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1000 Threads found on edaboard.com: **Calculate iip3**

hi
i hope :the sentence is correct:?:
i cant **calculate** **iip3** for lna with ads?:sad:
pleas help me

Analog IC Design and Layout :: 11-08-2010 05:06 :: nooshiin :: Replies: **5** :: Views: **1125**

How I can **calculate** **iip3** & noise figure & 1dB com. with Aplac
I designed gilbert cell mixer with mosfet (BSIM3 model) and i want to quickly compute main parameter of mixer with aplac v7.6.
any one can help me?

RF, Microwave, Antennas and Optics :: 08-08-2005 00:04 :: hr_rezaee :: Replies: **3** :: Views: **971**

Dear all,
I know the expression of
P_**iip3**=(3P_in-P_im,in)/2;
it leads to
P_in=(2P_**iip3**+P_im,in)/3,
to get P_in,max, let P_im,in=F (noise floor).
P_in,max=(2P_**iip3**+F)/3.
There are two variables in equation, P_in,max and P_**iip3**.
In RF system design, which one should be (...)

RF, Microwave, Antennas and Optics :: 06-08-2007 21:52 :: fxxjssc :: Replies: **1** :: Views: **6492**

RF, Microwave, Antennas and Optics :: 12-09-2007 07:19 :: khouly :: Replies: **3** :: Views: **2348**

can u explain more than?
i cant **calculate** **iip3** with this formula:ip_3=ip_3(vout,ssG,.....):-(
thaaaaaaaaaaaaanks

Analog Circuit Design :: 11-08-2010 05:22 :: nooshiin :: Replies: **1** :: Views: **2609**

Write your **iip3** equation in the outputs menu and then make your simulations by changing bias current utilizing parametric simulation.So, when you change bias current, for each step PSS+PAC will **calculate** **iip3** and you'll obtain **iip3** vs bias current curve.

RF, Microwave, Antennas and Optics :: 11-10-2009 08:06 :: BigBoss :: Replies: **2** :: Views: **767**

i have this circuit in ADS and i want to **calculate** **iip3** .
can anybody help me?

RF, Microwave, Antennas and Optics :: 02-27-2010 06:53 :: alizadeharand :: Replies: **11** :: Views: **2091**

hi all
i want to **calculate** **iip3** in ADs. I have 2 inputs LO and Rf freq for zero if receiver for wimax .the centre freq is 5.20 GHz.what will be the indices and equation required to **calculate** **iip3**
pls help

Analog IC Design and Layout :: 02-25-2012 06:24 :: dishasoni :: Replies: **0** :: Views: **509**

When OIP3 simulation is done, max. output power for each carrier should be 20dB lower-at least- than P1dB Output Power hence xIP3 equation is still valid.
For instance...
Let's say an amplifer G=20dB and P1dB=30dBm
Maximum allowable input signal(s) for OIP3 simulation will be
P1dB-20=>10dBm-Gain=-10dBm for each.
Otherwi

RF, Microwave, Antennas and Optics :: 07-10-2014 12:06 :: hari_preetha :: Replies: **10** :: Views: **599**

Hello all,
I am trying to get the receiver specs for a mobile WiMax tranceiver, in the standard, the only indication i found to receiver nonlinearity is given by the "adjacent and nonadjacent rejection at BER=10e-6 for 3 dB degradation C/I" numbers.
I really don't understand the term "for 3 dB degradation C/I"?, the standard doesn't give any de

RF, Microwave, Antennas and Optics :: 08-25-2006 06:00 :: ghadahamdy :: Replies: **2** :: Views: **902**

The inband **iip3** for WCDMA is specified @ 10MHz offset. So I ran a 2-tone test w/ following parameters,
RF1=2150MHz
RF2=2160MHz
LO=2140MHz
First of all, should I have used the 2 tones @ 10/20.5MHz so that IM3(0.5MHz) falls within the BW(5MHz)?
Secondly, due the LPF @ mixer output w/ cutoff of 8MHz, the output @ 10MHz is much bigger tha

RF, Microwave, Antennas and Optics :: 08-11-2005 14:56 :: boshiouke :: Replies: **4** :: Views: **958**

I need **iip3** of front-end for designing a 5 GHz Mixer in 802.16a. How I can **calculate** the value of the power of the input interferer,

RF, Microwave, Antennas and Optics :: 01-05-2007 19:03 :: rosaeidi :: Replies: **2** :: Views: **1580**

For a circuit whose input impedance is high, how to simulate its **iip3**, gain, NF so that I can use these parameters to **calculate** the **iip3**, gain, NF of the overall cascade chain?

