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Sensing finger movements via impedance measurements

on 19.01.2021 at 12:22 by magda on Blog of Magdalena Marszalek
Smart clothes, wearables and biosensors do not sound as futuristic as they used to. The development in this field of science and engineering is rapid and it is no longer a niche – as seen in the first or even […]

Compensating Cables for Accurate Impedance Measurements

on 19.01.2021 at 10:45 by Tim Ashworth on Blog of Tim Ashworth
Measuring impedance accurately can be a challenge, especially when the device or material under test is located some distance away from the impedance analyzer at the end of cables. The phase delay and parasitic impedance of the cables can significantly […]

Proximity sensors: inductive or capacitive? Using the MFIA to measure the sensitivity and response time of both sensing regimes

on 07.01.2021 at 17:36 by Meng on Blog of Meng Li
Introduction A proximity sensor is a sensor that detects nearby objects without physical contact [1]. They are commonly used, in applications ranging from production lines to modern mobile devices, mainly thanks to their non-contact configuration and the accompanying long lifetime. […]

How to check the input noise level of MFLI?

on 23.12.2020 at 10:29 by wei on Blog of Wei Yu
How to check the input noise of an instrument? This blog demonstrated how to use LabOne to perform a test in a few steps.

如何查看 MFLI的仪器输入噪声水平？

on 23.12.2020 at 06:53 by wei on Blog of Wei Yu
如何查看一台仪器的输入噪声水平？本文演示了如何使用LabOne仪器控制软件简单、快速的进行测试。

The Next Generation of Quantum Analyzers: SHFQA Launch Event – Summary and Q&A

on 01.12.2020 at 11:31 by tobias on Blog of Tobias Thiele
On September 1, we launched the second generation of our readout analyzers for superconducting and spin qubits – the SHFQA Quantum Analyzer. Last week on November 17, we dedicated an hour-long event to provide you with the latest insights into […]

Function Generation Via Auxiliary Outputs on Your Instruments

on 26.11.2020 at 17:33 by Meng on Blog of Meng Li
Introduction Quite often one wants to generate an electrical waveform to assist his/her lock-in or impedance measurements. Such a function can be generated by a dedicated function generator, but ideally should be done in the same instrument, not only to […]

Webinar Zusammenfassung – Von Transportmessungen in der Festkörperphysik zur Impendanzanalyse in der Elektrotechnik

on 23.11.2020 at 16:25 by claudius on Blog of Claudius Riek
Dieser Blog Post erscheint mit dem Webinar “Von Transportmessungen in der Festkörperphysik zur Impedanzanalyse in der Elektrotechnik”. Im Anschluss möchte ich den Inhalt des Webinars kurz zusammenfassen und stelle auch die Folien zur Verfügung. Vor allem möchte ich mich bei allen Teilnehmern […]

Webinar Summary and Q&A – Focus on recovering signals in optical experiments

on 23.11.2020 at 16:16 by claudius on Blog of Claudius Riek
This blog post accompanies the webinar “Focus on signal processing in optical experiments”. Thank you to everybody who joined the live event and participated actively by voting in the poll and asking so many relevant questions. The answers to all […]

Get additional insights into your setup with the MF-DIG option

on 08.11.2020 at 15:50 by Jelena on Blog of Jelena Trbovic
Lock-in amplifiers are at their best when rejecting the noise and increasing the signal-to-noise ratio. When the setup is well characterized the measurements are carried out at a single frequency and measured against external parameters. Throughout the measurement, detailed noise […]

How to Retrieve the Carrier Frequency of Phase-Modulated or Carrier-Suppressed Signals with Costas Loops

on 08.11.2020 at 13:43 by Mehdi on Blog of Mehdi Alem
Introduction  Phase-locked loops (PLLs) are widely used to recover the frequency of a carrier signal in many detection systems such as lock-in amplifiers and data receivers. In order to properly lock to the carrier phase and extract its frequency, a […]

Webinar Summary – Boost Your SPM Applications: From Kelvin Probe to Time-Resolved Measurements

on 19.10.2020 at 17:03 by Romain Stomp on Blog of Romain Stomp
Following up on the webinar dedicated to Kelvin Probe Force Microscopy (KPFM) techniques, I’d like to post a short summary in this blog as well as answers to most questions raised during this event. The recording of this webinar can […]

Measuring Dielectric Properties of Materials with Varying Thickness

on 30.09.2020 at 08:52 by Meng on Blog of Meng Li
Introduction A dielectric is traditionally defined as an electrical insulator, with very poor conductivity at DC [1]. However, because of its polarizability, charges can be stored in a dielectric material, typically in the format of dipoles, in the low and […]

Inductance of an SMD Shunt Resistor measured with the MFIA

on 15.09.2020 at 10:32 by Tim Ashworth on Blog of Tim Ashworth
The reliable and accurate measurement of current is critical to optimising any electronic system. The most commonly used method to measure current flows within a circuit is by using a low-value resistor mounted in series, and then measuring the voltage […]

A fast and scalable approach to controlling 100 qubits and more – Webinar summary and Q&A

on 02.09.2020 at 19:22 by tobias on Blog of Tobias Thiele
On August 20, we talked about our fast and scalable approach to controlling 100 qubits and more. The webinar was recorded and is available on Demand here. In the first part of the webinar, we covered our fast approach and […]
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