How Analog-to-Digital Converter (ADC) Works

**Hardware Secrets Team** · 04-19-2006, 02:37 PM

There has been a new article posted.

Title: How Analog-to-Digital Converter (ADC) Works
URL: http://www.hardwaresecrets.com/article/317

Here is a snippet:
"Signals in the real world are analog: light, sound, you name it. So, real-world signals must be converted into digital, using a circuit called ADC (Analog-to-Digital Converter), before they can be man..."

Comments on this article are welcome.

Best regards,
Hardware Secrets Team
http://www.hardwaresecrets.com

herby1620 · 05-09-2006, 05:23 PM

In the description of a flash A-D converter, the "encoder" chip refered to in the text is a 74138. The problem is that this is a "decoder", not an "encoder". The proper chip to do encoding is a 74148 (Priority Encoder). Of course these chips exist in all forms, LS, HC, HCT, etc..

**Gabriel Torres** · 05-10-2006, 05:39 AM

Thanks a lot, corrected!

Let us know if you find any other error on this or any other article.

Once again, thank you very much!

Cheers,
Gabriel.

04-19-2006, 02:37 PM	#1
Hardware Secrets Team Administrator Join Date: Nov 2004 Posts: 2,952	How Analog-to-Digital Converter (ADC) Works There has been a new article posted. Title: How Analog-to-Digital Converter (ADC) Works URL: http://www.hardwaresecrets.com/article/317 Here is a snippet: "Signals in the real world are analog: light, sound, you name it. So, real-world signals must be converted into digital, using a circuit called ADC (Analog-to-Digital Converter), before they can be man..." Comments on this article are welcome. Best regards, Hardware Secrets Team http://www.hardwaresecrets.com

05-09-2006, 05:23 PM	#2
herby1620 Junior Member Join Date: May 2006 Posts: 1	Wrong chip In the description of a flash A-D converter, the "encoder" chip refered to in the text is a 74138. The problem is that this is a "decoder", not an "encoder". The proper chip to do encoding is a 74148 (Priority Encoder). Of course these chips exist in all forms, LS, HC, HCT, etc..

Laptop Deals			Powered by Shopping.com
Acer (LU.S680B.066) PC Notebook From $256	Acer AOD250-1116 (LU.S700B.029) Netbook From $287	Toshiba NB205-N310/BN (PLL20U-00201D) Netbook From $367	Acer Aspire One AOD250-1326 10.1-Inch UltraThin Seashell White Netbook - 3 Cell Battery (LU.S690B.037) From $287	ASUS Eee PC 1005HA-PU1X-BK Netbook From $355

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

05-10-2006, 05:39 AM	#3
Gabriel Torres Administrator Join Date: Oct 2004 USA Posts: 2,553	Thanks a lot, corrected! Let us know if you find any other error on this or any other article. Once again, thank you very much! Cheers, Gabriel.