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ELEKTOR - Speaker Protection
Zahvaljujem.

Našao sam sličnu stranicu:

http://www.ladyada.net/library/rccalc.html

Ja nisam uračunao napon napajanja u RC konstantu i zato mi nije bilo jasno. U SC magazine koriste 20VDC napajanje i 100k i 47uF i po ovom kalkulatoru lijepo daje 5sec delay koliko su i napisali kod testiranja...ali su zaboravili napisati da se otpornik od 100k treba mjenjati za različita napona napajanja.

Ja kad stavim na toj stranici:

V - Supply Voltage: 50VDC (napon napajanja)
Vc - Output Voltage: 13.2VDC (referentni napon zener + dioda + Vbe)
R - Resistor (KOhms): 390k (potreban otpornik)
C - Capacitor (uF): 43.35uF (kondenzator koji se puni, pošto imam na PCB zalemljen 47uF on mi na capacitor meter mjeri 43,35uF)

Calculated Delay (ms): 5182.2676 točnije 5sekundi koliko mi i treba.

Dakle potreban mi je 390k koliko vidim po kalkulatoru da bi dobio 5sekundi delay što mislim da je baš toliko koliko je i potrebno da se audio pojačalo smiri i da nakon 5sekundi relay spoji pojačalo na zvučnik i time se izbjegne onaj početni pufff.

Dakle stavit cu Metal Film 390k/0,25W mislim da tu ne treba veće snage jer se radi o RC konstanti.

Evo i slike mjerenja kapaciteta elektrolita na PCB-u sa Capacitor Meter-om.


