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clarify use of AD9910 and AD9912 at the same time

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Sebastien Bourdeauducq 2021-02-16 09:58:25 +08:00
parent c1b022b5e6
commit 59c1ed790d
2 changed files with 2 additions and 1 deletions
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2
content/experiment-control/sinara-core.md
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@ -98,7 +98,7 @@ There are several DIN-rail compatible modules for use with Banker. They are inte
##### Sinara 4410/4412 DDS "Urukul"
Urukul is a 4 channel DDS-based frequency synthesizer for the EEM form factor. It provides sub-Hz frequency resolution, controlled phase steps, and accurate output amplitude control. We offer it in two variants, with either the AD9910 (Sinara 4410) or the AD9912 (Sinara 4412) chip.
Urukul is a 4 channel DDS-based frequency synthesizer for the EEM form factor. It provides sub-Hz frequency resolution, controlled phase steps, and accurate output amplitude control. We offer it in two variants, with either the AD9910 (Sinara 4410) or the AD9912 (Sinara 4412) chip. AD9910- and AD9912-based cards can be freely mixed in the same ARTIQ system with no particular issues.
With the SU-Servo feature of ARTIQ, the 4410 DDS (which has fine amplitude control, unlike the 4412) can be used in combination with the 5108 Sampler to form a laser intensity servo. In this application, the Urukul card drives AOMs and photodiodes are connected to Sampler to monitor laser intensities. When ordering your system, specify that you want SU-Servo integrated into the gateware.

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static/js/shop_data.js
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@ -256,6 +256,7 @@ const shop_data = {
'RF switch (1ns temporal resolution), 70dB isolation.',
'AD9910 or AD9912 chip.',
'By default, we use the AD9910 as it provides more features. If you need the higher frequency resolution of the AD9912, leave us a note.',
'AD9910 and AD9912 cards can be used at the same time in the same crate.',
'External 5W power amplifier is available separately, leave us a note if interested.'
],
size: 'small',