W
windgone0204
Guest
kako deicde parametre pojačala u 100M / s ADC naftovod?je 300MHz gbw dovoljno? može bilo tko reći mene kako to riješiti?pdf mi je u redu, too.windgone0204 (at) yahoo.com.cn
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P
PaloAlto
Guest
Molimo, pogledajte this thread:
http://www.edaboard.com/viewtopic.php?t=298172&highlight=pipeline
Bandwidth vam je potrebno je fxed po greška produced by rješavanje.Na primjer, s 100MSPS imate 10ns riješiti.Ako želite imati 10τ to riješiti, (koji će vam dati vrlo malu pogrešku, ne mogu se sjetiti sad koliko) onda vam je potreban 1GHz.
Sa 300MHz imate samo 3 puta konstante u periodu uzorkovanja, koja izgleda premalen.Naravno, to ovisi o pogrešci koje možete imati.Ako je za 6bits ADC, onda, vjerojatno je u redu
<img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" /><img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" /><img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" /><img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" />
http://www.edaboard.com/viewtopic.php?t=298172&highlight=pipeline
Bandwidth vam je potrebno je fxed po greška produced by rješavanje.Na primjer, s 100MSPS imate 10ns riješiti.Ako želite imati 10τ to riješiti, (koji će vam dati vrlo malu pogrešku, ne mogu se sjetiti sad koliko) onda vam je potreban 1GHz.
Sa 300MHz imate samo 3 puta konstante u periodu uzorkovanja, koja izgleda premalen.Naravno, to ovisi o pogrešci koje možete imati.Ako je za 6bits ADC, onda, vjerojatno je u redu
<img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" /><img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" /><img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" /><img src="http://www.edaboard.com/images/smiles/icon_wink.gif" alt="Wink" border="0" />
R
ramaro
Guest
me želite dizajn 12 bitni ADC cjevovoda
hvala
hvala