Kunnafoni sɔrɔli teliyaba-karitiw kɔnɔ (DAQ), lɛrɛ tagamasiɲɛ basigili n’a ka tiɲɛtigiya kɔrɔtanin lo kunnafoniw tacogo n’u lasecogo la. Différentiel crystal oscillators, minw lɔnna u ka mankan dɔgɔman na, u ka tangacogo ɲuman fɛ, ani u ka basigi ɲuman fɛ, u be baara kɛ kosɔbɛ ni kunnafoni sɔrɔcogo telimanw ye-. U be lɛrɛ dɛmɛ cogo lafiyanin na kɛrɛnkɛrɛnniya la baarakɛyɔrɔw la minw ka ɲi ka sɛgɛsɛgɛri caaman kɛ ani ka bandwidth caaman ɲini.
1. Nafa minw be sɔrɔ osilɛri danfaraninw na .
>> Mankan dɔgɔman:A be lɛrɛ yɛlɛmani dɔgɔya, ka -sɛgɛsɛgɛli tiɲɛtigiya sabati.
>> Anti-Seko barikaman:A be tagamasiɲɛw ka tilenninya mara yɔrɔjanw na ani yɔrɔ minw na mankan be kɛ kuran na.
>> Tagamasiɲɛ ɲumanba:A ka ɲi ka kunnafoniw ci teliya la - ani ka bandwidth ɲini, kɛrɛnkɛrɛnniya la, a ka ɲi ka kɛ ni sɛgɛsɛgɛli ye min be kɛ ni yɔrɔ caaman ye.
2. Aplikasiyɔn kɛcogo
Ka kɛɲɛ ni kɔnɔna modɛli suguya caaman ka laɲiniw ye DAQ kariti teliyaba- kɔnɔ, danfara yɛlɛmalanw be lɔyɔrɔba ta koo jɔnjɔn saba nunu na minw kofɔra duguman. Frekansi minw ka teli ka kɛ, u fana be di:
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Aplikasiyɔn cogoya |
Baara jɔnjɔn |
Frekansi minw ka teli ka kɛ |
Fɛɛrɛw |
|
FPGA ka lɛrɛ min be mɔgɔw ladon teliya la |
A be GTH/GTX yɛlɛmalanw ka lɛrɛ di FPGA kɔnɔ, min be kɛ ka kunnafoni yɛlɛma teliyaba-i n’a fɔ PCIe ani 10 Gigabit Ethernet. |
100MHz |
• 100Mz:Ɲɛyirali fɛ, ɔridinatɛri bisiw i n’a fɔ PCIe ani SATA. |
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ADC/DAC sɛgɛsɛgɛli lɛrɛ min ka teli kosɔbɛ |
A be sɛgɛsɛgɛri hakɛ dantigɛ ka ɲɛ. A be lɛrɛ gɛrɛfɛla tigitigiw di, minw ka dɔgɔ ni -jitter ye, min b’a to -kantigiya be yɛlɛma ka bɔ analogu tagamasiɲɛw la ka taga dijital tagamasiɲɛw na. |
250MHz |
• 250MHz:A ka ca a la, a be baara kɛ ni JESD204B/C teliyaba- kunnafoniw yɛlɛmalanw ye. |
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Multi-kanɛli sinkrɔni lɛrɛ yiri |
A be baara kɛ i n’a fɔ lɛrɛ buffer/distributeur chip ka sɛgɛsɛgɛrikɛyɔrɔ jɔnjɔn min be sɔrɔ kariti caaman -kanɛliw kɔnɔ. Tilanin kɔ, a be ADCw bɛɛ lasun u ka baara kɛ ɲɔgɔn fɛ, o min b’a to bɛnkan be kɛ siraw bɛɛ la. |
100MHz |
• 100Mz:Gɛrɛntɛ-laɲiniba -PLL sɛgɛsɛgɛli bɔyɔrɔ. |
3. Osilɛri danfaraninw ni Hangjing cɛ .
HCI danfara osilɛriw be ta ka caya kunnafoniw sɔrɔcogo la. An be o osilɛri nunu di pake hakɛ naani na - 7050, 5032, 3225, ani 2520 - ani ni bɔli sifa saba ye - LVDS, LVPECL, ani HCSL - minw be se ka yɛlɛma yɛlɛma ka kɛɲɛ ni sannikɛlaw ka laɲinitaw ye.
HCI be se ka furaw di minw be bɛn ani ka sɛgɛsɛgɛri kɛ gwansan. N’a mako be o la, i ka ɲɔgɔnye kɛ n’i ka feerelikɛla wala baarakɛcogo lɔnbaga ye.