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PIC16F1827 HPWM Push-pull
Ako pravis preko Class-D za izlazni sinus 50Hz taj PIC16F1827 verovatno moze da zavrsi posao i da dobijes vrlo lep sinusni signal reda 1% distorzije, samo ne znam koje nosece frekvencije, to moras naci optimum sa tim PIC.

Mnogo kontroleri "kubure" sa dobrim PWM, samo pojedinacne/probrane serije kontrolera imaju HRPWM (High-resolution) i to kao sto spomenuh dsPIC par serija za motor-control, onda ST ima isto samo u par serija STM32G4xx i jos nekim i na kraju je Texas Instruments sa Piccolo i Delfino serijom koji "razvaljuju" po tom pitanju sa nekih 45ps rezolucijom PWM-a sto je ekvivaletno kao da PWM modul radi na 22GHz clock-u, bukvalno tako i racunaju, ST ima ekvivaletni clock od 5.6GHz za njegov HRPWM i to je glavna razlika, svi ostali kontoleri imaju PWM clock reda 40-80MHz ...

PS: Kod 8bit PIC-eva imaju pojedini modeli CLC logiku + NCO, to je programabilna logicka kapija, imaju recimo 4 takva bloka i sa tim moze da se pravi neko hibridno PWM resenje u cilju povecavanja rezolucije, spoje je te celije preko tajmera i oscilatora i dobije se za nekoliko bitova bolja rezolucija sto jos smanjuje distorziju generisanog signala, manje od 1% THD na 50Hz sto je sjajan rezultat prakticno za isti HW izlazni stepen koji se bez ovog pristupa koristio najcestenje u rezimu 50Hz aproksimacije sinusa gde je THD ne znam verovatno veci od 20-30% Smile

Pogledaj AN1476 u prilogu oko CLC+NCO i ovaj link:
http://ww1.microchip.com/downloads/en/De...41565d.pdf


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Messages In This Thread
PIC16F1827 HPWM Push-pull - by Milan94 - 10-22-2015, 04:25 PM
RE: PIC16F1827 HPWM Push-pull - by emiSAr - 10-22-2015, 05:01 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 10-22-2015, 05:24 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 10-22-2015, 05:40 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 10-22-2015, 06:01 PM
RE: PIC16F1827 HPWM Push-pull - by npejcic - 10-23-2015, 11:30 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 10-23-2015, 03:08 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 10-23-2015, 03:09 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 10-23-2015, 03:15 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 10-23-2015, 04:09 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 10-23-2015, 05:30 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 10-23-2015, 05:50 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 10-23-2015, 07:22 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 10-23-2015, 07:41 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 10-23-2015, 06:19 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 10-23-2015, 07:19 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 10-23-2015, 07:22 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 10-23-2015, 09:09 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 08:12 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 09:17 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 09:27 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 09:47 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 10:01 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 10:04 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 10:09 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 10:16 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 10:23 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 10:37 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 10:49 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 10:58 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 10:50 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 11:06 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 11:08 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 11:15 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 11:26 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 11:21 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-28-2015, 11:44 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 11:54 PM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-28-2015, 11:58 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-29-2015, 12:12 AM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-29-2015, 12:22 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-29-2015, 12:28 AM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-29-2015, 12:33 AM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 11-29-2015, 12:38 AM
RE: PIC16F1827 HPWM Push-pull - by Želja - 11-29-2015, 01:01 AM
RE: PIC16F1827 HPWM Push-pull - by sax778 - 11-29-2015, 05:38 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 11-29-2015, 11:05 PM
RE: PIC16F1827 HPWM Push-pull - by sax778 - 11-29-2015, 11:43 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-27-2017, 02:10 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-27-2017, 02:55 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-27-2017, 03:24 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-27-2017, 07:04 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-27-2017, 07:22 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-27-2017, 07:32 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-27-2017, 07:49 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-27-2017, 08:43 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 04-28-2017, 08:52 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-28-2017, 09:43 AM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-28-2017, 02:05 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 04-28-2017, 11:39 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-29-2017, 12:01 AM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-29-2017, 12:12 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-29-2017, 12:17 AM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 04-29-2017, 12:35 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-29-2017, 12:44 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-29-2017, 12:37 AM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 04-29-2017, 12:44 AM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 04-29-2017, 12:49 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-29-2017, 01:04 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 04-29-2017, 12:56 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-02-2017, 12:29 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-02-2017, 02:14 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-02-2017, 06:56 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-02-2017, 07:01 PM
RE: PIC16F1827 HPWM Push-pull - by MILANNN - 05-02-2017, 07:45 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-02-2017, 11:58 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-03-2017, 12:01 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 12:27 AM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-03-2017, 07:01 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 07:57 AM
RE: PIC16F1827 HPWM Push-pull - by Želja - 05-03-2017, 08:04 AM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-03-2017, 08:13 AM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-03-2017, 08:53 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 09:20 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 04:07 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-03-2017, 05:23 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 05:42 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-03-2017, 05:57 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 06:15 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 05-03-2017, 06:26 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 06:42 PM
RE: PIC16F1827 HPWM Push-pull - by gorankg - 05-03-2017, 07:25 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-03-2017, 07:33 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 08:04 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-03-2017, 10:30 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-03-2017, 10:48 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-03-2017, 11:14 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-04-2017, 05:13 AM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-04-2017, 07:28 AM
RE: PIC16F1827 HPWM Push-pull - by Želja - 05-04-2017, 07:40 AM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-05-2017, 06:12 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-05-2017, 11:06 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-06-2017, 01:57 AM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-06-2017, 11:48 AM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-06-2017, 11:52 AM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 05-06-2017, 08:58 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-06-2017, 09:22 PM
RE: PIC16F1827 HPWM Push-pull - by Macola - 05-06-2017, 11:01 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 05-08-2017, 08:40 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 01-19-2021, 01:04 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 01-20-2021, 05:58 AM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 01-20-2021, 07:56 PM
RE: PIC16F1827 HPWM Push-pull - by vojinilic - 01-20-2021, 09:13 PM
RE: PIC16F1827 HPWM Push-pull - by Milan94 - 01-20-2021, 11:05 PM
RE: PIC16F1827 HPWM Push-pull - by mikikg - 01-21-2021, 04:28 AM

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