Just 1x, I believe.
On Fri, Jan 14, 2022 at 5:27 PM Paul Atreides <maud.dib1...@gmail.com>
wrote:
> doing it now. is the LO frequency the carrier freq or is it 1/2 or 2x?
>
> On Fri, Jan 14, 2022 at 5:03 PM Marcus D. Leech <patchvonbr...@gmail.com>
> wrote:
>
>> On 2022-01-14 17:00, Paul Atreides wrote:
>> > That's what I had originally.
>> > i've Changed back to this and still getting no LED on the TX LO OUT0:
>> > RF0
>> > LO Source internal
>> > LO export True
>> > RF1
>> > LO Source external
>> > LO export False
>> >
>> > the generated flowgraph code looks to be reflecting is:
>> > self.uhd_usrp_sink_0.set_clock_source('external', 0)
>> > self.uhd_usrp_sink_0.set_time_source('external', 0)
>> > self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
>> > self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec(0))
>> >
>> > self.uhd_usrp_sink_0.set_center_freq(freq, 0)
>> > self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
>> > self.uhd_usrp_sink_0.set_gain(gain_0, 0)
>> >
>> > self.uhd_usrp_sink_0.set_lo_source('internal', uhd.ALL_LOS, 0)
>> > self.uhd_usrp_sink_0.set_lo_export_enabled(True, uhd.ALL_LOS, 0)
>> > self.uhd_usrp_sink_0.set_center_freq(freq, 1)
>> > self.uhd_usrp_sink_0.set_antenna('TX/RX', 1)
>> > self.uhd_usrp_sink_0.set_gain(gain_1, 1)
>> >
>> > self.uhd_usrp_sink_0.set_lo_source('external', uhd.ALL_LOS, 1)
>> > self.uhd_usrp_sink_0.set_lo_export_enabled(False, uhd.ALL_LOS,
>> 1)
>> >
>>
>> I wonder if this is just a case of the LO export LED code isn't there in
>> that version of UHD?
>>
>> Can you confirm presence of the LO signal with a spectrum analyser or
>> similar?
>>
>>
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