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High-Efficiency Piezo Amplifier Module uses Energy Recovery for High Power Output / E-617 OEM Amplifier

09-25-2008 03:17 PM CET | Science & Education

Press release from: PI (Physik Instrumente) L.P. Piezo Nano Positioning

E-617 high-power piezo amplifier shown with high performance PICMA® multilayer piezo actuators

E-617 high-power piezo amplifier shown with high performance PICMA® multilayer piezo actuators

Nanopositioning and piezo system specialist PI introduces the new E-617 high-power piezo amplifier module. It is ideally suited for high-dynamics switching and scanning applications e.g. for high-speed injection valve testing, vibration cancellation etc.

The E-617's innovative efficient circuitry based on energy recovery technology reduces power consumption and heat dissipation, especially in dynamic applications.

Features and Advantages of the E-617 high power Amplifier
* Output voltage -30 to +135 Volts
* Peak Output Power to 280 W
* High Source & Sink Currents to 2 Amps
* Very Low Power Consumption due to Energy Recovery Principle
* Amplifier bandwidth to 3.5 kHz
* Short-circuit-proof

High Performance for High Capacitive Loads

The E-617 four quadrant amplifiers were designed to provide precision control of high performance / high capacitance multilayer piezo actuators and positioning systems. They can sink and source currents up to 2000 mA in an output voltage range of -30 to +135V; the amplifier gain is set at 12.

Operating Principle of the Energy Recovery Amplifier

The innovative, efficient circuitry reduces power consumption and heat dissipation, especially in dynamic applications. Charge is transferred to the piezo actuator using low-loss PWM techniques. When the actuator is discharged, the energy not consumed is fed through the energy recovery circuitry for reuse in the next charging cycle.

Datasheets & More Information:

High Resolution Image at:

About PI
PI is a leading manufacturer of piezo systems, piezo stages, linear motors and precision motion-control equipment for photonics, bio-nanotechnology & semiconductor applications. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 35+ years. The company has been ISO 9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. PI is present worldwide with eight subsidiaries and total staff of 500

PI (Physik Instrumente) L.P.
16 Albert St.
Auburn, MA 01501

USA / Canada:
East: David Rego
Tel: (508) 832-3456
Fax: (508) 832-0506
Midwest Joe McGonagle
(815) 793-3776

West David Steinberg
Tel: (949) 679-9191
Fax: (949) 679-9292

Germany: +49 (721) 4846-0
Italy: +39 (02) 665 011 01
France: +33 (1) 481 039 30
UK: +44 (1582) 764 334

Japan: +81 (6) 6304 5605
China +86 (21) 687 900 08

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