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Analogni signal generator za audio primene
Op-amp na tom mestu mora pored brzine da ima i nisku predstruju, jer mu se na ulazu nalazi HF filter na čijem otporniku se stvara ofset napon.
Dakle, treba nam niska predstruja (reda fA, znači FET), što nam dozvoljava da imamo veliki otpor i relativno mali blokirajući kondenzator u filteru. Obrnuto (mali otpornik na (+) ulazu i veliki kondenzator (reda 100µF)) ne ide, što sam već testirao sa OPA2891.
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Messages In This Thread
RE: Koncept generatora trouglova - by Braca - 01-08-2019, 02:42 PM
RE: Koncept generatora trouglova - by Braca - 01-17-2019, 01:34 PM
RE: Generator četvrtki i trouglova - by Braca - 01-24-2019, 11:49 PM
RE: Analogni signal generator za audio primene - by Braca - 02-12-2026, 03:30 PM

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