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Oscillation Controller with digitally integrated PLL
For the finest control of mechanical oscillators
The Oscillation Controller (OC4) adds dynamic AFM capabilities to the Nanonis controller. The z-feedback can regulate on any signal coming from the mechanical resonator with any predefined SafeTip™ conditions. Imaging modes include among others: non-contact AFM, intermittent contact mode, phase imaging, dissipation. With an input bandwidth of 5MHz, the OC4 can operate any type of cantilever, tuning fork, needle sensors, etc. and their harmonics.
Details and Specs
Related Modules
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Highlights |
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- Fully digital PLL up to 5MHz: no introduction of noise or drift from analog or mixed signals
- Digitally integrated into the Nanonis control system
- Any signal or combination can be used as z-feedback, user-defined SafeTip™ features
- Easy access and analysis of internal signals reporting frequency shift, amplitude, phase and excitation
- Integrated oscilloscope and spectrum analyzer (FFT) with continuous display up to 5MHz
- Demodulation bandwidth up to 5 kHz
- Frequency and phase sweep spectrum for maximum amplitude and minimum excitation
- perfectPLL™: automatic PLL-tuning according to the Q-factor, demodulation bandwidth and gain
- Accurate amplitude detection: lock-in technique for amplitude detection instead of RMS-to-DC conversion
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