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146 Commits

Author SHA1 Message Date
occheung 3ed6a7ccbe 2118-2128: fix data rate spec 
Quoted from the isolator datasheet: "Data rates up to 150 Mbps are supported."
Saying the maximum data rate is at least 150 Mbps is not very accurate.
Updates #36
 2022-02-07 14:41:09 +08:00
occheung d622423675 4456: remove mention to cpld cfg on rf_sw 
As communication to ALmazny mezzanine does not use bitbang anymore, there is very little value for routing LVDS signal.
Also, MUXOUT readout from ADF5356 has an easily understandable API available.
So there should not be any reasons to use EEM[4:8] for anything other than controlling RF switches.
 2022-02-07 14:28:07 +08:00
occheung 2ca8632582 4456: update attenuator API 2022-02-07 14:26:58 +08:00
occheung 6199e4bb5e 4456: fix quotation mark 2022-02-04 17:23:05 +08:00
occheung 1d7e6dc853 4456: init 
Updates #17
 2022-02-04 17:18:15 +08:00
occheung d4387cae18 5108: fix d157dda 
Made the spectrometer thing more stright forward. It really just monitors the laser power in that use case.
 2022-02-04 14:59:30 +08:00
occheung 1b8beee45d 2118-2128: add max data rate spec 
Base on the isolator datasheet, where it stated that "Data rates up to 150 Mbps are supported".
The electrical specific of the datasheet stated the spec differently.
Updates #36
 2022-02-04 14:38:39 +08:00
occheung 7bdc121b6a 2118-2128: add low input min voltage 
-0.5V from absolute rating
 2022-02-04 14:31:30 +08:00
occheung 0b4ad6762e 2118-2128: add high input max voltage 
5.5V from absolute rating
5V max with termination to respect 0.5W rating of the 50R resistor.
Updates #35
 2022-02-04 14:01:22 +08:00
occheung 8864ecaf87 5432: fix card name 
Updates #34
 2022-02-04 13:49:10 +08:00
occheung 656068e151 4410-4412: fix card name 
When the card no. is stated, mention the full name (e.g. 4410 DDS Urukul)
Updates #34
 2022-02-04 13:45:28 +08:00
occheung 47e0c31705 ttl: update direction switches desc 
Updates #33
 2022-02-04 13:30:32 +08:00
occheung d157dda863 5108: update applications 2022-02-04 13:10:31 +08:00
occheung 389b97d9e4 5108: make ADC-Repeaters-EEM path unidirectional 
The only signal that enters the ADC through the repeaters is the SPI clock.
It is only a state/time reference, no meaning info goes through this path.
 2022-01-31 16:39:24 +08:00
occheung 7ea24e32e9 su-servo: mention P1dB impact 2022-01-31 16:27:31 +08:00
occheung 2961557c0a 5108: desc of ARTIQ-PYTHON impact on sample rate 2022-01-31 15:37:46 +08:00
occheung 8159a63376 5108: fix terminology 2022-01-31 14:47:17 +08:00
occheung 7783b2311c 5108: reset to rev1 2022-01-31 14:46:38 +08:00
occheung a30dd8ed95 su-servo: thicken the line on the plot 
Should make the line more visible at 0.
Can always make it even thicker.
 2022-01-31 14:45:21 +08:00
occheung 0bdf5d36bc fp pictures: png -> jpg 
re-converted from source with optimization
 2022-01-26 09:57:30 +08:00
occheung ed78d7f217 add front panel pictures to MCX/LVDS-TTL 
Using pdfs originated in the webpage drawings instead.
 2022-01-25 15:54:28 +08:00
occheung 25e441b4ec fp: re-edit & change format to pdf 
Updates #37.
 2022-01-25 14:57:54 +08:00
occheung 3570028b72 5108: add missing example 2022-01-25 09:41:49 +08:00
occheung ac198d0c52 5108: init Sampler 
Closes #14.
 2022-01-25 09:39:20 +08:00
occheung 5c77a735ed 4410: fix drawings 
The previous one had some dimensions clipped.
