the different of digital and analog
2014-07-05 14:55
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区分数字和模拟的区别，想把这个弄清楚，结果国内网站没有，所以只有在国外去找，结果发现一个帖子有人解答了这个问题
would like to know what is the different between analog and digital technology process? Is that if i use analog process, I can't have the digital circuitry or vise versa? What is the significant different in between them and what if in the mixed signal
circuit design, which process is the best.
the basic difference is that a digital ckt kows only two states of a signal '0' and '1'//
while the analog works on any value
u can use both analog and digital ckt and even u can have them together
no one can say which is the best
u use which ever suites ur application//
View Gerber & ODB++. Performs DFM & Net Checks. Panelize, Edit, & more//
Because analog processes come often with support the explanation could be:
1. A process with have additional device like high-ohmic polyresistors, MIM-caps, isolated NMOS ...
2. A process with have in addition to standard analog devices special processing tricks to improve on analog imperfections like passive linearity, tempcos, noise ...
3. A better process control where you get tighter tolerances and matching of devices
4. Improved support to use the process like improved modelling and advanced tool feature support.
Digital devices could made with nearly any process, also pure bipolar with CML or E2L logic. Some hard cell library vendors support only specific processes. But that decision is because ther is a lot of effort to built a characterization for a process. So in
some "analog" processes you miss some library offerings but that does not mean ther are unable to built gates.
我想知道的模拟和数字技术的过程有什么不同？是，如果我使用模拟的过程中，我不能有数字电路或反之亦然？什么是重要的不同在他们之间，如果在混合信号电路的设计过程，这是最好的。
基本的区别是，数字电路数值，只有两种状态的信号“0”和“1”/
而模拟的任何工程的价值
你可以用模拟和数字电路，甚至你可以让他们在一起
没有人能说这是最好的
你用哪套你的应用/
查看Gerber & ODB +。执行DFM与净检查。拼板，编辑，和更多的/
由于模拟过程常来支持的解释可能是：
1。一个过程的附加装置，如有高欧姆polyresistors，MIM电容，隔离nMOS…
2。除了标准的模拟设备特殊处理技巧来提高模拟缺陷喜欢被动的线性度，tempcos有一个过程，噪声…
3。一个更好的过程控制在你得到更严格的公差和配套设备
4。改进支持使用过程建模和先进的工具性支持的改进。
数字设备可以与几乎任何工艺制成，纯双极性慢性粒细胞白血病或E2L逻辑。一些细胞库供应商只支持特定的过程。但这一决定是因为有很多的努力，建立了一个过程特性。所以在一些“模拟”的过程，你错过一些图书馆祭，但这并不意味着他们不能建大门。
would like to know what is the different between analog and digital technology process? Is that if i use analog process, I can't have the digital circuitry or vise versa? What is the significant different in between them and what if in the mixed signal
circuit design, which process is the best.
the basic difference is that a digital ckt kows only two states of a signal '0' and '1'//
while the analog works on any value
u can use both analog and digital ckt and even u can have them together
no one can say which is the best
u use which ever suites ur application//
View Gerber & ODB++. Performs DFM & Net Checks. Panelize, Edit, & more//
Because analog processes come often with support the explanation could be:
1. A process with have additional device like high-ohmic polyresistors, MIM-caps, isolated NMOS ...
2. A process with have in addition to standard analog devices special processing tricks to improve on analog imperfections like passive linearity, tempcos, noise ...
3. A better process control where you get tighter tolerances and matching of devices
4. Improved support to use the process like improved modelling and advanced tool feature support.
Digital devices could made with nearly any process, also pure bipolar with CML or E2L logic. Some hard cell library vendors support only specific processes. But that decision is because ther is a lot of effort to built a characterization for a process. So in
some "analog" processes you miss some library offerings but that does not mean ther are unable to built gates.
我想知道的模拟和数字技术的过程有什么不同？是，如果我使用模拟的过程中，我不能有数字电路或反之亦然？什么是重要的不同在他们之间，如果在混合信号电路的设计过程，这是最好的。
基本的区别是，数字电路数值，只有两种状态的信号“0”和“1”/
而模拟的任何工程的价值
你可以用模拟和数字电路，甚至你可以让他们在一起
没有人能说这是最好的
你用哪套你的应用/
查看Gerber & ODB +。执行DFM与净检查。拼板，编辑，和更多的/
由于模拟过程常来支持的解释可能是：
1。一个过程的附加装置，如有高欧姆polyresistors，MIM电容，隔离nMOS…
2。除了标准的模拟设备特殊处理技巧来提高模拟缺陷喜欢被动的线性度，tempcos有一个过程，噪声…
3。一个更好的过程控制在你得到更严格的公差和配套设备
4。改进支持使用过程建模和先进的工具性支持的改进。
数字设备可以与几乎任何工艺制成，纯双极性慢性粒细胞白血病或E2L逻辑。一些细胞库供应商只支持特定的过程。但这一决定是因为有很多的努力，建立了一个过程特性。所以在一些“模拟”的过程，你错过一些图书馆祭，但这并不意味着他们不能建大门。
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