RF, Microwave, Antennas and Optics :: 06-06-2008 22:26 :: zhangjavier :: Replies: **2** :: Views: **614**

I've never used 0.35
Thus I do not know exactly
You'd better **calculate** it yourself.
Bosco Leung's book on microwave VLSI circuit design would be helpful.
thankyou!
I guess there maybe some optimum value for **iip3**-NF under certain current .
Is it possible to achieve **iip3** around 10dBm NF<15dB current tail<1mA 2G downconverti

RF, Microwave, Antennas and Optics :: 07-07-2008 08:51 :: fanshuo :: Replies: **7** :: Views: **776**

hi all
i am simulating zero -IF receiver for wimax.
i want to **calculate** 1 dB compression point but in HB it is not allowing 0 Hz as output frequency.
and for 3 mixer tones what is the **iip3** equation
pls help
thanks

RF, Microwave, Antennas and Optics :: 02-27-2012 06:51 :: dishasoni :: Replies: **1** :: Views: **340**

Greetings Reader,
I am simulating an amplifier (A simple one)
The amp is merely a differential pair with a tail current source and resistive load. Differential Input Differential output.
I placed 2 ports at the Gates of the Pair - each of them having first and second sinusoid amplitude set to pin in dBm
and swept pin in a swept PSS analysis

Analog Circuit Design :: 03-02-2013 13:04 :: Bellerophon :: Replies: **0** :: Views: **199**

I don't think there is a formula to **calculate** die size just based on gate count and RAM size. If you look at most chip, you will see that about 25%~40% of die size is used for just routing purposes. That means die size depends largely on unknown factors such as cell library used, routing tools, and maybe experiences of routing engineers. You can on

ASIC Design Methodologies and Tools (Digital) :: 07-03-2002 20:52 :: rh1101 :: Replies: **12** :: Views: **5290**

how do i **calculate** snr of a circuit i have tested. say i hav constructed a ic741 inverting amplifer how do i **calculate** the snr.
let the input be a normal sine wae of ampl 0.04v
sriram

Professional Hardware and Electronics Design :: 09-17-2002 09:15 :: snsriram79 :: Replies: **5** :: Views: **2043**

Could anyone tell me how to **calculate** the resistance and inductance of vias.
The frequancy range is from DC to 50MHz.

PCB Routing Schematic Layout software and Simulation :: 01-17-2003 00:08 :: colin_cheng :: Replies: **3** :: Views: **2593**

1/2
Here is a good way to **calculate** the pice of a cheap ...
Unfortunatly, 1 month is too short for evaluation :cry:
Anyone knows how to extend its time ???
Okguy

Microcontrollers :: 01-20-2003 05:09 :: okguy :: Replies: **1** :: Views: **660**

How to **calculate** the toggle rate in ncverilog?

ASIC Design Methodologies and Tools (Digital) :: 01-21-2003 23:39 :: PatrickChen :: Replies: **3** :: Views: **2379**

Check this thread
Simulator: ezNEC
:!: :idea: :?:
Hi,
I need a design for omi direction antenna for 1250mhz - 1300mhz with gain of 10db or more. Any software to **calculate** the practical lengths of antenna arms.
Regards.
Rehan

RF, Microwave, Antennas and Optics :: 03-28-2003 19:19 :: g86 :: Replies: **11** :: Views: **2447**

How can **calculate** FUSE on PCB TRACE ?

PCB Routing Schematic Layout software and Simulation :: 02-20-2003 06:37 :: AG :: Replies: **6** :: Views: **8047**

How can **calculate** the sine and consine function by using FPGA or VHDL code?
For synopsys users:
If you have the DesignWare Foundation Library (dw_2) licensed, you can use the DW02_sincos model.
see attached file.

PLD, SPLD, GAL, CPLD, FPGA Design :: 02-21-2003 05:46 :: gnomix :: Replies: **19** :: Views: **12181**

Hi all:
Do you know whether there is some
softwares or tools can **calculate**
Green's function, either simbolically
or numerically?
The input should not be limited by
planar structure and symmetric structures.
It is powerful if it can solve general cases.
If there is no such software,
maybe it is a good topic for research.
Regards

Electromagnetic Design and Simulation :: 02-27-2003 21:14 :: div :: Replies: **7** :: Views: **2923**

Design a CMOS LNA, got **iip3**=1.5dBm, Which don't meet the requirement? Anyone know how to improve **iip3**?

