Hi,
I’ve experimented with an RTL-SDR previously, but have no other experience in radio. After lots of troubleshooting and reading posts from other users with similar issues, I managed to install LimeSuite
from source and pass the LimeQuickTest on Linux Mint 21.
[ TESTING STARTED ]
->Start time: Sun Mar 19 17:48:40 2023
->LimeSuite version: 22.09.1-g38efe960
->Device: LimeSDR Mini, media=USB 3.0, module=FT601, addr=24607:1027, serial=1D90EC500A819C, HW=5, GW=2.1
Serial Number: 1D90EC500A819C
Chip temperature: 45 C
[ Clock Network Test ]
->REF clock test
Test results: 28457; 31239; 33974 - PASSED
->VCTCXO test
Results : 6710995 (min); 6711029 (max) - PASSED
->Clock Network Test PASSED
[ FPGA EEPROM Test ]
->Read EEPROM
FPGA EEPROM not supported in v2
->FPGA EEPROM Test PASSED
[ LMS7002M Test ]
->Perform Registers Test
->External Reset line test
Reg 0x20: Write value 0xFFFD, Read value 0xFFFD
Reg 0x20: value after reset 0x0FFFF
->LMS7002M Test PASSED
[ RF Loopback Test ]
->Configure LMS
->Run Tests (TX_2 -> LNA_W):
CH0 (SXR=1000.0MHz, SXT=1005.0MHz): Result:(-28.5 dBFS, 5.00 MHz) - PASSED
->Run Tests (TX_1 -> LNA_H):
CH0 (SXR=2100.0MHz, SXT=2105.0MHz): Result:(-22.6 dBFS, 5.00 MHz) - PASSED
->RF Loopback Test PASSED
=> Board tests PASSED <=
Elapsed time: 1.51 seconds
Now i’m not sure what to do. I don’t have a clue how to use LimeSuiteGUI. I don’t know what most of the buttons mean, although I found out SXR is for receive so I tried to receive a local FM station and view the FFTviewer. I would greatly appreciate any links describing how to use the software, although I read in a post that it is highly technical and generally recommended to use another sdr software. This is what it looks like. I think it’s just noise and not working, but maybe i’m missing something.
I installed GQRX and SoapySDR, but couldn’t get it to work either. Here are my I/O device settings and the “Invalid Rx path” error I get when clicking the play button in gqrx. I read that soapy=0 should be used, but the parameters autoloaded as soon as I clicked the recognized LimeSDR device in GQRX. I also tried soapy=0, but still go the same error.
[INFO] [UHD] linux; GNU C++ version 11.2.0; Boost_107400; UHD_4.1.0.5-3
libusb: warning [libusb_exit] device 4.1 still referenced
libusb: warning [libusb_exit] device 3.4 still referenced
libusb: warning [libusb_exit] device 3.3 still referenced
libusb: warning [libusb_exit] device 3.2 still referenced
libusb: warning [libusb_exit] device 3.1 still referenced
libusb: warning [libusb_exit] device 2.2 still referenced
libusb: warning [libusb_exit] device 2.3 still referenced
libusb: warning [libusb_exit] device 2.1 still referenced
libusb: warning [libusb_exit] device 1.6 still referenced
libusb: warning [libusb_exit] device 1.4 still referenced
libusb: warning [libusb_exit] device 1.3 still referenced
libusb: warning [libusb_exit] device 1.5 still referenced
libusb: warning [libusb_exit] device 1.2 still referenced
libusb: warning [libusb_exit] device 1.1 still referenced
gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.10.1.1
built-in source types: file fcd rtl rtl_tcp uhd hackrf bladerf rfspace airspy airspyhf soapy redpitaya freesrp
[INFO] Make connection: 'LimeSDR Mini [USB 3.0] 1D90EC500A819C'
[INFO] Reference clock 40.00 MHz
[INFO] Device name: LimeSDR-Mini_v2
[INFO] Reference: 40 MHz
[INFO] LMS7002M register cache: Disabled
[INFO] RX LPF configured
[INFO] RX LPF configured
[INFO] RX LPF configured
[ERROR] Rx calibration: MCU error 6 (Invalid Rx path)
Any help would be greatly appreciated.