Mad City Labs instrument package for AFM/NSOM instrumentation


The MadPLL fully integrated instrument package from Mad City Labs (Madison, WI) includes a digital PLL controller, software, a sensor amplifier board and a resonant probe mounting board for creating a closed-loop atomic force microscope (AFM) or near-field scanning optical microscope (NSOM). Its proprietary software includes parasitic capacitance control, resonant frequency detection, and Q calculation.



MadPLL™ for “instant” AFM/NSOM instrumentation

MadPLL™ is a fully integrated instrument package that allows the user to create an inexpensive, high resolution resonant scanning probe microscope. In short, MadPLL™ can create an “instant” closed loop AFM/NSOM at a fraction of the cost of commercial systems.

MadPLL™ has been specifically designed for tuning forks and Akiyama probes and is fully compatible with Mad City Labs’ high resolution closed loop nanopositioning systems; making it easy for users to build a scanning probe microscope with a flexibility that cannot be achieved with other commercial systems.

MadPLL™ includes a digital PLL controller, dedicated software, sensor amplifier board and resonant probe mounting board. Our software includes automated features such as parasitic capacitance control, resonant frequency detection, and Q calculation. The integrated Z-axis PI control loop is fully compatible with our closed loop nanopositioning systems.

The seamless integration of hardware combined with the built-in automated control means that you can concentrate on getting results, not tweaking parameters. MadPLL™ is ideal for research and teaching laboratories offering high performance, versatility, simplicity and excellent value. Please contact or visit

Posted by Lee Mather

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