On 2022-02-25 10:17, David Raeman wrote:
Hi all, I’d like to provide an external 10MHz sinusoidal clock to an
N320. The clock signal level is below the 10dBm max spec for this
radio, however it’s a bipolar sinewave (1.8Vpp, centered at 0V). I
think this is somewhat common for sinewave oscillators. The N320
documentation isn’t clear on whether this is acceptable, or whether
the external clock must have a DC bias even if its sinewave. Looking
at the schematic, the clock feeds into a TI CDC3RL02, which seems to
indicate the sinusoid must have DC offset applied to keep it above
~0.3V. Can somebody please confirm?
Thanks!
It seems likely that you'll need that DC offset to keep the TI chip happy.
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