About rapoorv

rapoorv · 2024-06-07

Hello,Using custom firmware on an Inhouse designed board, the BLE output seems unmodulated as shown in the picture attached. But using the Transparent mode firmware on a Nucleo-Board (controlled via the Cube monitorRF) the modulation seems good (also...

rapoorv · 2024-06-14

HSE frequency stability at room temperature is tested for accuracy. Its a +10ppm part. Have tried to tune in the HSEGMC down and up. It only shifts the center frequency and does not helps with the Side lobes coming.

rapoorv · 2024-06-13

Checked the HSE stability and 3.3V line (near to RF as well at VDDmain). All good there.Checked it from an even better source with lesser ripples of 20mV on 3.3V line. The problem persists.Whats the 2nd statement about the signal generator?

rapoorv · 2024-06-13

Well if you see in that way, we are testing at the RF pin of the controller with no further connections. If at that point we observe the side lobes, impedance matching circuit is not gonna help neither a filter. Now if we use a Nucleo Dev board (MB13...

rapoorv · 2024-06-12

Hi,The porting of the code was tried but we cannot control it via the CUBEMonitorRF app. We used the same code and generated the TX signal manually at a fixed frequency of 2402MHz, but we could still see the sidelobes in the spectrum analyzer whereas...

rapoorv · 2024-04-30

Hey STTwo-32,I'm the hardware engineer who's looking over this design. Can you suggest something specific related to this, if you want I can share you a snap of the schematic. We have already followed the design rules given in the app note (the above...

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BLE transparent mode firmware for STM32WB55VGQ package.

Re: BLE transparent mode firmware for STM32WB55VGQ package.

Re: BLE transparent mode firmware for STM32WB55VGQ package.

Re: BLE transparent mode firmware for STM32WB55VGQ package.

Re: BLE transparent mode firmware for STM32WB55VGQ package.

Re: BLE Disconnection with error code 0x3E