Sorry, this product is no longer offered for sale. It was discontinued on Apr 1, 2025The recommended replacement product is NPC3SG.
Piezo Stack Amplifier, Single Channel, High Performance

The NPC120SG High Performance Single Channel Piezo Stack Amplifier is for applications that require more dynamic movements than our model NPC3. With a permanent output current of 120 mA vs the 40 mA of the NPC3, the NPC120SG provides much faster charging of the piezo stack in use. This controller achieves position resolution in the sub-nm range in addition to a settling time in the microsecond range.
Dynamic Closed-loop Performance
Dynamic Open-loop Operation
Open Loop Boundary Conditions
Another boundary for fast open-loop operation is the current that can be provided by the piezoelectric amplifier. The diagram displays the max. sinusoidal frequency which can be supplied by the NPC3 and NPC3SG amplifiers as a function of the capacitance of the piezoelectric transducer and the voltage amplitude. For other models please see user manual for drive frequency curves.
Sensor Pre-amplifier and SIC
Manual Control Mode
In manual control, the output voltage/position can be set for each channel separately using the 30 step encoder knob on the front panel (where applicable). Pressing the knob toggles between open-loop and closed-loop. The last setting is saved in memory and is loaded after restart.
Analog Control Mode
Resources & Downloads
Manuals
old NPCxxxDIG Amplifier User's Manual(1.4 MB, PDF) NPC & NPCSG Series Amplifiers User's Manual(1 MB, PDF)
Software
HyperTerminal(202.2 kB, ZIP) USB Driver Installer(1.7 MB, ZIP)


