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How to Demodulate Multi-frequency Signals such as AM, FM and PM

on 20.03.2018 at 13:26 by Mehdi on Blog of Mehdi Alem
Introduction  When analyzing signals with multiple frequency components, it is important to measure the amplitude and phase of each frequency component accurately so that a change in the characteristics of one component does not affect the measurement of another frequency component. There […]


on 20.12.2017 at 10:55 by Marco Brunner on Blog of Marco Brunner
製品 Zurich Instrumentsは、市場製品の中でも最高レベルのチャネル密度を実現し、トリガのレイテンシを最小限に抑えた任意波形ジェネレータであるHDAWGを発表します。HDAWGは4または8チャネル、いずれかの設定でお手元に届けられます。両方の設定において16ビットの出力およびチャネルあたり500MSamplesの信号キャッシュを実現します。最大サンプリング・レートは750MHzの信号帯域幅で2.4GSa/sで、各信号出力にはTTLマーカー出力とTTLトリガ入力が含まれます。さらに、複雑なビットパターンを作成し、読み取ることができる32ビットのデジタルI/Oが搭載されています。 説明 多くのチャネルが必要となる用途では、複数の機器を同期して集中的に制御することが可能です。HDAWGはブラウザベースのLabOneユーザーインターフェースや、MATLAB、LabView、Python、NET、Cで制御することができます。また、埋め込みのスクリプト言語とコンパイラを使用すれば、シーケンスを容易に書き込み、編集、コンパイルすることができます。取得されるシーケンスはリーンであり、1GbEまたはUSB3.0を介してスムーズに機器に転送することができます。そのため、時間を短縮してワークフローの効率を高めることができ、さらにユーザーは複雑な信号パターンの全体像を保守することが可能になります。 用途 HDAWGは、最小限のノイズでパルス信号のシーケンスを生成する量子計算での用途など、極めて厳しいR&D要件を満たすために開発されました。さらにNMR、電子部品試験、レーダー/ライダーなどの用途にも対応します。

Generation of Single-Sideband Modulation by UHF-AWG Arbitrary Waveform Generator

on 15.12.2017 at 17:32 by Mehdi on Blog of Mehdi Alem
Introduction  I/Q modulations are extensively used in a variety of applications including, telecommunications, quantum computing, nuclear magnetic resonance, EPR spectroscopy and band excitation AFM. In this post, we demonstrate how to generate such signals using Zurich Instruments with an emphasis on single-sideband (SSB) modulation as […]

Enhancing the Luminosity Quality of Sulfur Plasma Lamps by the HF2PLL Phase-Locked Loop

on 07.12.2017 at 14:11 by Mehdi on Blog of Mehdi Alem
Introduction The choice of technology in lighting industry requires a trade-off between color rendering and luminous efficacy because the spectral sensitivity of the human eye varies with wavelength. As sustainable development has become a priority, the manufacturing industry of lighting […]

Formation sur les techniques KFM à Grenoble

on 29.11.2017 at 18:17 by Romain Stomp on Blog of Romain Stomp
Pour la seconde année consécutive, le réseau RéMiSoL (voir ci-dessous), avec le soutien du CEA LETI, de l’IEMN et de partenaires industriels (NanoAndMore, Zurich Instruments), a proposé une action nationale de formation (ANF) CNRS le 7 et 8 Novembre sur […]

Protect Setup From High Voltage Peaks

on 24.11.2017 at 11:24 by Marco Brunner on Blog of Marco Brunner
This blog describes how a setup can be protected from overvoltage which occurs switching off a coil. Fast changing currents induce transient voltages in an inductive load which can be expressed by the formula: V = – L (dI/dt) L is […]

How to measure PLL/PID bandwidth under real experimental conditions

on 14.11.2017 at 10:52 by Romain Stomp on Blog of Romain Stomp
With the merging of PLL and PID tab in LabOne for MFLI and UHFLI, the PID Advisor section is now identical for both type of feedback loops and various system models can be tested. After all, a Phase Locked-Loop (PLL) […]

Displaying Nyquist Plots on the MFIA Impedance Analyzer

on 27.09.2017 at 13:45 by Tim on Blog of Tim Ashworth
A short guide to displaying impedance data as Nyquist plots on the LabOne Sweeper of the MFIA. Nyquist plots are a key tool when displaying complex impedance data. They display the real part of the signal on the X-axis against […]

Kramers–Kronig Test Applied to Impedance Measurements of Electrical Circuits

on 25.09.2017 at 06:57 by Mehdi on Blog of Mehdi Alem
Introduction  In this post, the Kramers-Kronig relations are used to verify the results of an impedance measurement experiment performed by the Zurich Instruments MFIA Impedance Analyzer or MFLI Lock-in Amplifier equipped with the MF-IA option. The Kramers-Kronig relations state that the real […]

LCR Meter vs Impedance Analyzer

on 11.08.2017 at 14:52 by Tim on Blog of Tim Ashworth
We are often asked about the difference between LCR Meters and Impedance Analyzers, especially since the MFIA offers the functionality of both instruments. LCR-meters and impedance analyzers are fundamentally similar, in that they both measure impedance parameters such as capacitance, […]

SPM Users’ Meeting in Mainz

on 21.07.2017 at 15:08 by Romain Stomp on Blog of Romain Stomp
It was an honor and privilege to host our first SPM Users’ Meeting in Mainz this year, in the group of Prof. Angelika Kuehnle. This 2-day gathering was a time for intense knowledge sharing among Zurich Instruments’ Users with invited […]

Output Low-Frequency Sinusoidal Signal on the AUX Output of MFLI

on 30.05.2017 at 14:42 by Marco Brunner on Blog of Marco Brunner
  This blog shows how to output sinusoidal signals on the AUX Output with the MD multi-demodulator option. Keep in mind that the AUX output are not designed to output sinusoidal signals as the Signal Output.   Setup 1. On AUX […]

Teraohm Impedance measurements with the MFIA Impedance Analyzer

on 29.05.2017 at 11:45 by Tim on Blog of Tim Ashworth
Introduction This blog post describes impedance measurements of a 1 TΩ commercially-available resistor using the MFIA impedance Analyzer. This further demonstrates the performance of the MFIA to accurately measure challenging components with very high impedance.  Thanks to a clear reactance […]

Noise Analysis of Signal Components

on 29.03.2017 at 13:57 by Mehdi on Blog of Mehdi Alem
Introduction  In this post, the relation between the noise of signal amplitude and phase on one hand and the noise of in-phase and quadrature components of the signal on the other hand is investigated. We try to respond to the wrong […]

Fast auto-approach with MFLI Threshold Unit to control stepper motor

on 22.02.2017 at 11:19 by Romain Stomp on Blog of Romain Stomp
In many applications where the distance between two objects need to be reduced to a predefined gap, the ability to control a stepper motor with clear stop conditions from different sensors is of high practical interest. Such functionality can be […]