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Power amplifier boasts high output current to ±120mA

30 May 2013

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Model 10/40A-HS

High-voltage power amplifier maker Trek Inc. is set to introduce its latest high-speed, high-voltage amplifier, the Model 10/40A-HS.

The ±10kV four-quadrant DC-stable amplifier provides high speed of response with slew rate greater than 900V/us, high output current to ±120mA peak AC, and large signal bandwidth of DC to greater than 23kHz (-3dB). Applications include electrostatic deflection (ion beam steering, mass spectrometers, particle accelerators), material characterisation (ferroelectrics), plasma (atmospheric plasma, dielectric barrier discharge) and surface modification (for enhanced adhesion, biocompatibility, and performance).

The Model 10/40A-HS features an all-solid-state design to deliver high slew rate, wide bandwidth and low-noise operation. This amplifier provides precise control of output voltages in the range of 0 to ±10 kV DC or peak AC with an output current range of 0 to ±40mA DC or ±120mA peak AC for 1ms. It is configured as a non-inverting amplifier with a fixed gain of 1000V/V.

The four-quadrant, active output stage sinks or sources current into reactive or resistive loads throughout the output voltage range. This is essential for achieving the accurate output response and high slew rates demanded by reactive loads. Model 10/40A-HS is protected against over-voltage and over-current conditions that may be generated by active loads or by output short circuits to ground.

Precision voltage and current monitors provide low-voltage representations of the high-voltage output and load current for monitoring purposes or for use as feedback signals in a closed loop system.

The remote high-voltage on/off feature provides a connection for a remote device to turn on/off the high-voltage output, making Model 10/40A-HS suitable for automated or computer-controlled systems. It is CE compliant.




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