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Urukul : Open-source Frequency Synthesizer Module for Quantum Physics

Kasprowicz Grzegorz, Harty Thomas, Bourdeauducq Sébastien, Jördens Robert, Allcock David, Nadlinger David, Britton Joseph W., Sotirova Ana, Nowicka Dorota

International Journal of Electronics and Telecommunications

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2022

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Vol. 68, No. 1

123--128

EN

We describe Urukul, a frequency synthesizer based on direct digital synthesis (DDS), optimized for wave generate control in atomic, molecular and optical (AMO) physics experiments. The Urukul module is a part of the Sinara family of modular, open-source hardware designed for the ARTIQ quantum operating system. The Urukul has 4-channel, sub-Hz frequency resolution, controlled phase steps and accurate output amplitude control. The module is available in two population variants. This paper presents Urukul module construction and obtained characteristics.

2

Pulse Sequence Shaper For Radiospectroscopy And Relaxation Methods In NQR

Bobalo Y., Hotra Z., Hotra O., Politans’kyy L., Samila A.

Metrology and Measurement Systems

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2015

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Vol. 22, nr 3

363--370

EN

A pulse sequence shaper for the pursuance of the research using a wide spectrum of radiospectroscopy and relaxation methods in NQR is proposed. The distinctive feature of this product is its implementation with the application of a multi-functional programmable frequency synthesizer suitable for high-speed amplitude and phase manipulations.

3

FLL as Digital Period Synthesizer based on Binary Rate Multiplier Control

Perišić D., Žorić A., Obradović S., Perlić D.

Przegląd Elektrotechniczny

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2013

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R. 89, nr 1a

145--148

EN

This article describes all digital Frequency Locked Loop (FLL) as period synthesizer, which uses Binary Rate Multiplier (BRM) in feedback for the output period control. Although BRM produces irregularities in its output, the synthesizer compensates them and generates the uniform pulse rate at the output. The functioning and realization of all parts of synthesizer are described. Particular significance was given to the description of the illustration of FLL functioning using realized model and to the application of FLL. The synthesizer for wide period range is presented.

PL

W artykule opisano cyfrowe FLL (ang. Frequency Locked Loop) wykorzystywane w syntezatorach okresu, wykorzystujące w sprzężeniu zwrotnym binarny mnożnik częstotliwości (ang. Binary Rate Multiplier).Syntezator kompensuje wszelkie nieprawidłowości wytwarzane przez BRM na wyjściu i generuje jednolitą częstotliwość impulsowania na wyjściu. Stworzono model opisujący funkcjonowanie FLL. Opisano realizację poszczególnych jego części .

4

Application of Frequency Locked Loop in Consumption Peak Load Control

Perišić D., Žorić A., Obradović S., Spalević P.

Przegląd Elektrotechniczny

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2012

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R. 88, nr 1b

264-267

EN

This article describes the application of the Frequency Locked Loop (FLL) in the Consumption Peak Load Control (PLC). The digital content of FLL represents the main information for optimal control. Particular significance was given to the description of the extended FLL, which is suitable for this application. Detailed solutions of FLL input module and FLL adjustments are given. The performances of the realized PLC System are demonstrated by the graphics, which are recorded on the applied PLC System.

PL

W tym artykule opisano zastosowanie Frequency Locked Loop (FLL) do sterowania obciążeniem szczytowym Peak Load Control (PLC). Szczególne znaczenie nadano opisowi rozszerzonego FLL, który jest odpowiedni dla tej aplikacji. Podano szczegółowe rozwiązania w module FLL wejściowych i korekt FLL . PLC.