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Sunday, 25 February 2018

VMA Simple Spectrum Analyser for Rohde & Schwarz CRTU (works with CMU200, as well)

Hi,

This picture says it all:


I just ported my "VMA Simple Spectrum Analyser" software for the Rohde & Schwarz CRTU!

It should work fine on the Rohde & Schwarz CMU200, as well, since it is the same base device.

Everything is working fine at this point, however, you need the following pre-requisites to get the software working:

  • You need a CRTU or CMU200 (of course)...
  • You need to have OPSW v5.x installed and activated
  • You need to install Keysight Instrument Control
  • You need to setup a GPIB to USB interface for fast spectrum refresh rate
  • Alternatively, you can use a RS232 connection setup at 115200 baud

Notes:
  • This is still an early beta version. There are bugs and the software may not work for you.
  • A license is required. Run the program and follow the license assistant to generate a System Code. Send it to me (vma AT norcam DOT pt), you will receive a temporary Activation Code.

The following has NOT been tested:
  • Connection through GPIB-USB interface: I am waiting to receive mine...
  • CMU200: I only own two CRTU
  • Connection of a GPS receiver: should work, but obviously may not use the same COM port as the CRTU/CMU200
Please note the following:
  • If you set RBW too low, making a sweep take longer than the RS232 timeout, an error will happen. You may need to exit the software and open it again.
  • When the software crashes, it can happen, that the CRTU gets stuck on REMOTE mode. Restart the software, click on START and then on STOP to free the CRTU.
Regards,
Vitor

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