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Messages In This Thread
ELEKTOR - Speaker Protection - by ronovar - 09-04-2016, 05:53 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-04-2016, 06:40 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-04-2016, 09:11 PM
RE: ELEKTOR - Speaker Protection - by npejcic - 09-05-2016, 08:23 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-05-2016, 09:18 AM
RE: ELEKTOR - Speaker Protection - by apexaudio - 09-05-2016, 09:24 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-05-2016, 03:04 PM
RE: ELEKTOR - Speaker Protection - by Gosha - 09-05-2016, 03:30 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-05-2016, 03:36 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 06:42 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 06:51 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-05-2016, 07:05 PM
RE: ELEKTOR - Speaker Protection - by LordZi - 09-05-2016, 06:51 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 07:43 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 07:52 PM
RE: ELEKTOR - Speaker Protection - by apexaudio - 09-05-2016, 07:59 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 08:07 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 08:32 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-05-2016, 08:50 PM
RE: ELEKTOR - Speaker Protection - by Macola - 09-05-2016, 08:57 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-05-2016, 09:49 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-08-2016, 08:03 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-14-2016, 11:17 AM
RE: ELEKTOR - Speaker Protection - by samuki - 11-06-2017, 04:08 PM
RE: ELEKTOR - Speaker Protection - by TDA - 11-06-2017, 04:58 PM
RE: ELEKTOR - Speaker Protection - by samuki - 11-06-2017, 06:21 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 11-06-2017, 08:05 PM
RE: ELEKTOR - Speaker Protection - by samuki - 11-06-2017, 08:19 PM
RE: ELEKTOR - Speaker Protection - by TDA - 11-06-2017, 09:42 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 11-09-2017, 08:10 AM
RE: ELEKTOR - Speaker Protection - by samuki - 11-08-2017, 08:26 PM
RE: ELEKTOR - Speaker Protection - by samuki - 11-08-2017, 08:57 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 11-09-2017, 12:32 PM
RE: ELEKTOR - Speaker Protection - by TDA - 11-09-2017, 09:30 AM
RE: ELEKTOR - Speaker Protection - by samuki - 11-09-2017, 01:06 PM
RE: ELEKTOR - Speaker Protection - by tomam - 11-09-2017, 02:43 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 11-09-2017, 04:24 PM
RE: ELEKTOR - Speaker Protection - by samuki - 11-09-2017, 03:32 PM
RE: ELEKTOR - Speaker Protection - by samuki - 11-09-2017, 05:35 PM
RE: ELEKTOR - Speaker Protection - by samuki - 11-09-2017, 05:38 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 06-29-2018, 03:11 PM
RE: ELEKTOR - Speaker Protection - by samuki - 06-29-2018, 06:26 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 10-25-2018, 03:52 PM
RE: ELEKTOR - Speaker Protection - by viktor1986 - 10-26-2018, 10:48 AM
RE: ELEKTOR - Speaker Protection - by NIXIE - 10-29-2018, 12:00 PM
RE: ELEKTOR - Speaker Protection - by Bocko - 10-29-2018, 01:42 PM
RE: ELEKTOR - Speaker Protection - by NIXIE - 10-29-2018, 02:06 PM
RE: ELEKTOR - Speaker Protection - by viktor1986 - 11-01-2018, 09:13 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-17-2018, 12:17 PM
RE: ELEKTOR - Speaker Protection - by TDA - 12-17-2018, 01:52 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-17-2018, 03:14 PM
RE: ELEKTOR - Speaker Protection - by Gosha - 12-18-2018, 06:01 AM
RE: ELEKTOR - Speaker Protection - by viktor1986 - 12-17-2018, 07:51 PM
RE: ELEKTOR - Speaker Protection - by Jevrem - 12-17-2018, 09:17 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-18-2018, 08:08 AM
RE: ELEKTOR - Speaker Protection - by Gosha - 12-18-2018, 08:23 AM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 12-18-2018, 11:50 AM
RE: ELEKTOR - Speaker Protection - by Jevrem - 12-18-2018, 09:20 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-18-2018, 01:03 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-18-2018, 04:28 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 12-18-2018, 05:24 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-18-2018, 06:11 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 12-18-2018, 06:36 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-18-2018, 06:52 PM
RE: ELEKTOR - Speaker Protection - by branko tod - 12-18-2018, 09:14 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 12-18-2018, 09:51 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 02-09-2019, 05:00 PM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 02-09-2019, 05:47 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-21-2019, 09:19 AM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 05-21-2019, 09:27 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-21-2019, 09:41 AM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 05-21-2019, 09:45 AM
RE: ELEKTOR - Speaker Protection - by Vlada021 - 05-21-2019, 09:47 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-21-2019, 10:02 AM
RE: ELEKTOR - Speaker Protection - by emiSAr - 05-21-2019, 10:17 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-21-2019, 10:20 AM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 05-21-2019, 10:26 AM
RE: ELEKTOR - Speaker Protection - by emiSAr - 05-21-2019, 10:45 AM
RE: ELEKTOR - Speaker Protection - by Vlada021 - 05-21-2019, 11:14 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-21-2019, 12:46 PM
RE: ELEKTOR - Speaker Protection - by vladd - 05-22-2019, 08:37 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-22-2019, 09:52 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 09:38 AM
RE: ELEKTOR - Speaker Protection - by Dackotronic - 05-30-2019, 09:51 AM
RE: ELEKTOR - Speaker Protection - by Dackotronic - 05-30-2019, 09:56 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 10:12 AM
RE: ELEKTOR - Speaker Protection - by Dackotronic - 05-30-2019, 10:17 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 11:18 AM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 05-30-2019, 11:22 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 11:23 AM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 05-30-2019, 11:44 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 12:02 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 05:37 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 05-30-2019, 07:06 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 05-30-2019, 09:31 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 08-08-2019, 11:06 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 08-08-2019, 01:08 PM
RE: ELEKTOR - Speaker Protection - by Gosha - 08-08-2019, 01:10 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 08-08-2019, 01:28 PM
RE: ELEKTOR - Speaker Protection - by Gosha - 08-08-2019, 01:43 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 08-08-2019, 02:05 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 08-08-2019, 04:35 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 08-10-2019, 11:38 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 08-08-2019, 07:48 PM
RE: ELEKTOR - Speaker Protection - by Dragan100 - 08-08-2019, 08:12 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-09-2019, 01:17 PM
RE: ELEKTOR - Speaker Protection - by me[R]a - 09-09-2019, 01:43 PM
RE: ELEKTOR - Speaker Protection - by Bocko - 09-09-2019, 02:59 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-09-2019, 03:36 PM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-12-2019, 10:51 AM
RE: ELEKTOR - Speaker Protection - by ronovar - 09-13-2019, 12:04 PM
RE: ELEKTOR - Speaker Protection - by Khadgar2007 - 09-13-2019, 04:42 PM

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