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OP AMP sta i kako
#49
Nije jednostavno izvuci svu raspolozivu rezoluciju. Tu je vrlo bitan ceo pre-amp za ADC i jos je bitno da tu ima neki Low-pass filter ali se mora voditi racuna o impedanci ulaza u ADC pa je posle filtera potreban jos jedan buffer, tj pre ulaza u ADC je uvek potreban buffer.

Sto se tice PIC-eva, iskreno, sad su ovi dsPIC-evi i PIC32 skoro dosli po ceni isto kao i 8bitne varijante i steta je za mozda par stotina dinara razlike u ceni ne izabrati npr odlican kontroler dsPIC33EP64MC502 i to u DIP kucistu.
Sa takvim kontrolerom koji ima 12bit pri 500ksps ili 10bit na 1000ksps imas malo vise "slobode" i mozes da neke stvari resis ili poboljsas iz digitalnog domena.
Stvarno ne vidim razliku za nas hobiste gde ne pravimo stotine ili hiljade primeraka uredjaja da se ne koristi dsPIC i za takve "proste" primene kao sto merenje U/I kod ispravljaca.
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Messages In This Thread
OP AMP sta i kako - by Milan94 - 05-29-2015, 09:04 PM
RE: OP AMP sta i kako - by Risto - 05-29-2015, 09:46 PM
RE: OP AMP sta i kako - by vojinilic - 05-29-2015, 09:47 PM
RE: OP AMP sta i kako - by vojinilic - 05-29-2015, 09:56 PM
RE: OP AMP sta i kako - by mikikg - 05-29-2015, 10:47 PM
RE: OP AMP sta i kako - by Milan94 - 05-29-2015, 11:27 PM
RE: OP AMP sta i kako - by vojinilic - 05-30-2015, 07:47 PM
RE: OP AMP sta i kako - by mikikg - 05-29-2015, 11:47 PM
RE: OP AMP sta i kako - by Milan94 - 05-30-2015, 12:09 AM
RE: OP AMP sta i kako - by npejcic - 05-30-2015, 07:21 PM
RE: OP AMP sta i kako - by mikikg - 05-31-2015, 12:49 AM
RE: OP AMP sta i kako - by Milan94 - 05-30-2015, 10:06 PM
RE: OP AMP sta i kako - by mikikg - 05-31-2015, 12:37 AM
RE: OP AMP sta i kako - by vojinilic - 05-31-2015, 12:55 AM
RE: OP AMP sta i kako - by npejcic - 05-31-2015, 02:44 PM
RE: OP AMP sta i kako - by Milan94 - 06-30-2015, 07:52 PM
RE: OP AMP sta i kako - by vojinilic - 06-30-2015, 10:08 PM
RE: OP AMP sta i kako - by branko tod - 06-30-2015, 10:17 PM
RE: OP AMP sta i kako - by Milan94 - 07-01-2015, 09:53 AM
RE: OP AMP sta i kako - by branko tod - 07-01-2015, 10:32 AM
RE: OP AMP sta i kako - by Milan94 - 07-01-2015, 11:05 AM
RE: OP AMP sta i kako - by branko tod - 07-01-2015, 11:32 AM
RE: OP AMP sta i kako - by Milan94 - 07-01-2015, 12:11 PM
RE: OP AMP sta i kako - by branko tod - 07-01-2015, 12:36 PM
RE: OP AMP sta i kako - by Milan94 - 07-01-2015, 12:41 PM
RE: OP AMP sta i kako - by mikikg - 07-01-2015, 09:33 PM
RE: OP AMP sta i kako - by vojinilic - 07-01-2015, 09:57 PM
RE: OP AMP sta i kako - by Milan94 - 07-01-2015, 10:43 PM
RE: OP AMP sta i kako - by Macola - 07-02-2015, 02:56 AM
RE: OP AMP sta i kako - by branko tod - 07-02-2015, 09:05 AM
RE: OP AMP sta i kako - by Milan94 - 07-02-2015, 10:28 AM
RE: OP AMP sta i kako - by branko tod - 07-02-2015, 12:31 PM
RE: OP AMP sta i kako - by Milan94 - 07-02-2015, 01:09 PM
RE: OP AMP sta i kako - by Macola - 07-02-2015, 07:45 PM
