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# Harmonic Distortion Simulation

16 Threads found on edaboard.com: Harmonic Distortion Simulation

## third harmonic in sigma delta modulator's output spectrum

There are different sources of non-linearity in a SD-modulator. The assumption, that you mainly see odd harmonics is of course based on prerequisites, generally speaking no even terms present in the polynomials describing the transfer characteristics of individual building blocks. There's a paragraph about distortion in the simulation (...)

## Software for simulation of a Modulator/Mixer

Before you start to test linearization algorithms (I assume, it's a kind of adaptive pre-distortion) in Simulink, you should verify your mixer models. I'm not familiar with the RF toolbox. Basically non-linear diode characteristics and harmonic analysis (e.g. by FFT) should work for your purposes. Apart from your special intention to test C-code

## Harmonic distorsion in Orcad Pspice

No, you do not any easy alternate. You need to have model for that. Can you share the circuit you want to simulate, may be seeing that people comment on possible sources to introduce harmonic distortion in simulation.

## THDN (total harmonic distortion + noise ) simulation of the Op-Amp

hello friends So far I was enquirer how to simulate or calculate the SNR. Now I would like to ask you how to simulate the THDN (total harmonic distortion plus noise) of the operational amplifier. Thank you and I appreciate very much your answers

## calculation of harmonics

i want to calculate total harmonic distortion using fft of supply voltage..plz can you help me out with how to use the fft to calculate magnitude of voltages at harmonic frequencies and then find out the thd.

## [ADS] Simulating harmonic distortion for MOS differential amplifier

Hi everybody, I'm having a little troubling simulating the harmonic distortion for a MOSFET differential amplifier with ADS. I am trying to calculate HD2, HD3, and the point at which the apparent gain drops by 1dB all for a 50mV signal at 100 MHz. I set up the circuit and added the harmonic Balance simulation block and set (...)

## how to measure Harmonic Distortion using MentorGraph EZ wave

hi presently i am worlking with Mentor graphic ELDO Spice for analog circuit simulation.for measuring specification of my amplifier i have to measure harmonic distortion(HD). i dn't know how to measure HD of a wave form by using EZ wave calculator of the mentor graphics .please guide me. Rgds Raju

## nonlinear optimization in ADS

I want to optimize a model in ads using the measured nonlinear distortion data. In HB simulation environment, I can not find ways to write the measured distrotion data such as harmonic distortion and intermodulation distoriton into the goal function. Could anyone give me some guidance to solve this problem? Thanks in advance!

## The procedure of the simulation of the Harmonic Distortion

Dear All, thank you for reading this topic. I just design an OTA and I will conect it to a capacitor to build a lowpass filter. Then I will put a 100mV sine signal at the input and want to see the harmonic distortion at the output. Does anyone show me the procedure that how can I get the result? A sample is put in the attchment and t

## THD simulation in Cadence Spectre

Hi, guys, How to simulate the total harmonic distortion (THD) in Cadence Spectre simulator? Many thanks, Ruri

## about THD(total harmonics distortion)

i am not sure but i think when they say HD they mean the harmonic(mul;tiples of fundemental) distortions and when they say IMD they mean non-tones distortion (non-harmonic distortion)

## harmonic distortion calculation in spice

can someone tell how to do simulation in SPICE to calculate harmonic distortions in an opamp.

## ADC characteristics simulation

hello all, i have designed a 10 bit ADC and i would like to simulate the major ADC characteristics.....but my knowledge in simulation of ADC characteristics is quite limited.......the characteristics i want to measure are the following: 1-DNL 2-INL 3-input offset voltage 4-Total harmonic distortion 5-Spurious Free Dynamic Range (...)

## How to extract performances of a Gm-C integrator?

My question is how to extract the nonlinearity of a Gm-C integrator, i.e. THD (total harmonic distortion). SNR (Signal-to-Noise Ratio) and SDR (Signal-to-distortion ratio)? As my knowledge, these perforamnces are from the FFT of a signal. Does it need a tranisent simulation??? In some literatures, the performances 1dB (...)

## How to simulatue a Gm-C integrator?

My question is how to extract the nonlinearity of a Gm-C integrator, i.e. THD (total harmonic distortion). SNR (Signal-to-Noise Ratio) and SDR (Signal-to-distortion ratio)? As my knowledge, these perforamnces are from the FFT of a signal. Does it need a tranisent simulation??? In some literatures, the performances (...)

## harmonic distortion simulation for switchcap sampling n/w

Hi, I am working on a pipelined ADC and stuck with the followng problem.. I want to simulate the input sampling network (switch cap ckt) for harmonic distortion.. Basic requirement is to compare distortion for clock voltage (for switch) of 3.3V and 2.5V.. Plz give suggestion abt the simulation based on cadance and (...)

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