RF, Microwave, Antennas and Optics :: 03-14-2003 14:13 :: dd2001 :: Replies: **3** :: Views: **1576**

I need to capture live video feed from a 4MPixel/Frame, 30Frames/sec, 16bits/pixel high resolution camera and for that I need to know what the data transfer rate of the video capture card should be. Multiplying 4*30*16 becomes 1.9Gbits/sec. Does this mean that I should use a 1.9Gbits/sec capture card? Since 1 Byte=8 bits, 1.9Gbits/sec becomes 240MB

Professional Hardware and Electronics Design :: 05-14-2003 10:21 :: IndiJones :: Replies: **1** :: Views: **1413**

Hello!
I would like to **calculate** this parameter for an FPGA design based on DSP functions like FIRs, FFTs.. and evaluate if there is really a need for FPGA.
Any idea how to do this?
Thx Bart

PLD, SPLD, GAL, CPLD, FPGA Design :: 05-22-2003 07:20 :: Bartart :: Replies: **1** :: Views: **2404**

a DOS program to **calculate** the combline filter

Software Links :: 06-16-2003 17:13 :: nozone :: Replies: **5** :: Views: **3159**

a DOS program to **calculate** the attenuation pad

Software Links :: 06-16-2003 17:30 :: nozone :: Replies: **0** :: Views: **1815**

In most cases, the TX NF is not important. So it's hard to **calculate** it than RX. :roll:

RF, Microwave, Antennas and Optics :: 07-21-2003 07:07 :: zcr35 :: Replies: **5** :: Views: **1141**

Hi minoss
There are several possibilities:
1.) Look for zero-crossing on both channels. Measure the frequency (time from zero-cross to zero-cross multiplied by 2) of one channel. Measure the difference between the zero-crosses (identical edge) of both channels. So you can **calculate** the phase shift.
2.) Transform the input-signal to a logical

Microcontrollers :: 09-11-2003 07:24 :: mr_ghz :: Replies: **1** :: Views: **1101**

in hspice or spectra, does anyone know hot to get or **calculate** the input capacitance value(Cin) of a I/O cell?
help me. thx!

ASIC Design Methodologies and Tools (Digital) :: 10-31-2003 01:20 :: taoly :: Replies: **1** :: Views: **2219**

Hi all,
Some one have a C code (for embedded) to **calculate** the RMS value of the sine-wave readed by an ADC of 8 bits?
ThX
NeuralC

PC Programming and Interfacing :: 11-21-2003 08:52 :: neuralc :: Replies: **2** :: Views: **6516**

Currently I design a protocol conversion using X/ilinx FPGA some signals need to be passed through the FPGA and other can be dirctly connected, I'm worry about the time delay between the signals passed through FPGA and the direct ones and I should issue the PCB design now as it take long period to be back. my question is
1- Should I pass all signa

PLD, SPLD, GAL, CPLD, FPGA Design :: 12-16-2003 07:07 :: Al Farouk :: Replies: **3** :: Views: **1722**

You have to **calculate** it yourself, but you only **calculate** it once. You may need several tables for situations where the signals are uncorrelated and for when they are the same signal at different phasees.
Use the same method you now use. Make one signal 0 dBm and the other from 0 dBm down to how many -dBm it takes to get an addition of 0.01 dB

RF, Microwave, Antennas and Optics :: 12-17-2003 13:13 :: flatulent :: Replies: **3** :: Views: **1362**

Sure,
There are tons of way to **calculate** checksum.You can develop yours for example.You can sum all bytes and mod it to for example 256.Then you'll have a checksum byte ;)
Analyzer.

Microcontrollers :: 02-16-2004 06:00 :: Analyzer :: Replies: **6** :: Views: **5644**

I want to build a harmonic current meter for power supply testing,I use AD converter to sample AC input current ,but how can i **calculate** harmonic current ? what is the formulate? how to use FFT?

Professional Hardware and Electronics Design :: 02-12-2004 22:19 :: alphi :: Replies: **3** :: Views: **2272**

Hi,
I want to know how to **calculate** the processor timing values? ie to know how much timing is taken to execute each instructions? How to **calculate** this? How to **calculate** the latency period?
Regards,
Priya.

