Closed JessieAMorris closed 5 years ago
Trying to tune my USB3 device to 950MHz fails.
From SoapySDR:
22:22:48.266405 INFO: [LMSF] USB3_4/2/3: FE_FREQ rx=1 type=0 freq=950000000.000000 ch=3 22:22:48.267300 INFO: [LSM7] USB3_4/2/3: SXR: initial VCO=1900000000 DIVH=1 VCOs:0001 22:22:48.267316 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.269502 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.270949 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.273121 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.274426 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.276661 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.278062 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.280247 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.281547 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.283744 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.285050 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.287241 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.288549 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.290745 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.292191 INFO: [LSM7] USB3_4/2/3: SXX: VCO3 N=36 frac=564617 22:22:48.294367 INFO: [LSM7] USB3_4/2/3: SXX: binary result: 1 22:22:48.295836 INFO: [LSM7] USB3_4/2/3: SXR: Unable to tune to VCO=1900000000 terminate called after throwing an instance of 'std::runtime_error' what(): SoapyXTRX::setFrequency(RF) unable to tune! Aborted (core dumped)
Using test_xtrx gives the following:
test_xtrx
jessie@jessie-ThinkPad-T530:~/xtrx/libxtrx/build$ ./test_xtrx -t -f 950e6 22:25:59.470635 WARN: [PCIE] XTRX PCIe driver isn't loaded 22:25:59.634796 WARN: [3380] IO thread: Unable to set realtime priority: error 1 CPU Features: SSE2+ SSE4.1+ AVX+ FMA- Master: 32.000 MHz; RX rate: 4.000 MHz; TX rate: 0.000 MHz Failed xtrx_tune: -2
Is there something else I need to do in order to tune to 950MHz? Or is this a hardware limitation of the Fractional VCO?
This was just a software bug. Update all libs to the latest revision.
Trying to tune my USB3 device to 950MHz fails.
From SoapySDR:
Using
test_xtrx
gives the following:Is there something else I need to do in order to tune to 950MHz? Or is this a hardware limitation of the Fractional VCO?