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The powerful, cost-effective E-835 OEM piezo amplifier module is designed for driving the P-876 DuraAct™ piezo patch transducers. It provides a peak output power of 30 W with a peak current of 120 mA in the semi-bipolar voltage range (-100 V/+250 V). The continuous output power is rated at 3 W.
This compact piezo amplifier module supplies adequate power for a broad range of DuraAct™ patch transducer applications, e.g. active vibration damping, structure monitoring and stabilization.
Voltage-Controlled Piezo Operation
The E-835 piezo driver module provides precision control for DuraAct™ Patch Transducers both in static and dynamic operation. Its output voltage is determined by an external analog signal in the -4 to +10 V-range applied to the respective input.
Operation / Contents of Delivery
The required electrical power can be supplied by a commercial 12 V-power supply (not included). An integrated DC/DC converter provides the piezo voltage and other voltages required internally. All inputs and outputs are on solder pads.
The E-835 piezo amplifier module is also suitable for operating PICA™ Shear piezo actuators at about 60% of the nominal maximum displacement.
Read the general considerations on piezo amplifiers.
Adaptive Structures with Piezo Patch Transducers
P-876 DuraAct™ patch trans ducers combine the actuatorand sensor functionality of piezoceramic materials. Used as a bender or contraction actuators, they provide high deflection with high force and precision. Other possible DuraAct™ operation modes are as high-dynamics sensor (e.g. for structural health monitoring) or as energy harvesters (see link).
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