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SX1211SK868/915 User Guide
5.4.7 Application Selection Window
The SX1211SK combined with the PC-GUI interface provides three different applications. To enable
them, the user needs to click on the corresponding button.
Default Ping Pong in FSK Mode
By clicking on this buttons the user will have access to a range test with pre-defined parameters.
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Frequency 1 = 908.000 MHz or 868.000 MHz
Frequency 2 = 909.000 MHz or 869.000 MHz
Frequency 3 = 910.000 MHz or 870.000 MHz
Data rate = 25 kbps
Frequency deviation = 50 kHz
Rx filter fc = 100kHz
Passive filter = 378kHz
Polyphase filter = Off
Interpolartor filter fc = 196kHz
Default Ping Pong in OOK Mode
By clicking on this buttons the user will have access to a range test with pre-defined parameters.
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Frequency 1 = 908.000 MHz or 868.000 MHz
Frequency 2 = 909.000 MHz or 869.000 MHz
Frequency 3 = 910.000 MHz or 870.000 MHz
Data rate = 2 kbps
Frequency deviation = 50 kHz
Rx filter fc = 100kHz
Passive filter = 378kHz
Interpolartor filter fc = 196kHz
User Ping Pong
This mode is used by the user to achieve a Ping Pong test with their own parameters in order to be
closer to the final application test. Before switching on this mode the user needs to define or modify
parameters, in this case the SX1211 Evaluation needs to be selected. At the end of the modification,
the user will enable the “ User Ping-Pong ” feature and disconnect the board from the RS232 cable. At
this time, the user will be able to achieve the field range test with their own parameters.
SX1211 Eval
This mode allows the user to evaluate the SX1211 performances but also to program other
parameters for the User Ping-Pong test. For more information about SX1211 registers, please refer to
the SEMTECH SX1211 Datasheet.
When the board is connected to the PC, the user can evaluate the performance of the SX1211
transceiver by connecting a spectrum analyzer or an FM generator.
Rev1.1
20 of 30
www.semtech.com
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