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laforge, 06/13/2017 06:04 PM
- Table of contents
- LimeSDR
LimeSDR¶
The LimeSDR is a low-cost SDR board featuring the Lime Microsystems LMS7002 RF chip.
RF Output Power¶
TBD
Clock¶
The on-board clock is a 250ppb VCTCXO. GSM strictly requires 30ppb, but 250ppb should be sufficient for laboratory use.
Clock Calibration¶
TBD
Using external clock reference¶
TBD
OsmoTRX on LimeSDR¶
In terms of OsmoTRX support, you will a relatively complex driver stack consisting of:- LimeSuite containing the actual drivers and utilities for LimeSDR
- SoapySDR as middleware that wraps LimeSuite
- SoapyUHD as plug-in exposing SoapySDR devices to UHD
- UHD as the driver interface below OsmoTRX
- SoapyUHD depends on SoapySDR
- LimeSuite depends on SoapySDR.
Verifying the driver stack¶
You can ensure that LimeSuite recognizes your device using the LimeUtil part of LimeSuite:
$ LimeUtil --find 109/0/0 * [LimeSDR-USB, media=USB 3.0, module=STREAM, addr=1d50:6108, serial=0009060B00xxyyzz]
You can ensure that SoapySDR and LimeSuite work together as expected using the SoapySDRUtil part of SoapySDR:
$ ./SoapySDRUtil --find 101/0/0 ###################################################### ## Soapy SDR -- the SDR abstraction library ###################################################### linux; GNU C++ version 6.3.0 20170221; Boost_106200; UHD_003.009.005-0-unknown Found device 0 addr = 1d50:6108 driver = lime label = LimeSDR-USB [USB 3.0] 9060B00462B1C media = USB 3.0 module = STREAM name = LimeSDR-USB serial = 0009060B00xxyyzz
Updated by laforge almost 7 years ago · 3 revisions