en:adcdual
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- | FIXME **This page is not fully translated, yet. Please help completing the translation.**\\ //(remove this paragraph once the translation is finished)// | + | ====== Analog-to-digital converter - ADCdual01A ====== |
- | + | A fast two-channel analog-to-digital | |
- | ====== Analog-to-digital convertor - ADCdual01A ====== | + | |
- | + | ||
- | A fast two-channel analog-to-digital | + | |
{{: | {{: | ||
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* Sampling jitter < 100m | * Sampling jitter < 100m | ||
- | Currently, the problem is tackled on a professional level by proprietary digitising units (([[http:// | + | Currently, the problem is tackled on a professional level by proprietary digitising units (([[http:// |
=== Choice of ADC === | === Choice of ADC === | ||
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So far, probably the most perspective is the usage of serial LVDS that requires the smallest number of differential signal pairs, making the whole construction simpler. (([[http:// | So far, probably the most perspective is the usage of serial LVDS that requires the smallest number of differential signal pairs, making the whole construction simpler. (([[http:// | ||
- | If we limit the choice of ADC by a requirement for serial LVDS output for each ADC channel individually, | + | If we limit the choice of ADC by a requirement for a serial LVDS output for each ADC channel individually, |
We are left with a choice from the company Linear technology: | We are left with a choice from the company Linear technology: | ||
- | either [[http:// | + | either [[http:// |
- | or products from the [[http:// | + | |
- | As can be seen, the whole ADC series from Linear technology is more or less the same (the converters are even mutually interchangeable between the PCB), they only differ in sampling | + | As can be seen, the whole ADC series from Linear technology is more or less the same (the converters are even mutually interchangeable between the same PCB layout), they only differ in sampling |
- | Jak je vidět, tak celá tato série ADC od Linear technology je víceméně stejná (dokonce jsou převodníky i | + | |
- | navzájem záměnné na stejně navrženém PCB), liší se pouze vzorkovací | + | |
- | frekvencí a poměrem S/N. Nejpomalejší z nich je však pro 20 MHz. Nejpomalejší | + | |
- | vzorkování na kterém ho lze provozovat je 5 MSPS. | + | |
- | Všechny převodníky této kategorie jsou taky určitým způsobem | + | |
- | konfigurovatelné. A všechny ADC této kategorie | + | |
- | ===== Související stránky | + | ===== Related sites ===== |
- | * [[cs: | + | * [[en: |
- | * [[cs: | + | * [[en: |
- | ===== Reference | + | ===== Refferences |
- | ==== Existující grabovací karty ==== | + | ==== Existing grabbing cards ==== |
* [[http:// | * [[http:// | ||
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* [[http:// | * [[http:// | ||
- | Problematickými parametry těchto karet jsou zejména velmi vysoká cena, zbytečně vysoká vzorkovací frekvence a malý dynamický rozsah. A nebo velký dynamický rozsah ale naopak extrémně nízká vzorkovací frekvence. | + | There are several problems with these devices - especially their high price, unnecessarily high sampling rates and small dynamic range or, on the contrary, large dynamic range, but extremely low sampling rates. |
en/adcdual.txt · Last modified: 2018/12/28 13:43 (external edit)