[Hackrf-dev] Can hackrf support 23.04M sampling rate?

[Jiao Xianjun]

I change to another usb port, the rate is increased to 38.3MiB/second.
Seems that it is impossible for my computer (thinkpad T410) to support rate
larger than 19.15Msps?


On Sun, May 4, 2014 at 9:07 PM, Jiao Xianjun <putaoshu at gmail.com> wrote:


> Hi,

>

> I try to run hackrf at 23.04Msps, and get:

>

>

> ------------------------------------------------------------------------------------------------

> hackrf_transfer -f 2000000000 -r tmp.bin -n 100000000 -s 23040000

> call hackrf_sample_rate_set(23040000 Hz/23.040 MHz)

> call hackrf_baseband_filter_bandwidth_set(20000000 Hz/20.000 MHz)

> call hackrf_set_freq(2000000000 Hz/2000.000 MHz)

> samples_to_xfer 100000000/100Mio

> Stop with Ctrl-C

> 34.1 MiB / 1.000 sec = 34.1 MiB/second

> 34.3 MiB / 1.000 sec = 34.3 MiB/second

> 34.1 MiB / 1.000 sec = 34.1 MiB/second

> 34.3 MiB / 1.000 sec = 34.3 MiB/second

> 34.3 MiB / 1.000 sec = 34.3 MiB/second

> 28.8 MiB / 1.000 sec = 28.8 MiB/second

>

> User cancel, exiting...

> Total time: 6.00102 s

> hackrf_stop_rx() done

> hackrf_close() done

> hackrf_exit() done

> fclose(fd) done

> exit

>

> ------------------------------------------------------------------------------------------------

>

> Does that mean hackrf support 23.04Msps, but seems there is packet loss?

> (according to reported MiB/second)

>

> BR

>

> Jiao Xianjun

>

>

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