1 LimeSDR-Core SDR Board
Software defined radio (SDR) and flexible RF front end– LimeNET CrowdCell builds upon the ground-breaking LimeSDR software-defined radio technology to deliver an app-enabled path covering any standard from IoT to 5G. Use of Limes SDR platform provides the most flexible radio hardware solution that enables LimeNET CrowdCell to be setup in numerous varieties of small-cell configurations. Thus, it is an on-demand network solution, where services could easily shift to data, voice, IoT or any other Telco centric services. LimeNET CrowdCell comes pre-equipped with a flexible front-end module that provides signal duplexing, filtering and amplification.
This wiki page considers LimeSDR-Core SDR board, while RF front end will be described separately.
2 Features and Specifications
|RF Transceiver||Lime Microsystems LMS7002M MIMO FPRF|
|FPGA||Intel (Altera) Cyclone IV (EP4CE40F23C8N)|
|Memory||256 MBytes DDR2 SDRAM|
|USB 3.0 controller||Cypress FX3 (CYUSB3014)|
|RF frequency range1||10 MHz – 3.8 GHz|
|Bandwidth||up to 61.44 MHz|
|RF connectors||Four MCX connectors (2 TX and 2 RX)|
|Power Output1||up to 0 dBm|
|LTE band support||All bands up to 3.8 GHz|
|MIMO||2 x 2|
|Dimensions||without connectors 125mm x 65mm|
1 LTE modulated output
* Customers are reminded that any equipment that transmits wireless signals needs to comply with the relevant regulations for that region. This may require that the final equipment is submitted for testing and verification.
3 Getting Help
If you have questions, the MyriadRF Discourse is a best place to ask for help.
- LMS7002M (Mask 1) Transceiver Calibration - LMS7002Mr3 calibration guide, using internal MCU
- LMS7002M Datasheet (PDF) - LMS7002M RF transceiver datasheet
- LMS7002M Programming and Calibration Guide (PDF) - LMS7002M programming and calibration guide
5 Board Design Files
Here are links to the schematic, PCB project and BOM:
LimeSDR-Core SDR v1.1 Schematic (PDF)