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NX-Amplifier 100W CFA Class AB

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NX-Amplifier 100W CFA Class AB
ronovar Offline
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#7
01-28-2021, 01:21 PM
Smanjio sam C6 na 10pF (što je jakoo puuno manje od 68pF) i dobijam SR od 96V/us što nikako nije ni blizu 140V/us koliko piše u DataSheetu pojačala...pa mi sada nije ništa jasno..dali je author tu malo uveličao brojke ili ja nešto krivo radim?

Sljedeće što sam primjetio da sam 68pF pa do 10pF je kvadratni signal normalan, nema overshoota pa opet pitanje dali je 68pF stavljeno da uguši SR i ustabili pojačalo, jer ja vidim da mi je fazna margina sa 10pF na -90° što bi trebalo da je super stabilno.

Također i fazna margina je prevelika na 20Hz i sada je oko -41° što je katastrofa...

[Image: attachment.php?aid=35120]


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NX-Amplifier 100W CFA Class AB - by ronovar - 01-27-2021, 04:43 PM
RE: NX-Amplifier 100W CFA Class AB - by Dragan100 - 01-27-2021, 04:57 PM
RE: NX-Amplifier 100W CFA Class AB - by Boban - 01-27-2021, 07:25 PM
RE: NX-Amplifier 100W CFA Class AB - by ronovar - 01-27-2021, 08:29 PM
RE: NX-Amplifier 100W CFA Class AB - by Boban - 01-28-2021, 08:17 AM
RE: NX-Amplifier 100W CFA Class AB - by Dragan100 - 01-28-2021, 09:13 AM
RE: NX-Amplifier 100W CFA Class AB - by ronovar - 01-28-2021, 01:21 PM
RE: NX-Amplifier 100W CFA Class AB - by Dragan100 - 01-28-2021, 03:07 PM
RE: NX-Amplifier 100W CFA Class AB - by ronovar - 01-28-2021, 04:45 PM
RE: NX-Amplifier 100W CFA Class AB - by Jevrem - 01-28-2021, 05:01 PM
RE: NX-Amplifier 100W CFA Class AB - by Dragan100 - 01-28-2021, 09:52 PM
RE: NX-Amplifier 100W CFA Class AB - by gimba - 01-29-2021, 08:11 AM
RE: NX-Amplifier 100W CFA Class AB - by Boban - 01-28-2021, 06:13 PM
RE: NX-Amplifier 100W CFA Class AB - by ronovar - 01-28-2021, 06:36 PM
RE: NX-Amplifier 100W CFA Class AB - by Boban - 01-28-2021, 08:55 PM
RE: NX-Amplifier 100W CFA Class AB - by ronovar - 01-28-2021, 11:04 PM
RE: NX-Amplifier 100W CFA Class AB - by Dragan100 - 01-29-2021, 08:56 AM
RE: NX-Amplifier 100W CFA Class AB - by ronovar - 01-29-2021, 09:12 AM
RE: NX-Amplifier 100W CFA Class AB - by Boban - 03-19-2022, 03:01 PM

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