The NI 5752 reactance

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• Amplitude varying on the change of the input frequency

  Hello

  I using NOR-5752 scanner to measure the analog inputs of high frequency. NOR-5752 is connected to the module FLEX RIO 7966R and entry to the NOR-5752 is provided using the SMB-2145 terminal outlet box.

  Now, I'm the animals the 0.5Vpp @ different frequencies of tektronix generator of functions directly and by measuring using the digitizer. On the change of the frequency, measured amplitude is changed.

  All,

  For the NI 5752 frequency response strange behavior is expected.  CDA in NI 5752 is the TI AFE5801 (http://www.ti.com/lit/ds/slos591d/slos591d.pdf), and if you look at Figure 19 (p.13), you will see that frequency response of the ADC is only flat after about 1 Mhz.  I checked this with our R & D Department and they said they are not aware of any combination of parameters that gives a uniform frequency response at these low frequencies.

  If a flat frequency response is necessary for these lower frequency ranges, then the 5751 NOR is much better suited because it has a different ADC.  (http://www.ni.com/pdf/manuals/375602b.pdf)  The frequency response of this device is very flat in the low frequencies (see Figure 11 p.15).

  So both devices, NI 5752 and the 5751 OR are designed to measure different frequency ranges.  I hope this helps.

• Trace impedance Locus - resistance vs reactance

  Hello

  I'm new on using MultiSim and therefore still find my way around. I have a circuit (including essentially parallel RC) and would like to do a scan of the same AC thing. I see MultiSim offers several features for these sub simulation-> analysis-> 'AC Analysis' and 'single frequency AC Analysis. I managed to generate the impedance (Z) vs frequency (f) via the "AC Analysis" method. It's pretty simple.

  Now, I want to generate an impedance - i.e. a plot of resistance vs reactance Locus (also called a trace of Cole - Cole, I think), my circuit over a range of frequencies (so as to obtain a locus) as for the route of f Z vs. I tried the "Single frequency AC Analysis" method and I got for the resistance and reactance, but values for a single frequency value, like the real parts and imaginary output (I checked that the values are accurate). So I'm left wondering how I can get this run on a range of frequencies (say 0.001 Hz to 1000 Hz) and achieve a consolidated result. Also, if possible, if I can get directly this drawn see grapically locus.

  I went through the forum and video tutorials, but could not get what it is. Thank you very much, in advance!

  See you soon,.

  Shailesh Marco

  Hey that worked perfectly! I was able to trace the real and imaginary parts.

  Thank you very much!

• How do impedance analysis

  What instrument or method can be applied to the analysis of impedance in a circuit?

  If this tour has included some capacitors and inductors, the multimeter is not his answer, heihei.

  I need get the resistance and reactance circuits in Multisim.

  Hey, Fangel.

  The best way I know to do what you want in Multisim is to run an AC analysis in simulation menu, under "analysis-->. Set up the bandwidth, and the number of points, etc., the way you want and run analysis AC. After that, run the "postprocessor" (also in the simulation menu) and have it draw or voltage complex to your node of interest from the list. As noted above, the voltage will be equal to the impedance when your test source is a 1a current source.

  For example, if my node is v (1), I tell him graphic "frequency", "re (V (1))" and 'im (V (1))', which will produce a table of the complex impedances at all frequencies. See the image as an attachment.

  The series resistance is the real part (re (V (1))) and the reactance is the imaginary part (im (V (1))).

  Hope this helps,

  Ed

• Reactance frequency-dependent in the definitions of materials

  I'm trying to run a simulation for a material with a reactance frequency-dependent. However, when I try to enter a variable for the frequency in the definition of material I receive the following errors:

  Global definitions
  21:50:04 frq - error of the equation: Variable not found '_FREQ '.
  Structure of EM 1
  21:50:04 STACKUP. SUB: Error evaluating the 'React' parameter (error of the equation: Variable "frq" is not valid). (Click Help.)

  In the global definitions and schemas, I tried setting a suggested for such frequency variable in the examples by assigning frq<_FREQ. i="" also="" created="" an="" equation="" to="" use="" for="" the="" reactance,="" ex. ="" x(f)="(2*_PI*f)." i="" then="" entered="" x(frq)="" for="" the="" reactance="" in="" the="" impedance="" defintion="" of="" the="" material="" defs="" tab="" of="" the="" enclosure="" properties.="" these="" simulations="" were="" attempted="" using="">

  Any help would be greatly appreciated.

  There are a few possibilities to condition some materials for AXIEM frequencies.

  Please see the attached project.   Output equations write a few equations and are drawn to help define the equations.  the STACKUP does NOT use these it is just for debugging purposes.

  For some settings, you can enter a frequency dependence, this example is it for Er and TanD.

  I don't know exactly which parameter you want to make dependent on frequency, I'm sure that you can set the type for the ResSQ and react.

  This should get you.

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  If the backup via iTunes, make sure to select the option to encrypt iPhone backup (unencrypted backup excludes the sensitive data, including health and activity). iCloud backups are encrypted as standard.

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  Anyway around this?  Thank you...

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  Thanks for asking for scanning helps here in the Apple Support communities. I understand how it is important to have access to your scanner and am happy to offer help for this.

  As a precaution, we always recommend that you have backups to make sure that all your data is safe. You can perform a backup using Time Machine and an external hard drive. Use this article to help make a backup of your Mac: use Time Machine to back up or restore your Mac.

  Then, in accordance with article help: printer and scanner for Sierra, El Capitan, Yosemite, and the Mavericks macOS software, the HP Envy 4500 e-all-in-one is supported for printing and scanning. The drivers must be installed, but if not, if it please go to the App Store and check the updates tab to see if there are updates for HP. If there is, please install.

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  Steve MacGuire alias turingtest2 - iTunes and iPod tips and tricks - grouping beaches in Albums - http://www.samsoft.org.uk/iTunes/grouping.asp (old post on Apple Discussions http://discussions.apple.com/message/9910895#9910895)

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  Another explanation of hhgttg27 August 2015 - https://discussions.apple.com/message/27784417#27784417

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• My iPhone 6 installed 10.0.2 stops when it gets to 40% of autonomy.  In addition, it seems to pass power WAY to fast with the new software.  Does anyone else have this problem?

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  Thank you for using communities of Apple Support.

  I got your message which, since updating your iPhone 6 to iOS 10.0.2 your iPhone stops when it is 40% and the power to empty very quickly. I understand your concern with the iPhone turn off and drains the battery. I recommend you to review the use of the battery to see what app contributes more to the battery drain. The following article will provide you with steps on how to check the use of the battery:

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• I have an ipod touch 128 GB... but I'm almost to reach its maximum.  I want to do is buy a new ipod touch 128 GB and add new music without synchronizing the entire library to it... I have 2 ipods in conjunction with other copies

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  I want to do is buy a new ipod touch 128 GB and add new music without synchronizing the entire library to it... I have 2 ipods in conjunction with the other copies of the other.

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  When you get the new iPod, you can use iTunes on your computer to select and synchronize the music you want on it, in the same way that you synchronize your current iPod - your iTunes will recognize them as different devices and will remember your choice of synchronization for each, it will not (unless, for example, you restore the backup of your current on her iPod) put the same content on both.

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  Hello

  Go downstairs homepage itunes itunes page by Email support

  See you soon

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