Posts in Category Tips & Tricks

Accessing the HF2 using Visual Basic .NET

on 01.01.2014 at 12:00 by andreas
This article briefly describes, how to access an HF2LI or HF2IS using Visual Basic .NET (VBA.NET, VB.NET). Foreword Please consider that VB is not a supported programming language and it does not appear in the official list. A software update […]

Setting up a Digitally Tunable Resonator using the HF2LI

on 07.12.2012 at 16:32 by andreas
This article describes how to simulate a band pass filter or resonator using the HF2LI lock-in amplifier. The digitally tunable parameters make it very versatile and e.g. allow to use it for benchmarking a phase locked loop. Hardware Requirements To […]

Manually Starting a ziServer

on 03.12.2012 at 13:23 by andreas
If you read this article, you’ve probably been asked by Zurich Instruments’ customer support to manually start a ziServer for testing purposes. Your input is highly appreciated and will help to improve our product. To circumvent confusion, please provide the […]

Calculating Filter Settling Times

on 30.08.2012 at 16:25 by andreas
Please use this calculator to get an idea of the time the demodulator filter needs to settle in order to achieve a specified accuracy given the filter order and time constant

Using the HF2LI as a 4-Channel Lock-in Amplifier

on 16.08.2012 at 16:21 by andreas
Block diagram of the HF2LI set up as a 4-channel lock-in amplifier
This article is intended for users who are already familiar with the 2-channel 50 MHz HF2LI Lock-in Amplifier and want to extend it to four independent lock-in channels for measurements at frequencies up to 100 kHz. Please note that the […]