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2018 04_Report
The Sampler-Urukul Servo connects the 8 channel ADC EEM (Sampler) with two 4 channel DDS EEMs (Urukul-AD9910) to form a versatile laser intensity stabilization system. It uses very few resources (2 BRAM, 1 DSP) while still providing low latency and high sample rate (1 MS/s). Among its features are support for 8 channels and 32 profiles per channel, RTIO-controlled profile/integrator/RF switch control, integrator hold, automatic integrator hold-off, and flexible ADC routing.
The SUServo gateware is now fully integrated into ARTIQ and a basic coredevice driver is available. The DDS interface, and the IIR filter have been tested and the timing of the ADC confirmed. Integration testing and completion of the driver are ongoing.
The out-of-tree driver for the Princeton Instruments EMCCD camera is functionally complete and has been tested.