 2022-01-21 14:13:21 +08:00
occheung 9694b3b268 4410: fix front panel caption 2022-01-21 13:50:32 +08:00
occheung 18c7ab7166 5432: manually add BoM 2022-01-21 13:49:01 +08:00
occheung a912e36662 4410-4412: remove old drawings 2022-01-21 13:32:21 +08:00
occheung 686f5b83cc 4410-4412: add BoM manually 2022-01-21 13:31:36 +08:00
occheung df9078b897 2118-2128: add BoM manually 
Updates #30.
 2022-01-21 13:01:23 +08:00
occheung 5c962c64d4 5432: ditch import statement in python 
Obviously, the import statements cannot be put right before the methods in the same indentation.
It was there because there wasn't a better way to put these code.
Now, it is replaced with an worded instruction that imports are needed.
 2022-01-21 09:34:49 +08:00
occheung 48eb5a5ae3 5432: relocate examples source 
Updates #24.
 2022-01-20 17:17:13 +08:00
occheung 708330a57a suservo.py: remove unnecessary import 2022-01-20 17:00:54 +08:00
occheung ac8d398f5e suservo: refrain from generating channel list 
For consistency with other DDS examples that uses multiple channels.
e.g. TTL relay external trigger, DDS synchronization
 2022-01-20 16:48:58 +08:00
occheung 8404fed3da 4410-4412: get example code from file 
Updates #24. Added example files for DDS and SUServo respectively.
 2022-01-20 16:43:45 +08:00
occheung 9f6056f615 ttl: remove extra rtio break in example 2022-01-20 14:58:40 +08:00
occheung 9488a03aa4 ttl: factor out examples 
Also, the ttl timestamp_mu method has a parameter.
 2022-01-20 14:51:51 +08:00
occheung 611a0009af bump version 2022-01-19 15:34:54 +08:00
occheung 73714d0028 4410-4412: remove symbol column except for test characteristics 2022-01-19 12:39:24 +08:00
occheung ce563bdcf1 4410-4412: remove fractions & literal word symbols 
Some of them are added in 05eba6fa.
Very certain the fraction symbols are rarely used in any other datasheets to express decibels, if any at all.
 2022-01-19 12:29:42 +08:00
occheung 7841162bd6 5432: remove symbols 
revert b9ce64ed.
The remaining symbols are very standard (e.g. V, Z), so the symbol column is removed instead.
 2022-01-19 12:27:39 +08:00
occheung b9ce64edfb 5432: add symbols 2022-01-19 10:20:57 +08:00
occheung 972ed69593 4410-4412: fix case 2022-01-19 10:19:58 +08:00
occheung 2613df692b 4410-4412: fix dds signal spec citation 
* cite wiki instead of datasheets for frequency range, as the rest of the signal chain has low response for low frequency
* cite wiki instead of ad9912 datasheet for frequency resolution, see the ad9912 design bug on wiki
 2022-01-18 17:05:31 +08:00
occheung 022563a056 5432: uncite IC for output voltage spec 
There are other elements on the output signal chain, like the unity op-amp folowing the DAC.
 2022-01-18 16:03:42 +08:00
occheung b08b9dc069 5432: stress 32-CH DAC on diagram 2022-01-18 16:03:07 +08:00
occheung 00fd2df2e8 features: x-channel DDS/DAC 2022-01-18 16:02:01 +08:00
occheung 14776cf74d 5432: revert url footnote 
Auto-recognizing footnote as url is really a browser feature.
Chromium will not be able to parse the underscore in Zotino DAC IC datasheet URL.
 2022-01-18 15:07:26 +08:00
occheung 0b6c4e2b77 add the reset of the citation 
follow up of 56082b94
Update #25, #29
 2022-01-18 12:10:16 +08:00
occheung 947b3672b9 4410-4412: attenuation -> digital attenuation 
Just to not be confused with other source of attenuation/amplifications
 2022-01-18 09:57:42 +08:00