Microcontrollers :: 02-19-2004 07:07 :: Priya :: Replies: **1** :: Views: **915**

Hi, I am trying to **calculate** the capacitance of 2 parallel plates using HFSS
ver 9.1 and can not get the answer. The answer should be about 107pF.
Each plate is 1.0 inch x 1.0 inch and 1.0 mil (0.001inches) thick. The
plates are seperated by 10 mils. The dielectric layer between the plates has a dielectric constant of 4.4.
I am not sure h

Electromagnetic Design and Simulation :: 02-20-2004 18:34 :: camelot2 :: Replies: **6** :: Views: **1977**

have someone know HFSS how to calaulate number of mesh??
Because i want to know how much memory to calaulated in my case.
My case is roughly 200mm and the sweep frequency is the wavelength is almost the same with bodylegth.have some know how much memory to be used??In the same time,please tell me how to **calculate**.

Electromagnetic Design and Simulation :: 02-27-2004 02:39 :: ablendos :: Replies: **2** :: Views: **1253**

Use smith chart. **calculate** the normalized impedance first. Mark the normalized impedance on the Smith chart. Then draw S (VSWR) circle. Then read the S value on the smith chart. R circles and S circles are tangential to each other.
I hope it helps.
regards,
Lkuzu

Electromagnetic Design and Simulation :: 03-05-2004 12:38 :: lkuzu :: Replies: **5** :: Views: **6750**

Of course, fourier transform should be done to the voltage and current, because impedance is a frequency-domain parameter.
To **calculate** current, use the equation
I=integral along a close path (Hdl)
set a close path that include the trace(in the cross secton view). apply the above equation to obtain the current in the trace.

Electromagnetic Design and Simulation :: 03-07-2004 01:45 :: yorkyong :: Replies: **11** :: Views: **2111**

Hello All,
have somebody ideas how to **calculate** Mixed Mode differential S-Parameters from Single Endet 4-Port S-Parameters?
Maybe with @ds and ideal baluns?
Thank you for hints!!!

RF, Microwave, Antennas and Optics :: 03-18-2004 07:31 :: lebed :: Replies: **2** :: Views: **2163**

hi any buddy guide me about program **calculate** the dimension of butterfly stub that i want to use it in biasing of LNA
regards

RF, Microwave, Antennas and Optics :: 03-23-2004 23:27 :: abdoeng :: Replies: **0** :: Views: **934**

You can download RELIABILITY PREDICTION OF ELECTRONIC EQUIPMENT, MIL-HDBK-217F, free from here:
In MIL-HDBK-217F are listed Failure Rate of many different types of electronic components.
There are newer standards, but MIL-HDBK-217F is still widely used and is a good starting

Electromagnetic Design and Simulation :: 03-31-2004 09:28 :: VSWR :: Replies: **3** :: Views: **5574**

I have to **calculate** small transformer which is to be used only to generate voltage which is separated form primary side. The transformer must be powered by sine wave voltage at primary side of about 25kHz and power 0,5...1W. Alhough is seems to be very simple how to **calculate** such a transformer basing on equations used for oridinal 230V transformer

Professional Hardware and Electronics Design :: 04-13-2004 08:37 :: kekon :: Replies: **0** :: Views: **1367**

Usually, NAND2 gate is used to **calculate** the gate count of a design.
Exp,in smic library,1 NAND2 = 9.98 um*um. So if your area report from DC is N um*um, then your gate count is about N/10.

PLD, SPLD, GAL, CPLD, FPGA Design :: 05-31-2004 22:09 :: prisnow :: Replies: **4** :: Views: **2684**

f:1850-1910MHz
Gain:8dB
NF:<1dB
**iip3**:10dBm
a single-stage balanced amplifier(I use two ATF54143)
To meet the low gain,I add a Pi Resistor network,but the NF become worse(about 1.2dB).Can you help me?

RF, Microwave, Antennas and Optics :: 05-03-2004 04:39 :: liaodongyuan :: Replies: **5** :: Views: **2078**

Here is the answer:
In a 75 ohms system to convert dBmV to dBm you have to add 48.7506.
In a 50 ohms system to convert dBmV in dBm you have to add 46.9697.
You have to **calculate** first the field strength in dBm and convert to dBmV
regards

RF, Microwave, Antennas and Optics :: 05-10-2004 14:45 :: vfone :: Replies: **5** :: Views: **20537**

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