 Hello everyone, my name is Sergio Rossi, RF Application Engineer at ST Microelectronics. Welcome to our video tutorial on ST Microelectronic Blue Energy 2 device. Blue Energy is the family name of ST Microelectronic Bluetooth Low Energy Radio Transceivers. The Blue Energy 2 is the latest product in the family. It's a very low-powered Bluetooth Low Energy, also known as BLE, single-mode system-on-chip compliant with Bluetooth Core. This video has been designed to provide guidance on how to use the Blue Energy GUI to perform some RF tests. For example, to send or stop a tone for transmitter spectrum analysis and to perform BLE packet error rate PER test using BLE Direct Test Mode DTM commands. For additional information on the Blue Energy GUI, our user manual 2058 is available online. As prerequisite, the user must download and install our STSW BNR GUI software available on the below address. More easily, searching for STSW BNR GUI in the search engine, you will be redirected on the main page. On the bottom part of the main page, the latest version is available to download. Download the STSW BNR GUI clicking by the Get software button. Unzip the package and launch the Blue Energy GUI setup.exe file. Wait until the installation hand. Connect the STEVAL board IDB-008-P2 to your laptop using the micro USB cable inside the EVAL kit. Open the Blue Energy GUI under C program file x86 ST Micro Tronix Blue Energy GUI 2.6.0 application Blue Energy GUI. You will see a graphical user interface like the one reported. Click first on the port menu, choose the proposed COM ABC STDK and click on the open button. ABC are numbers that can vary from laptop to laptop. If the COM is not available, wait until the installation driver procedure will land and repeat this procedure again. Click on RF test tab on the right. This GUI section is basically divided into main portion, transmitter and receiver. On the bottom part, the GUI shows sent received packet details information. On the top right corner, hardware and firmware devices information are shown. Let's see on the transmitter side which options are always starting from the top. Output power selection, check that high power tick is enabled as per default indication. Channel frequency selection, payload data length and payload data type selectors. Start transmitter button to start the transmission with DTM packet. Start on button to transmit a single carrier wave and the number of transmitted packet indication. Let's see on the receiver side which options are always starting from the top. Channel frequency selection, start receiver button to start the reception of the packets. On the left the number of received packet indication. For the packet error rate calculation, the user have to insert the number of transmitted packet, same as transmitter side and the number of the received packet, same as a show on the receiver side. The GUI will calculate the pair in percentage. Now let's start a practical example with a single tone generation. To start a tone on BLE RF channel, connect our ST EVAL board, blue energy 2, EDB 0082 to the USB port of the PC. Then connect the board to the spectrum analyzer using an RF cable like this. And open our GUI, click on port, select the COM STDK port 9 in this case and click on open button. Go to RF test window and in the transmitter section set the BLE channel by TICS frequency combo box, for example zero in this case, set the TICS power that you want in the related combo box, for example maximum power and click on the start tone button. You can check for example if the center frequency is correct of the tone and also the power level. For example we are reading about 70 B.M. but we have to take into account the RF cable loss. Another simple example could be to verify the harmonics. So we can select for example the start frequency of 2 GHz and as top frequency we can put 10 GHz. And now we can see the old spectrum of the signal and we can verify the level of their second and third harmonics and following harmonics if these levels are in line with the expectation. To stop the tone, again go to RF test window and in the transmitter section click on stop button. Stop button is available only when a tone is started. Now let's have a look to another example, the PER test packet error rate test procedure. Start PER test. So first connect to Blue Energy 2 platform, EDB 0082, two PC USB ports. Open two instance of the Blue Energy movie on both devices. RX on right, TICS on the left. In each instance of the GUI open the COM port to the PERX device. COM 5 for the TICS, COM 4 in this example for RX node. Ensure the antennas are plugged into device properly. In the GUI related to RX device go to RF test window, receiver section, set the RX frequency. We are testing the channel 1 in this example. Click on start receiver button to start receiver test. In the GUI related to the TICS device go to the RF test window, transmitter section, set the TICS power, minus 2 dBm in this example, set the TICS frequency, same channel frequency of the receiver, so channel 1, set length of data, 37 bytes in this case, set the packet payload form PRBS9 and click on start transmitter button to start the transmitter test. At this point the communication between the two nodes is started. Just wait a few seconds then stop the PR test. In the GUI related to the TICS device, transmitter section click on stop transmitter button. The number of transmitted packets are displayed on the packet transmitter field. In the GUI related to RX node, receiver section click on stop receiver button. The number of packets are displayed on the packet receiver field. In order to get the packet array value, in the GUI related to RX device, receiver section, in the PR section insert the number of transmitted packets from TICS device in the packet transmitted field. Read this value from the transmitter section in the GUI related to the TICS device. At this point the packet array value is showed in the packet array field, 0.03% in this case. This will end our second test. So this ends this video on the Blue Energy GUI RF test feature. For more information please visit our website at www.st.com. I hope you enjoyed the video and thank you for watching. Bye!