I am unable to see my GPIB devices in labview. They are mainly made to use NI hardware. Check this document out, it might help: Message 10 of I redrew the program to test it in another VI, and it worked. For optimal accuracy, the selected feedline should first be characterized over the frequency range of interest, using a well-known load at its far end — for example, terminating a ohm line with a precision ohm resistor. Each circuit model includes a number of elements, namely:
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Software for controlling Agilent instruments from a PC. I have a Ines ieee gpib card. To produce the data shown the example screenshot shown below, I connected a capacitor and inductor of unknown value, in parallel, at the far end of an unknown length of RG cable.
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How can I make NI LabVIEW communicate with Keysight 82357B USB/GPIB Interface?
If that doesn’t help you may try adding a VISA alias manually. As the values of each parameter are changed, the corresponding impedance data is plotted against the measurement data.
You will get full value out of your Agilent equipment throughout its lifetime. Press search and HPA driver will be available.
See Figure 4 and Figure 5. The default address is 17; see manual section Download this example sheet. The data fit tool is useful for making sense of frequency sweep measurements. Users will benefit from reading the HP A product manual prior to using the instrument. Got the NI one. LabVIEW is a graphical programming environment by National Instruments TM used by millions of engineers and scientists to develop sophisticated measurement, test, and control systems using intuitive graphical icons and wires that resemble a flowchart.
Message 3 of 5. If certain values need to be fixed, it may be necessary to manually reset these parameters if changed after optimization, then manually tune the agjlent free parameters until reasonable fit is restored. Note that removing the specimen bias might take some time. Agilent offers a 823357b range of additional expert test and measurement services for your equipment, including initial start-up assistance, onsite education and training, as well as design, system integration, and project management.
HP-IB state of is switched automaticaly to remote talk. Each of them allows you to programmatically control instruments, send commands to them, and receive responses and data.
Next to each is a fit criteria “optimize type” drop-down menu.
Using GPIB/USB to connect my laptop to an Agilent Power Meter. VISA address not found. : LabVIEW
Selecting Log sweep will use logarithmically spaced frequency values for the sweep, and will change the display graph’s X-axis to logarithmic mapping. But labbiew afternoon on your therapist’s couch might help you recover this long-repressed memory: But the way, I also have a old computer with laabview 5. The data fit utility cannot be used on bias-sweep data. The LabVIEW platform is scalable across multiple targets and OSs, and, since its introduction init has become an industry leader.
Enabling side-by-side mode in Typical setup b Alternatively, you can choose Custom setup for the installation, then select side-by-side mode. Software Problems, Hints and Reviews:: Prior sweep data can be loaded or pasted to enable graphing or analysis of the measurements.
I recommend 50 mV or less. Depending on the model chosen, it makes sense to tune certain parameters 8257b. Only linear circuit models are supported. Also, we need only a single parameter f T to model this behavior with our circuit calculator, which can be determined empirically or by calculation based on known properties of the line.
Start or Start Continuously to sweep the frequency.