LimeSDR-Core SDR: Difference between revisions
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[[File:LimeSDR-CORE_SDR_1v1_schematic_r0.PDF|Schematic (PDF)]] | |||
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Revision as of 11:22, 4 September 2019
LimeSDR-Core SDR Board
Software defined radio (SDR) and flexible 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.
Features and Specifications
| Feature | Description |
|---|---|
| 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 | two SMA female jack |
| Power Output2 | up to 23 dBm ??? |
| Noise figure3 | 0.6 dB |
| LTE band support4 | 2 FDD and 1 TDD |
| MIMO | 2 x 2 |
| Dimensions | without connectors 125mm x 65mm |
1 SDR programmable frequency range 2 LTE modulated output 3 input stage only, optimized for 2.6 GHz 4 two FDD and one TDD band support with a single front end board. Band selection done via software. A wide front-end board configuration list.
- 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.
Getting Help
If you have questions, the MyriadRF Discourse is a best place to ask for help.
Documentation
- LMS7002M (Mask 1) Transceiver Calibration - LMS7002Mr3 calibration guide, using internal MCU
- LimeSDR Made Simple - Demystifying using SDR in the real world and programming a simple example with confidence, through bite sized chunks (note that not all examples will work with the Mini, e.g. those using the waveform player)
- LMS7002M Datasheet (PDF) - LMS7002M RF transceiver datasheet
- LMS7002M Programming and Calibration Guide (PDF) - LMS7002M programming and calibration guide
Board Design Files
Here are links to the schematic, PCB project and BOM:
LimeSDR-Core SDR v1.1
File:LimeSDR-CORE SDR 1v1 schematic r0.PDF
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