RE: OP AMP sta i kako - by Macola - 07-02-2015, 08:00 PM
RE: OP AMP sta i kako - by Macola - 07-02-2015, 08:18 PM
RE: OP AMP sta i kako - by Milan94 - 07-02-2015, 08:36 PM
RE: OP AMP sta i kako - by Macola - 07-02-2015, 11:30 PM
RE: OP AMP sta i kako - by Macola - 07-03-2015, 12:42 AM
RE: OP AMP sta i kako - by Milan94 - 07-03-2015, 08:28 AM
RE: OP AMP sta i kako - by Macola - 07-04-2015, 01:38 AM
RE: OP AMP sta i kako - by Macola - 07-04-2015, 04:20 AM
RE: OP AMP sta i kako - by Milan94 - 07-04-2015, 02:28 PM
RE: OP AMP sta i kako - by npejcic - 07-04-2015, 04:32 PM
RE: OP AMP sta i kako - by Macola - 07-04-2015, 05:20 PM
RE: OP AMP sta i kako - by Milan94 - 07-04-2015, 08:11 PM
RE: OP AMP sta i kako - by mikikg - 07-04-2015, 08:27 PM
RE: OP AMP sta i kako - by Milan94 - 07-04-2015, 08:55 PM
RE: OP AMP sta i kako - by mikikg - 07-04-2015, 09:43 PM
RE: OP AMP sta i kako - by Milan94 - 07-04-2015, 10:43 PM
RE: OP AMP sta i kako - by npejcic - 07-04-2015, 10:48 PM
RE: OP AMP sta i kako - by npejcic - 07-04-2015, 10:58 PM
RE: OP AMP sta i kako - by Milan94 - 07-04-2015, 10:58 PM
RE: OP AMP sta i kako - by Macola - 07-05-2015, 01:38 AM
RE: OP AMP sta i kako - by branko tod - 07-06-2015, 08:25 PM
RE: OP AMP sta i kako - by Milan94 - 07-06-2015, 09:00 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 09:30 PM
RE: OP AMP sta i kako - by Milan94 - 07-06-2015, 09:39 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 09:43 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 09:53 PM
RE: OP AMP sta i kako - by Milan94 - 07-06-2015, 10:04 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 10:20 PM
RE: OP AMP sta i kako - by npejcic - 07-06-2015, 10:27 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 10:34 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 10:41 PM
RE: OP AMP sta i kako - by Milan94 - 07-06-2015, 10:42 PM
RE: OP AMP sta i kako - by Macola - 07-06-2015, 10:54 PM
RE: OP AMP sta i kako - by Braca - 07-07-2015, 08:37 AM
RE: OP AMP sta i kako - by Milan94 - 07-06-2015, 11:09 PM
RE: OP AMP sta i kako - by npejcic - 07-06-2015, 11:41 PM
RE: OP AMP sta i kako - by Macola - 07-07-2015, 02:01 AM
RE: OP AMP sta i kako - by npejcic - 07-07-2015, 07:30 AM
RE: OP AMP sta i kako - by Macola - 07-07-2015, 07:49 AM
RE: OP AMP sta i kako - by Macola - 07-07-2015, 02:40 PM
RE: OP AMP sta i kako - by Milan94 - 07-08-2015, 10:33 PM
RE: OP AMP sta i kako - by Macola - 07-08-2015, 11:52 PM
RE: OP AMP sta i kako - by Milan94 - 08-16-2018, 11:59 AM
RE: OP AMP sta i kako - by Millan - 08-16-2018, 01:15 PM
RE: OP AMP sta i kako - by Milan94 - 08-16-2018, 04:19 PM
RE: OP AMP sta i kako - by Macola - 08-16-2018, 04:51 PM
RE: OP AMP sta i kako - by gorankg - 08-16-2018, 07:33 PM
RE: OP AMP sta i kako - by Milan94 - 08-16-2018, 08:34 PM
RE: OP AMP sta i kako - by gorankg - 08-16-2018, 08:52 PM
RE: OP AMP sta i kako - by Milan94 - 08-16-2018, 11:06 PM

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