Afonso Teles

Hi Birjit,<br> <br> Fast Acquisition mode works quite differently from regular acquisition modes and is not meant to speed up the acquisition of single shot traces, it is meant for acquisition of several traces in a row, generating heatmaps.<br> Here is an explanation of how DPX/Fast acquisition works within our RSAs: https://www.tek.com/en/documents/primer/dpx-acquisition-technology-spectrum-analyzers-fundamentals<br> <br> So, it won't be possible to use Fast Acquisition to save single traces faster. If you wish to save a heatmap of several traces, then Fast Acquisition might be of use to you.

Hi Jonathan,<br> <br> Roll mode has yet to be implemented in the MSO2, it will be included in an upcoming release.

Hi,<br> <br> The 1740 and 1740A are waveform monitors, not oscilloscopes. They were especially made to work with NTSC signals, not general electrical signals like an oscilloscope and so have many functions and capabilities that aren't of much use outside of video signals.<br> <br> As far as I know, the A version was a complete redesign and so compatible parts might be limited.<br> <br> The unofficial TekWiki page on them includes more information on them, including manuals: https://w140.com/tekwiki/wiki/1740

Hi David,

It appears you are trying to communicate with your RSA306B from Visual Basic. Have you considered using the SCPI interface that is made usable by SignalVu-PC instead of the RSA API which is much harder to use and unsupported?

Hi Yuli,

I believe that is the correct part number for that serial number, yes. It should still be in stock.

The CD contains a full OS restore, it should include all all the appropriate drivers for the instrument, yes.

Hi Yuli,

I believe we still have some of those OS restore disks for sale (while stock lasts). Here are the part numbers according to the serial number range:
B010XXXX: 063-3693-01
B020XXXX: 063-3759-02
B030XXXX: 020-2880-01
B050XXXX and up: 020-2970-02

To order a part call 1-800-833-9200 opt 1.
Or send an email to buy@tektronix.com

Hi,

I apologize but my initial comment was incorrect, we do provide S parameter files for several P7500 probe tips besides the performance solder tips.
These should be available in SDLA by clicking "De-embed", select "High Z" probe type, select the "Probe" block, click the drop down menu and select your probe model and then you can select the appropriate file according to your probe configuration and tip.

As I said, SDLA should include those files, if it does not, then please email me at afonso.teles@tektronix.com and I will get you the files you need.

The THD measurement in baseband mode does work in the whole frequency range, although it's of really no use past 20 Mhz signals as any harmonic would be out of the captured bandwidth.
Additionally, the low-pass and high-pass filters available for measurement configuration are intended for audio frequencies up to 80 kHz and down to 50 Hz.

So yes, the option 10 audio measurements are usable in baseband mode beyond the audio range, but their usefulness may be limited by the acquisition system.

Hi,

S parameter files are only provided for the performance solder tips, not for the long reach type.

Hi David,

I was able to replicate this issue in the latest FW version (1.44) and I've contacted our software team to inform them about it. Thank you for reporting this to us!

I have found that the curve query timesout if data:source was previously set to a channel with a different data encoding.
So, as a temporary workaround, you will have to keep track of where your reference waveforms came from and, before calling "curve?" or "data:enc?", set "data:source" to the appropriate type of channel, followed by setting it to your desired reference waveform.