The Model PZD700A high-voltage power amplifier from Trek Inc. (Medina, NY) addresses the need for high speed and fast settling when driving capacitive loads in piezoelectric driving/control, electro-optics, MEMS and other demanding applications such as laser modulation and ion beam control.

The amplifier provides a large signal bandwidth of 125 kHz (-3dB) and a small signal bandwidth greater than 250 kHz (-3dB). The amplifier’s design offers outstanding DC stability, high speed and precise control of output voltages (DC or peak AC) in the programmable ranges of 0 to ±700 V with an output current range of 0 to ±100 mA (bipolar model); 0 to +1.4 kV with ±50 mA (unipolar model); 0 to -1.4 kV with ±50 mA (unipolar model).

The four-quadrant, active output stage sinks or sources current into reactive or resistive loads throughout the output voltage range.

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