Forum Post: CC1101 Why PER performance more than 5%
Dear: We use cc1101 to do short distance transmission ,and we send a packet /secPER less than 1%. But if we send 6 packets/sec ,PER become 5%.What is wrong with it?PS:data rate 250k baud/sec,61 bytes...
View ArticleForum Post: RE: 2.4 GHz Inverted F Antenna
It is not a question of wether you need a 50 ohm impedance somewhere or not. If you have a trace, no matter where in the chain it is, and the length of that trace is more than a couple of millimeters...
View ArticleForum Post: RE: CC1101 ; Sync word not detected
Hello Martin,I confirm that asynchronous output data on GDO output , are also available in ''normal fifo mode'' , not only in asyncronous mode.( see PKT_FORMAT)I understand better my issue about...
View ArticleForum Post: Changing device address in smpl_config.dat requires a clean-...
Hello,For those having problems running the simple peer to peer simpliciti example (and probably all sorts of other problems), it's probably because the 2 peers have the same address. The documentation...
View ArticleForum Post: CC1120 RF Frequency drift
Hi,I am evaluating the CC1120DK now.After issuing the SCAL command, the frequency seems to do the drift by about 5ppm.（in 1 minute at room temperature)There are the contents of the 『1 VCO Calibration』...
View ArticleForum Post: RE: Optimizing CC1101 for Korean 920MHz band
4-FSK 115 kBaud is possible, but I do not know if this will meet the regulations as the deviation needs to be wide and this is in conflict with a 200 kHz channel bandwidth.Assuming the channel spacing...
View ArticleForum Post: Current consumption using SimpliciTI (Cascading_End_Devices) with...
I tried the SimpliciTI (Cascading_End_Devices) with CC2530 EM.When I measure the current in sleep mode, the current is about 8mA.How can I reduce the current in sleep mode?Please kindly advise. Thanks.
View ArticleForum Post: Notify any bytes by SimpleProfile Characteristic4
I check the operation in sample program "SimpleBLEPeripheral" of BLE Stack in CC2540 now.I am going to transmit data of 4byte from Peripheral to Central in Notify.I changed data definition of...
View ArticleForum Post: RE: Linking failed - PER TEST
HiHave you tried to use the Link Bypass function in Expert Mode? This will bypass the link up configuration of the test so the slave will start to send packets immediately. Do you get any packets...
View ArticleForum Post: Advertising And Connection Management
I have an application where I want the peripheral to be in general discoverable mode all the time that it's not in a connection. My application is based around the SimpleBLEPeripheral application....
View ArticleForum Post: RE: binding question
Do you bind end device with coordinator successfully before you modify anything on the source code? If yes, I will suggest you to have a check on you modification.
View ArticleForum Post: RE: Message Error - PER Test CC1120
HiSmartRF Studio does not use the MSP430 mcu on the trxEB. There is a CC2511 SoC placed on the trxEB that handles the firmware needed to run the trxEB with SmartRFStudio. The S1 switch on the board...
View ArticleForum Post: RE: CC2540 control bluetooth output signal
You can use HCI_EXT_DisconnectImmedCmd and then go directly to PM3. You need a button on the keyfob to reestablish the RF link (you can't wake it up through RF :-))
View ArticleForum Post: RE: Notify any bytes by SimpleProfile Characteristic4
Hi, Aslak.Thank you for your Answer.I try it.Thanks.
View ArticleForum Post: RE: Advertising And Connection Management
Thanks Aslak,I suspect that something else may be going on, but you've given me some good pointers. I need to investigate further.Dan
View ArticleForum Post: RE: WOR Issue on CC1101
Hi BrunoYou are correct. It is not necessary to strobe STX again. This is just a "copy-paste" error. You strobe STX once with an empty FIFO to make the radio transmit preamble, and then you write your...
View ArticleForum Post: RE: binding question
Hi YiKai,When zb_BindDevice() function executescompletely, the ZB_BIND_TIMER event will be triggered, and SAPI_BindConfirm( sapi_bindInProgress, ZB_TIMEOUT ) function will be called, right?But, the...
View ArticleForum Post: RE: CC1101 ; Sync word not detected
Hello Martin,See attached File. The GDO_2 pin is configured for FIFO filling and flushing detection. I hope it will be high for incoming data in te Fifo, and be low when µc has finished to read Fifo,...
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Forum Post: RE: SmartRF Studio Download Link down
I am connecting CC430 with SmartRF studio 7.1.10.3 using MSP-FET430UIF. The device is detected. But when I am opening the window, I am getting the following error message. What is the solution?
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