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25 Commits

Author SHA1 Message Date
occheung bc4e11cdf6 4410-4412: separate RAM SYNC example 2021-12-22 17:17:03 +08:00
occheung 9251da4ce0 4410-4412/RAM: add amplitude ramp example 2021-12-22 17:16:21 +08:00
occheung 4b3f0c5612 4410-4412/RAM: replace screenshot with plot 2021-12-22 17:14:57 +08:00
occheung 1ce032605a 4410-4412/RAM: lower background frequency to 5MHz 
It is to make the plot easier for our eyes.
 2021-12-22 17:12:48 +08:00
occheung d26fe0f5d5 4410-4412: configure_ram_mode add slack 
When the RAM data is larger, extra slack is needed to avoid underflow.
 2021-12-22 17:10:57 +08:00
occheung 9b40af6c6a 4410-4412: add graphs for phase noise/harmonic contents 2021-12-22 12:17:23 +08:00
occheung 82521ff909 4410-4412: enlarge photo 
And prevent the photo from jumping to the next page.
 2021-12-22 09:53:06 +08:00
occheung b538ef7858 4410-4412: add unit when calling set_att() 2021-12-08 12:19:31 +08:00
occheung 2127697fe6 4410-4412: update set() parameters 
Note that the `frequency` param is mandatory in AD9912.set(), while optional in AD9910.set()
 2021-12-08 12:17:27 +08:00
occheung aa96ed4ab3 4410: fix whitespace in ram example 2021-12-07 16:35:03 +08:00
occheung 60861ccf1f 4410: mention default profile for single-tone 2021-12-07 16:29:35 +08:00
occheung 8f1a437378 4410: add ram modulation with synchronization example 2021-12-07 16:26:25 +08:00
occheung 011d63f3eb 4410: modify ram example 
* Use `prepare()` to init the arrays, would be great if the value can be prepared there. However, the type check was not happy about it.
* Separate RAM configuration into a separate function
* Separate DDS init, digital attenuation & switch config in an init function
* Use `dds.set()`. It is supposed to look simple.

All these are to avoid repeating the long code in the coming RAM+SYNC example.
 2021-12-07 16:21:56 +08:00
occheung 0dbf7a70c4 4410: add phase param to single-tone sync e.g. 
+- 0.25 turns w.r.t the other channel, excluding I/O update mismatch
 2021-12-07 16:20:18 +08:00
occheung 7265d05bae 4410-4412: remove leftover comment 2021-12-07 16:19:05 +08:00
occheung b657e0fea5 4410-4412: clarify nominal power 
The same figure can be found in sinara issue 354 / urukul issue 3, and it was meant to be an empirical limit for low frequency RF outputs.
 2021-12-06 13:17:19 +08:00
occheung ca896ed094 4410-4412: fix phase noise layout, add harmonics 2021-12-06 13:06:24 +08:00
occheung e109ec2b6f 4410-4412: fix performance data condition 
The condition should now align with wiki and sinara issue 354 / urukul issue 3.
 2021-12-06 13:05:46 +08:00
occheung 41c6e37c74 4410-4412: fix caption 2021-12-06 12:39:35 +08:00
occheung 894823d2d4 4410-4412: remove phase param from single-tone e.g. 2021-12-06 11:53:45 +08:00
occheung 74bc8ef797 4410-4412: add waveform for ram mod e.g. 2021-12-06 11:52:31 +08:00
occheung 11b1aee030 4410-4412: specify digital for attenuator specs 2021-12-06 10:46:39 +08:00
occheung 3b4b44c833 4410-4412: remove air flow spec 2021-12-06 10:43:49 +08:00
occheung c5c8701341 4410-4412: fix photo 2021-12-02 13:31:04 +08:00
occheung 69da8ea9b4 4410 -> 4410-4412, 4410/4412 2021-12-02 13:29:35 +08:00