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Si5351 + PIC16F1455 USB controller
U suštini je tako i tačno je, taj temperaturni interni senzor meri temperaturu silikonskog čipa ali i dalje to sve vrlo vrlo utiče tj reaguje na samu temperaturu PCB-a i kristala na istoj.

Spomenuo sam da je taj senzor INFORMATIVNOG karaktera, samo za orijentaciju gde se cela PCB po temperaturi nalazi, ako bi hteo da se to sve ujednači onda mora fizički da približe i "zaliju" ili kako god termički spregnu.

Pogledaj one gore grafikone, oni na primer imaju 4 merne sonde za tu komoru!

Imaju glavnu RTD sondu po kojoj radi PID (fizički postavljena na metalnom uzorku) i još 3 kontrolne, i moraju da sačekaju da se sve te nakako smiri i ujednači, posle svakog otvaranja komere treba 2-3 sata da se ujednači temperatura, mislim da po propisu mora da se drži 24 sata tako stabilno stanje i tek onda se odradi merenje preko lasera i interference koja se pojavljuje na kontrolom monitoru, to se snimi/arhivira i to su rezultati za korisnika.

Klient na primer donese uzorak 20mm, metalna kockica, neki super-specialni čelik sa veoma tačnim i stabilnim koeficijentom ŠIRENJA, očisti se, nekim alatkicama (mekanim) se metalna površina polira do tog nivoa da kada stavite taj uzorak na staklenu podlogu on se ZALEPI sam, to se ostavi u komoru da se temperaturno izjednači i prodre potpuno u telo uzorka.

Caka je što laserom ne može tom metodom da se uzorkuje direktno i meri nešto, posredno se meri tako što se gadja laserom podlga i gadja se posle uzorak i MORA dase unese osnovna mera za taj uzorak nije to sve na 0 nego na primer 20.0000129mm.
Zna se tačna TALASNA dužina lasera (imaju dva, crveni i zeleni) i oni ustvari samo gledaju interferencu koja tačno mora da se dogodi na odredjenoj fizičkoj razdaljnii, oni samo one najmanje delove nano metra ustvari mere, ne celu dužinu, samo onaj najsitniji deo!
Vrlo interesatna sprava i mehanizam merenja, informativno pišem jer to nema svuda tek tako da se pročita Smile

Tako da ima raznih tu stvari što se tiče uzorkovanja temperature u raznim tačkama, ALI mi NEĆEMO da zaključamo PID po temperaturi, nego po FREKVENCIJI! Smile
Baš me briga koliko pokaže interni ili neki drugi senzor temperature, temperatura se posredno računa preko frekvencije, objasnio sam to, po tome radi PID, meri frekvenciju ali u pozadini gura Peltier koji menja temperaturu i to tako zaključano da FREKVENCIJA bude STABILNA.
To je vrlo teško da se napravi analogno, digitalno preko MCU u 15-ak linija C coda! Referenca je GPS za tu postavku.
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Messages In This Thread
Si5351 + PIC16F1455 USB controller - by mikikg - 11-05-2014, 09:51 AM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 04-12-2016, 01:29 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 04-12-2016, 03:23 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 04-12-2016, 03:50 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 05-22-2017, 08:52 AM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 07-22-2017, 07:12 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 07-22-2017, 10:25 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 07-23-2017, 02:54 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 08-24-2017, 10:55 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 03-24-2023, 02:20 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-23-2023, 07:32 PM
RE: Si5351 + PIC16F1455 USB controller - by Gosha - 03-24-2023, 09:56 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-26-2023, 03:26 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-27-2023, 12:49 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-15-2023, 04:06 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 05-12-2023, 07:00 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-15-2023, 08:55 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-16-2023, 03:45 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-29-2024, 02:15 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-30-2024, 08:55 AM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-30-2024, 10:25 AM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-30-2024, 10:00 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-31-2024, 08:26 AM
RE: Si5351 + PIC16F1455 USB controller - by savan - 03-31-2024, 05:01 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 05-24-2024, 08:44 AM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-13-2024, 12:14 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-13-2024, 12:36 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-13-2024, 04:37 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 10-14-2024, 11:21 AM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-10-2024, 01:30 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-10-2024, 03:46 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-10-2024, 04:14 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-10-2024, 06:20 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-10-2024, 09:01 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-10-2024, 09:58 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-11-2024, 07:16 AM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-11-2024, 06:39 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-12-2024, 11:30 AM
RE: Si5351 + PIC16F1455 USB controller - by mikikg - 11-12-2024, 12:14 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-12-2024, 12:31 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-12-2024, 03:50 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-12-2024, 05:59 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-12-2024, 10:13 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-13-2024, 10:45 PM
RE: Si5351 + PIC16F1455 USB controller - by savan - 11-14-2024, 07:31 PM
RE: Upravo stiglo - by Khadgar2007 - 05-19-2017, 06:27 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 06:44 PM
RE: Upravo stiglo - by Khadgar2007 - 05-19-2017, 07:05 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 07:12 PM
RE: Upravo stiglo - by emiSAr - 05-19-2017, 07:41 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 09:57 PM
RE: Upravo stiglo - by Milan94 - 05-19-2017, 10:17 PM
RE: Upravo stiglo - by Gosha - 05-19-2017, 10:27 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 10:28 PM
RE: Upravo stiglo - by Milan94 - 05-19-2017, 10:33 PM
RE: Upravo stiglo - by Khadgar2007 - 05-19-2017, 10:38 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 10:41 PM
RE: Upravo stiglo - by Milan94 - 05-19-2017, 10:52 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 11:05 PM
RE: Upravo stiglo - by Khadgar2007 - 05-19-2017, 11:15 PM
RE: Upravo stiglo - by Milan94 - 05-19-2017, 11:24 PM
RE: Upravo stiglo - by mikikg - 05-19-2017, 11:44 PM
RE: Upravo stiglo - by Milan94 - 05-20-2017, 12:01 AM
RE: Upravo stiglo - by Khadgar2007 - 05-20-2017, 12:06 AM
RE: Upravo stiglo - by mikikg - 05-20-2017, 12:10 AM
RE: Upravo stiglo - by mikikg - 05-20-2017, 12:40 AM
RE: Upravo stiglo - by Khadgar2007 - 05-20-2017, 06:53 AM
RE: Upravo stiglo - by progster - 05-20-2017, 07:57 AM
RE: Upravo stiglo - by Khadgar2007 - 05-20-2017, 09:27 AM
RE: Upravo stiglo - by mikikg - 05-20-2017, 12:52 PM
RE: Upravo stiglo - by npejcic - 05-20-2017, 01:10 PM
RE: Upravo stiglo - by mikikg - 05-20-2017, 01:24 PM
RE: Upravo stiglo - by npejcic - 05-20-2017, 01:30 PM
RE: Upravo stiglo - by mikikg - 05-20-2017, 01:34 PM
RE: Upravo stiglo - by Khadgar2007 - 05-20-2017, 02:33 PM
RE: Upravo stiglo - by mikikg - 05-20-2017, 02:48 PM

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