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## Cascade Sigma Delta |

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cascade and sigma delta , sigma delta cascade , cascade delta sigma , cascade sigma delta modulator

10 Threads found on edaboard.com: **Cascade Sigma Delta**

hello everyone!!
I am reading the book "CMOS **cascade** **sigma**-**delta** Modulators for Sensors and Telecom: Error Analysis and Practical Design (Analog Circuits and Signal Processing)
Rocío Río Fernández (Author), Fernando Medeiro Hidalgo (Author), Belén Pérez Verdú (Author), José Manuel Rosa Utrera (Author), Ángel Rodríguez-Vázquez (Author) " (...)

Digital communication :: 08-17-2011 16:12 :: pankaj jha :: Replies: **0** :: Views: **1450**

Do you mean Modified CIFF-IF (**cascade** of Integrators with Weighted FeedForward Summation and Input FeedForward) ?

Analog Circuit Design :: 06-23-2011 14:07 :: pancho_hideboo :: Replies: **2** :: Views: **780**

Hi everyone
I met a question in the designing the mash **sigma****delta** adc.
In my design, it is a 2-1-1 mash, every stage has 1-bit flash. I use the scaling factor as in book(**cascade** **sigma** **delta** adc for sensor and telecom).
I have finished the schematic, and is doing the spectre simulation for (...)

Analog Circuit Design :: 07-20-2010 13:34 :: gdhp :: Replies: **4** :: Views: **1940**

Hello,
I want to design 2-2 **cascade** **delta** **sigma** modulator for 2 mhz signal bandwidth, i must sum the two outputs given by the two stages, i use ORCAD PSPICE for similation, i need to implement H(z) =z^-1 which is a delay unit, i don't know the structure of this function using MOS transistors and how i implement it.
Please help me

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 06-14-2010 13:25 :: soulaima :: Replies: **0** :: Views: **1167**

dear all,
does anybody know how I can extract the first stage quantization noise and fedd it into the second stage in hspice?
any paper or article?

Analog Circuit Design :: 01-22-2010 07:49 :: raceon1600 :: Replies: **0** :: Views: **755**

Can one show me CIC filter(**cascade** of integrator comb filter) MATLAB code?
I want to design a Sinc^2 comb filter followed by **sigma**-**delta** ADC.
It is 1-bit input , 16-bit output decimation filter.
How can I bulit and setting a CIC SIMULINK model?
pls help me, thank you!

Analog Circuit Design :: 04-03-2009 02:54 :: kuohsi :: Replies: **2** :: Views: **7051**

Hi. guys,
I want to design a third-order **delta**-**sigma** adc and I want to try MASH(multi-stage noise shaping) structure with 2-1 **cascade**. The behavioral model is shown below.
I have question about the noise cancellation logic. How do I realize the gain block
"1/c1" and "b1-1" . I think the two quantizer outputs y1 and y2 are signle-bit (...)

Analog Circuit Design :: 09-24-2008 07:21 :: skythunder :: Replies: **1** :: Views: **1376**

i simulated **sigma**-**delta** modulator in matlab.i am getting same SNR for single stage and **cascade** stage.can anybody tell me,what may be the problem.i am trying in SD toolbox.
why you dont try this toolbox? hope it can help you.
Description:
The **delta**-**sigma** Toolbox includes nearly 100 functions which (...)

Analog Circuit Design :: 11-03-2007 11:05 :: ehsanica :: Replies: **4** :: Views: **2670**

hi,all
i am a beginer in analog ic design and recently in my first project **sigma**-**delta** ADC.
my case is: 1 bit, **cascade** 2-1-1modulator, 64 OSR, in simulink SNR could be 108dB, considering KTC noise/clock jitter/nonideal opamp,SNR could be 97dB, noise level is about -140dB.
then i begin my circuit.
when simulate circuit, (...)

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 12-21-2005 02:52 :: chuzi :: Replies: **2** :: Views: **1473**

Deal all,
I will design 14bit/24MHz sampling 2-2 **cascade** **delta**-**sigma** ADC,Where I should to be careful design rule?stability?or power consumption?
About OTA design, How do many unity-bandwidth and settling time enough to satisfy?
Design spec:
resulation: 14bit
input bandwidth: 1MHz
Sampling speed: 24MHz
OSR=12
Thanks a lot.

Analog Circuit Design :: 09-06-2005 13:15 :: neter :: Replies: **3** :: Views: **1360**

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signal conditioning circuits | decoder turbo | gsm uart | line transient | rs485 half duplex | about cdma | current sensors | nyquist plot | installscape installation | pcb inverter schematic