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12 Threads found on edaboard.com: **Slope Calculation**

Hello everybody,
I'm trying to calculate dispersion curve for a metamaterial. So, for the beginning and benchmark, I'm considering a very simple problem which is dispersion curve of free space. As everyone knows the dispersion curve for the free space should be a line with the **slope** of 45degree. Thus, I consider a vaccum box (epsilonr=1) with PEC

RF, Microwave, Antennas and Optics :: 11-01-2016 10:05 :: usef_vahabzadeh :: Replies: **7** :: Views: **381**

Hello,
today I saw an book to describe the modeling of power switch for dcdc.
for me there is a question that about the **slope** value **calculation**:
* for the buck, it is obviously that the up **slope** is S1=(Vin-Vout)/L
* while from the book, it is expressed as S1=Vac/L
I am confused about this equation, and does any one can help me to (...)

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 07-28-2014 11:08 :: dyjguilin :: Replies: **0** :: Views: **337**

Nominal Resolution of dual-**slope** ADC is usually referring to the resolution of the time measurement of de-integration phase and is simply given by your hardware design. Usable resolution is a matter of various error terms and more difficult to determine. Ponts to consider are
- integration capacitor loss factor
- comparator response time

Analog Circuit Design :: 09-22-2012 10:54 :: FvM :: Replies: **2** :: Views: **984**

hi alex
i found the derivative accoring to formula u given ....
i got pulsed waveform 60354
now with this wave form and defination of slew rate we can find slew rate as maximum rate of change of output .....i got such a value equal to...
SR+ =229e6.
SR- =-227e6
CL=1pF
but these are very high values right ....??
have i

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 08-18-2011 05:53 :: ASHUTOSH RANE :: Replies: **5** :: Views: **1935**

Hi
I need advices on noise **calculation** of ADC.
I'm designing a single-**slope** serial ADC. A two-stage comparator compares Vin with Vramp and drives an NAND-gate. The output of the NAND gate then activates a counter. The counter operates at much higher frequency than the -3dB freq of the compartor.
I want to calculate the thermal noise of t

Analog Circuit Design :: 11-28-2009 21:56 :: noleeach :: Replies: **0** :: Views: **1718**

Hello!
Is this a question?
Is it part of your math homework?
Dora.
dx(t)/dt denotes the **slope** of the signal x(t), obtain an expression for the highest allowable **slope** of the signal in terms of modulation parameters (modulation frequency and step size)
And explain two possible methods to prevent from the **slope** overloading

Digital Signal Processing :: 06-29-2009 20:26 :: doraemon :: Replies: **1** :: Views: **636**

Hi
Must be a small question.
I wan to know how to impliment Two point calibration and **slope**/Offset **calculation**.
ExampleL
If you have a temperature sensor and you like to calibrate it with two know temperatur levels. There must me some error or difference in the known values and the value given by your sensor.
in software calibration the soft

Microcontrollers :: 08-21-2007 05:16 :: sadat007 :: Replies: **0** :: Views: **3452**

If its linear, and you have two points, namely, thinner doping and thicker doping values, make a line and find its **slope**. X-axis is the distance. Y-axis is the doping profile.
I am not too sure about my answer, but the reason I think its not a bad method is because the gradient is in cm^-4, which is (cm^-3)/cm. Kinda reverse answering..
If an

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 09-14-2006 23:47 :: srivatsan :: Replies: **1** :: Views: **1987**

Hi,
In the opamp design, first u assume the amount of current to flow at the tail, let say about 100uA. Then to find out the value of λ, take a single PMOS or NMOS. You fix the gate voltage and u sweep the VDS (Drain voltage). Later you plot the curve IDS Vs VDS. So, you can measure the value of ro (output impedance) from the **slope**. Then co

Analog Circuit Design :: 10-11-2005 06:08 :: suria3 :: Replies: **5** :: Views: **1168**

Hi.
There is another way to plot gm of one device, however. But for equal gm (Gm) **calculation** of a specified structure you can measure its **slope** by using .measure statement and DERIV keyword (or something like that) to calculate the derivative (or **slope**) of your parameter 'Id/Vgs'. you can name your measurement in your netlist and write the (...)

Analog Circuit Design :: 06-02-2005 04:46 :: ezt :: Replies: **5** :: Views: **6847**

It can be runned .Tran analyse with a slow and **slope** input. It also run .DC analyse and sweep vin.

Analog Circuit Design :: 05-29-2005 05:10 :: staric :: Replies: **4** :: Views: **4898**

Srivats..
...please remember following 2 rules for current mirrors..
1. always use Channel length which is 4-5 * Lmin ...(though this is ideal for DSM i.e < 0.25u)....the best thing wud be for u to characterize the MOS and see for which 'L' Id **slope** is less...use that length
2. Ensure that Vds of mirror X'tors are similar..this takes out (1+

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 09-09-2004 04:03 :: airace :: Replies: **9** :: Views: **1203**

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