more Urukul specs #8

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sb10q · 2021-12-23T16:00:20+08:00

sb10q commented

2021-12-23 16:00:20 +08:00

https://github.com/sinara-hw/sinara/issues/354#issuecomment-352859041

RF switch turn on transient
Nyquist rejection 400 MHz to 600 MHz
Nyquist rejection 450 MHz to 550 MHz
Harmonics 2 and 3 vs power has more detail
Attenuator step from 20 to 60 digital (16+4dB switch glitch)
Attenuator step from 31 to 32 digital (major carry glitch)

https://github.com/sinara-hw/sinara/issues/354#issuecomment-352859041 * RF switch turn on transient * Nyquist rejection 400 MHz to 600 MHz * Nyquist rejection 450 MHz to 550 MHz * Harmonics 2 and 3 vs power has more detail * Attenuator step from 20 to 60 digital (16+4dB switch glitch) * Attenuator step from 31 to 32 digital (major carry glitch)

sb10q commented

2021-12-23 16:05:40 +08:00

Note: generally there's a lot of useful info scattered across various GitHub issues (also for other cards). @occheung could you search for it and collect it?

occheung commented

2022-01-04 09:36:55 +08:00

337ecbd for urukul (and another separate commit that adds the figures).
e6674c7 also adds tables about the harmonic contents in some generic frequency at different attenuations/power output.

a84ba87 & b583eef for zotino, which adds plots about the rising/falling response & FEXT/ringing.

337ecbd for urukul (and another separate commit that adds the figures). e6674c7 also adds tables about the harmonic contents in some generic frequency at different attenuations/power output. a84ba87 & b583eef for zotino, which adds plots about the rising/falling response & FEXT/ringing.

sb10q closed this issue

2022-01-04 12:54:32 +08:00

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Reference: sinara-hw/datasheets#8