Posts tagged HF2LI-MOD

Dynamic suppression of unwanted frequency components with an HF2LI

on 26.06.2015 at 14:17 by Paolo Navaretti on Blog of Paolo Navaretti
There are many experimental situations in which the component of interest in a signal is not the strongest one, but some other related component, for instance the side bands in amplitude or frequency modulated signals. In such a case, the […]

Tracking Resonance Frequency without Phase: the DFRT Method

on 18.10.2013 at 18:47 by Romain Stomp on Blog of Romain Stomp
For high Q-factor resonator (> 500), it is a common method for SPM application to use a Phase Locked Loop (PLL) to track the change in cantilever frequency: the high phase sensitivity at 90° guarantees accurate measurements and stable PID […]

How to set-up Kelvin Probe Feedback (FM-KPFM) with Direct Sideband Detection

on 28.08.2013 at 15:50 by Romain Stomp on Blog of Romain Stomp
HF2 users can already find valuable information on the HF2LI-MOD option in earlier blogs such as in Exploring the HF2LI-MOD: Measuring Bessel Functions for the difference between tandem and (direct) sideband detection or even schematics of various KPFM configurations in […]