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Difference between revisions of "Getting Started with LimeSDR-USB and LimeSuiteGUI"

(Changing Receiver Gain)
(Changing Receiver Gain)
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# Set PGA gain to -1 dB
 
# Set PGA gain to -1 dB
 
# Configure filter bandwidth. Type desired bandwidth and click Tune
 
# Configure filter bandwidth. Type desired bandwidth and click Tune
 +
  
 
See Figure 10 below to check related controls in the LimeSuiteGUI.
 
See Figure 10 below to check related controls in the LimeSuiteGUI.

Revision as of 15:16, 28 August 2017

1 Launching LimeSuiteGUI and connecting to the board

First of all, connect LimeSDR-USB board to PC USB3.0 socket. Please go Driver Installation Documentation to see how to install OS drivers so your PC can see LimeSDR-USB board. In the provided USB Flash there is a folder GUI in which you will find LimeSuiteGUI.exe file (or just download the software from here). Open it.

Figure 1. Opening LimeSuiteGUI.exe file


To launch LimeSuiteGUI application go to menu and select: Options -> Connection Settings as shown in Figure 2.

Figure 2. Opening connection settings


Select LimeSDR-USB board as shown in Figure 3 and press Connect.

Figure 3. LimeSuiteGUI select ports


2 Loading and saving register settings

In order to load settings, click button Open as shown in Figure 4.

Figure 4. Opening LimeSuiteGUI settings file


Select .ini setting file and click Open as shown in Figure 5.

Figure 5. Selecting LimeSuiteGUI settings file


Then click GUI --> Chip button as shown in Figure 6.

Figure 6. Sending LMS7002M settings from GUI to LimeSDR board


If you want load all LMS7002M settings from LimeSDR-USB to GUI, then click button Chip-->GUI as shown in Figure 7.

Figure 7. Sending LMS7002M settings from LimeSDR-USB to GUI


3 Quick Test

If there is a need to check if the board is fully working you can run very simple and quick board test. All instruction on how to do it you can find it in LimeSDR-USB Quick Test. One you see the graph as it show in Figure 8 of W-CDMA signal on FFT Viewer, you know that the board is working.

Figure 8. Performing Quick Test


4 Changing TX / RX Frequency

After power up in order to configure LMS7002M Tx or Rx LO to 2140 MHz, do the following:

  1. Select the SXR tab for Receiver or SXT tab for Transmitter
  2. Enable SXR/SXT module
  3. Type the wanted frequency in Frequency, GHz box. In this case, 800 MHz
  4. Press Calculate followed by Tune


See Figure 9 to check related controls in the LimeSuiteGUI.

Figure 9. SXR / SXT register setup procedure


5 Changing Receiver Gain

Select the RBB tab to configure the PGA gain and baseband filter bandwidths. Follow the configuration steps below:

  1. Select the A CHANNEL to control channel A
  2. Select PGA output to output pads. This selection enables receiver analog outputs
  3. Set PGA gain to -1 dB
  4. Configure filter bandwidth. Type desired bandwidth and click Tune


See Figure 10 below to check related controls in the LimeSuiteGUI.

Figure 10. RBB register setup procedure