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677B High-Voltage Power Amplifier/Supply


Catalog excerpts

677B High-Voltage Power Amplifier/Supply - 1

The Model 677B is a high-voltage power amplifier/supply designed to provide precise control of output voltages. It can be operated in one of two modes: as a high-voltage amplifier when it is configured as a noninverting amplifier with a fixed gain or as high-voltage power supply that responds to front panel controls to command exact output voltage or current. The 677B features an all-solid-state design for wide bandwidth, high slew rate 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. • Output Voltage Range: • Output Current Range: • Slew Rate: • Large Signal Bandwidth (1% distortion): • DC Voltage Gain : Key Specifications 0 to ±2 kV DC or peak AC 0 to ±5 mA DC or peak AC Greater than 15 V/ps DC to greater than 1.2 kHz 200 V/V Typical Applications Include • Electrostatic beam deflection • Electrooptic modulation • Electrophoresis research • Piezoelectric poling and driving Features and Benefits • Operable as a high-voltage amplifier (in a noninverting configuration) or as a high-voltage power supply • 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 • NIST-traceable Certificate of Calibration provided with each unit • compliant TREK, INC. • 190 Walnut St • Lockport, NY 14094 • USA • 800-FOR TREK 716-438-7555 • 716-201-1804 (fax) • •

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677B High-Voltage Power Amplifier/Supply - 2

Output Voltage Output Current Input Voltage Range Input Impedance 0 to ±2 kV DC or peak AC 0 to ±5 mA DC or peak AC 0 to ±10 V DC or peak AC 10 kW, nominal DC Voltage Gain DC Voltage Gain Accuracy DC Offset Voltage Output Noise Slew Rate (10% to 90%, typical) Settling Time (to 1%) Large Signal Bandwidth (1% distortion) Small Signal Bandwidth (-3dB) 200 V/V Better than 0.1% of full scale Less than 5 mV Less than 100 mV rms* Greater than 15 V/ps Less than 300 ps for a 2 kV step DC to greater 1.2 kHz DC to greater than 5 kHz Stability Drift with Time Drift with Temp Voltage Monitor Ratio DC...

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