Programmable gain 7833R

Similar Questions

• (Amplifier) signal for system cDAQ conditioner!

  The system I want to build will be used to monitor the excitation of a motor/generator system. I have a couple of signal which are bellows 100 mV, for the example current measured with a shunt resistance to 40 / 60 mV.The problem is that I have what it takes to amplify the signal for more precision. Can someone provide me with a packaging option (low cost) material. I have at my disposal two NI 9201 and a NI 9205 card.

  Thank you have a nice day!

  Hello Padeanu,

  Please post on the Forums of Discussion! The 9205 already has a PGIA (Programmable Gain Instrument Amplifier) that amplifies the signal of your then you lose accuracy. According to the specs, you will get 174 uV of precision using the voltage range 200 mV and a width of 6.57 uV code / LSB. Your current configuration is too vague for you? Excitement for your engine system will be always lower than 100 mV, even when the motor is started?

• Voltage change of reference (PGA) of NI USB 6008 in Matl

  Hello

  I'm looking for the solution change the voltage reference usb6008 nor in MATLAB.

  Referring to the manual, the reference voltage can be changed by setting the PGA (programmable gain amplifier). There is a brief description in the manual, which can't help me ("The PGA gainis automatically calculated according to the voltage selected in the application range of the measure.)

  Does anyone know how can I change the PGA in MATLAB?

  Input voltage range is set to [10-10] and I want to change it to [1-1] to get a better resolution for small voltage. The InputType is differential

  Hi Kia

  You can change the reference voltage by adding following function in your C code:

  Int32 DAQmxCreateAIVoltageChan (TaskHandle taskHandle, const char physicalChannel [], const char nameToAssignToChannel [], int32 terminalConfig, float64 minVal, maxVal, int32 units, const char customScaleName [] float64);

  With the minVal and maxVal settings, you can manually set your tension.

  Of course, I am available for more reminders.

  Best regards

  Stefan

• NOR 9201Low-voltage accuracy

  Is it possible to apply 12 bits of the 9201 of precision on a smaller than the default range +/-10V? I need to be able to enjoy a signal of 0 to 100mV, but there's a larger resolution 12 bits ADC provides when it is measured on the full range of 20V.

  Hi MyOwnSling,

  Unfortunately the 9201 does not seem to have a Programmable Gain amplifier on board because it is an ADC. This means that you would not be able to apply the gain for small signals on board the 9201 for CDA achieve different voltage ranges. The range of minimum voltage for the device will be identical to the maximum voltage range, +/-10 V.

  Kind regards

  Jason L. L

• Clarification and Confirmation on the practical Implications of common Mode on differential measures voltage

  Hello people,

  I've read several documents on the site OR about the premium over common measures of mode and I think I understand, but I'm looking for confirmation through two examples (please).

  Both examples assume a data acquisition card OR with +/-10V inputs and a maximum operating voltage of + / 11V (e.g. PCI-6052 with programmable gain 0.5).

  Example 1: Suppose a DC voltage with two resistors divider and a differential input on the daq card configuration.  First resistance = 4 Ohms connected to 100VDC, second resistance = 96 - grounded (0) Ohms.  This results in a decline of 4VDC to the terminals of the first resistance.  However, I believe that the differential voltage of 4VDC may be connected directly to the daq card because the absolute voltage (i.e. common mode?) is in fact 96VDC to 100VDC which is outside the "working range' of + / 11V for the card.  This conclusion is correct?

  Example 2: Suppose a differential measure between two AC signals and a differential input on the daq card configuration.  First report = 25v@0deg, second signal = 10v@180deg.  Some documents on the Web site of NOR, I gathered that the common mode voltage is the average of the vector representation of the input signals.  In this case, it would be (25v@0deg + 10v@180deg) / 2 = 7.5v@0deg.  I think that this signal can be directly connected to the daq card because one of the signals (25v@0deg) is outside the range of the card work (even if the result "means vectors" is within the scope of the map daq.  This conclusion is correct?

  Thanks in advance for any help,

  chassan

  Chassan,

  You're right both of your examples. Is the best way to look at that is that even if you take a measure differential the maximum voltage you can submit a single channel to the + / 11V to the 6052E. Hope this clears things up a little bit.

• definition of level of black on 1405

  HI -.

  I am trying to increase my resolution of signal by adjusting the black level and white level to acquire an analog video image on a card PCI-1405.  I can set the white level, but any level other than 0 black gives an error.  It was my understanding of the marketing material of OR that the map of 1405 was programmable gain and offset, so shouldn't a power adjust two settings?

  Any advice would be appreciated.

  Best,

  Steve

  Hey Steve,

  You cannot change the black level, it is a hardware limitation of the 1405.

  Please take a look at this KB: http://digital.ni.com/public.nsf/allkb/5580B1E1906F18C486257287001E7B18?OpenDocument

  Christian

• is daq bit resolution applied to the area defined in the daq assistant or well to the limits of physical blood of the daq hardware.

  Hello, this is my first post here,

  I've been wondering about this:

  When you configure a new daq with the daq Assistant, is the resolution applied to the voltage / number of entries you define, or is it a fixed value per volt by channel.

  For example:

  I have a 6015 usb data acquisition, it has 16 inputs analog, 16-bit resolution 250 kech. / s 09:50 volts.

  so is this as (2 ^ 16) / (16 * (-10-10)) = my resolution through volt?

  or that this has nothing to do with the amount of channels,

  If I want to measure more than 0 to 5 volts, my 16-bit apply from 0 to 5, or even more scale of data acquisition (which is 09:50 volts)

  Thank you

  Marco

  You will get full-resolution 16 bits on each channel regardless of the number of channels is configured.  Renault most are multi-plexed if your specification of sampling RATE in usually a global significance that you can only scan channels with a sampling frequency = MAX RATE / number of CHANNELS.  Also, most NI Renault have a Programmable Gain amplifier on the front-end server, so if you specify a range of voltage smaller in your task configuration the amplifier will automatically increase the gain to use most of the possible BIT ADC.  You see care device and for more details...

• PGIA

  Hello

  I acquire a signal using USB-6281, which comes with a programmable gain. I wanted to know how to change the gain. I looked in the DAQmx help channel that I can put AI Max and Min. Is the gain set when I change these values?

  Thank you

  Navi

  Yes, he does. Set the min and max and daqmx will select the range for you. You can use a property node to read the range that has been selected.

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• The lock on a Macbook pro microphone gain?

  Hey all, I have a question that makes me mad and after a few long google search, I am still unable to find a solution. I use a mic boom (Yeti) and I need to put my low gain otherwise picks it up too much in my background. I use Slack and Join.me for work and it seems that many of these programs will hijack my sound settings, increase in my gain. Unfortunately, there is nothing I can do to no longer soft or Join.me because they do not have a way to disable the auto gain control *. I wish there really was a way to lock the gain system-level. Does anyone know of a solution, before you buy a DAC? I would consider even a paid app.

  * Although, even on the applications I want to disable automatic gain, my gain still seems to decrease or increase alone.

  Thanks for your help!

  ---

  MacBook Pro (retina, 15 inch, mid-2015)

  V10.11.4 El Capitan

  Post edited by: pants!

  I wasn't familiar with your microphone. but the research it upward. It would seem that it has built in gain control as well as for directional and omnidirectional. It is in the Mac operating system, in your Utilities folder an application called Setup Audio and Midi. You might look into Garage Band and upward on the app store. It's only $4.99.

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