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I've tried several builds and only get partial (~50%) success booting Sayma. This is using Sayma_AMC (TS190717-6) sent to Duke from HK -- now temporarily being testing at UMD. Builds I've tested inclu…
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I've started sketching out requirements for a fast DAC to be used for ion shuttling/splitting. It's on the [Wiki](https://github.com/m-labs/sinara/wiki/Shuttler).
All comments welcome...
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Kernel:
```
from artiq.experiment import *
class SAWGResetSequenceError(EnvExperiment):
def build(self):
self.setattr_device("core")
self.setattr_device("sawg0")
…
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Sayma_AMC and Sayma_RTM v1 didn't have consistent factory-supplied serial numbers. This makes it hard to keep track of which boards have particular problems or what modifications have been made to the…
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What's the current status of the firmware that's loaded onto Booster at the moment? Should the instructions on the Wiki all work at the moment?
To check I understand things:
- ENABLE/DISABEL contr…
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**Noise measurement**:
Configuration:
- Sample rate: 1/12us
- 10k samples per measurement, averaging over 100 measurements
- looking at channels 6 and 7. 6 has the 50R termination on, 7 has it o…
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- With Sayma AMC and RTM connected I see consistently bad mem tests like https://hastebin.com/feziqitiha.rb and https://hastebin.com/yocigovize.rb (tried power cycling the board a few times while leav…
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I'm seeing an oscillation on the output of one channel at about 785MHz, +33dBm output. This is with the input 50Ohm terminated and the output connected directly to a high-power SMA terminator.
The …
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We observe glitches ![image](https://user-images.githubusercontent.com/21218399/45317988-825ea380-b533-11e8-9341-adc957bb9ad3.png) when the interlock trips or is reset. These glitches are about 45Vpp …
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* DAC signal is present at the SMP connectors
* No signal visible at the Allaki SMA connectors
* The problem is on the Sayma side (as can be demonstrated by swapping Allakis)
* Could be a problem w…