Power amplifier 20/20C

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The Model 20/20C is a DC-stable, high-voltage power amplifier used in industrial and research applications. It features an all solid- state design for high slew rate, wide bandwidth and low noise operation. The four-quadrant, active output stage sinks or sources current into reactive or resistive loads throughout the output voltage range. This type of output is essential to achieve an accurate output response and high slew rate demanded by a variety of loads such as highly capacitive or reactive loads. It is configured as a non-inverting amplifier. Trek’s Model 20/20C-HS offers 3x peak current, higher slew rate and bandwidth compared to the model 20/20C. Key Specifications Output Voltage: 0 to ±20 kV DC or peak AC Output Current: 0 to ±20 mA DC peak AC Slew Rate: Greater than 450 V/µs Large Signal Bandwidth: DC to greater than 7.5 kHz (-3dB) Gain: 2000 V/V Fixed Applications Electrostatic deflection Electrophoresis Electrorheological fluids Electro-optic modulation Material poling AC or DC biasing Ion beam steering Particle accelerators Mass spectrometers Material characterization Ferroelectrics Atmospheric plasma Dielectric barrier discharge Features and Benefits Four-quadrant output for driving capacitive loads Closed loop system for high accuracy Short-circuit protected for equipment protection All solid-state design for maintenance free operation DC-stable for programmable supply applications Low output noise for ultra-accurate outputs CE compliant (230 VAC unit only) NIST-traceable Certificate of Calibration provided with each unit