Nov 24 i    i   i     +- Re: 80dB now but still needs improvement at 1KHz [OT]1Jan Panteltje
8 Nov 24 i    i   i     +* Re: 80dB now but still needs improvement at 1KHz [OT]2Cursitor Doom
8 Nov 24 i    i   i     i`- Re: 80dB now but still needs improvement at 1KHz [OT]1Liz Tuddenham
8 Nov 24 i    i   i     `* Re: 80dB now but still needs improvement at 1KHz [OT]4ehsjr
9 Nov 24 i    i   i      `* Re: 80dB now but still needs improvement at 1KHz [OT]3Liz Tuddenham
9 Nov 24 i    i   i       `* Re: 80dB now but still needs improvement at 1KHz [OT]2Jan Panteltje
9 Nov 24 i    i   i        `- Re: 80dB now but still needs improvement at 1KHz [OT]1Liz Tuddenham
6 Nov 24 i    i   `- Re: 80dB now but still needs improvement at 1KHz1john larkin
6 Nov 24 i    `* Re: 80dB now but still needs improvement at 1KHz13Edward Rawde
6 Nov 24 i     +* Re: 80dB now but still needs improvement at 1KHz8john larkin
7 Nov 24 i     i`* Re: 80dB now but still needs improvement at 1KHz7Liz Tuddenham
7 Nov 24 i     i +* Re: 80dB now but still needs improvement at 1KHz3Jeroen Belleman
7 Nov 24 i     i i`* Re: 80dB now but still needs improvement at 1KHz2Liz Tuddenham
7 Nov 24 i     i i `- Re: 80dB now but still needs improvement at 1KHz1Jeroen Belleman
7 Nov 24 i     i `* Re: 80dB now but still needs improvement at 1KHz3john larkin
7 Nov 24 i     i  +- Re: 80dB now but still needs improvement at 1KHz1Bill Sloman
7 Nov 24 i     i  `- Re: 80dB now but still needs improvement at 1KHz1john larkin
7 Nov 24 i     `* Re: 80dB now but still needs improvement at 1KHz4Jan Panteltje
7 Nov 24 i      +- Re: 80dB now but still needs improvement at 1KHz1Edward Rawde
7 Nov 24 i      `* Re: 80dB now but still needs improvement at 1KHz2john larkin
7 Nov 24 i       `- Re: 80dB now but still needs improvement at 1KHz1Jan Panteltje
21 Nov 24 `- Re: 80dB now but still needs improvement at 1KHz1Klaus Vestergaard Kragelund

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