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Portabl sinusni oscilator

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Portabl sinusni oscilator
Braca Offline
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#11
01-20-2023, 11:02 AM
Ja ovde ne bih išao s MFB topologijom filtera jer ona u odnosu na Sallen-Key ima za do 6dB veći faktor pojačanja šuma (noise gain) i za toliko i veći sopstveni THD.
Imam realizovana oba filtera, pored toga još i eliptični (Cauer) koji direktno "gađa" treći harmonik. Uradio sam najveći deo merenja, ali još nisam stigao da sve analiziram i pripremim za prezentaciju na forumu.

Za sada, u prilogu je poređenje šuma te dve topologije (crvena linija je MFB). Razlika je 4dB jer vrednosti kondenzatora nisu iste.
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Messages In This Thread
Portabl sinusni oscilator - by gorso69 - 01-18-2023, 06:05 PM
RE: Portabl sinusni oscilator - by gorso69 - 01-18-2023, 06:08 PM
RE: Portabl sinusni oscilator - by gorso69 - 01-18-2023, 06:09 PM
RE: Portabl sinusni oscilator - by Braca - 01-18-2023, 09:16 PM
RE: Portabl sinusni oscilator - by gorso69 - 01-18-2023, 09:33 PM
RE: Portabl sinusni oscilator - by Braca - 01-19-2023, 09:45 AM
RE: Portabl sinusni oscilator - by Dragan100 - 01-19-2023, 11:41 AM
RE: Portabl sinusni oscilator - by gorso69 - 01-19-2023, 02:48 PM
RE: Portabl sinusni oscilator - by Dragan100 - 01-19-2023, 03:37 PM
RE: Portabl sinusni oscilator - by Khadgar2007 - 01-19-2023, 10:30 PM
RE: Portabl sinusni oscilator - by Dragan100 - 01-20-2023, 12:16 PM
RE: Portabl sinusni oscilator - by Braca - 01-20-2023, 11:02 AM
RE: Portabl sinusni oscilator - by Dragan100 - 01-20-2023, 12:21 PM
RE: Portabl sinusni oscilator - by Braca - 01-20-2023, 01:29 PM
RE: Portabl sinusni oscilator - by Dragan100 - 01-20-2023, 03:49 PM
RE: Portabl sinusni oscilator - by Dragan100 - 01-20-2023, 04:45 PM
RE: Portabl sinusni oscilator - by Braca - 01-21-2023, 10:13 AM
RE: Portabl sinusni oscilator - by gorso69 - 02-04-2023, 06:08 PM
RE: Portabl sinusni oscilator - by gorso69 - 02-04-2023, 06:38 PM
RE: Portabl sinusni oscilator - by Braca - 02-04-2023, 08:30 PM
RE: Portabl sinusni oscilator - by gorso69 - 02-04-2023, 09:59 PM

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