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High-Voltage Amplifiers and Electrostatic Voltmeters

High-Voltage Amplifiers and Electrostatic Voltmeters

High-Voltage Amplifiers and Electrostatic Voltmeters

Product catalog summary
Overview: The TREK Products and Systems Catalog is a detailed guide to TREK's electrostatic measurement and high-voltage amplifier solutions, showcasing over 45 years of innovation and cost-effective solutions.
Applications: TREK products are used in sectors such as electrostatic imaging, environmental studies, military projects, R&D, materials science, photovoltaics, piezoelectronics, semiconductors, space/aviation, and custom OEM solutions. Applications include charge-to-mass ratio measurements, plasma emission studies, and wafer processing improvements.
Amplifiers:
  • Theory of Operation: TREK's amplifiers use proprietary circuitry for DC stability and wideband performance, featuring a four-quadrant class AB high-voltage output stage with MOS power transistors.
  • Driving Capacitive Loads: Formulas are provided for calculating peak current for capacitive loads, emphasizing the importance of selecting the right amplifier model based on voltage, current, and frequency.
  • Specifications: Amplifiers offer voltage ranges up to 120 kV peak-to-peak, current ranges to ±25 A, and bandwidths up to 2.6 MHz, with features like short circuit protection and low noise.
Models: Various amplifier models are listed with specifications tailored for applications like dielectric studies and piezoelectric driving.
Specifications: The document details voltage ranges, slew rates, frequency responses, and current capabilities for different models, emphasizing high current and DC stability.
Procedures: Describes the operation of electrostatic voltmeters using non-contact measurement techniques to avoid charge transfer.
Norms and Standards: Output accuracy is specified, with some models achieving better than 0.1% of full scale, using high-impedance technology for precision.
Recommendations: Suggests specific models for high sensitivity and high-speed measurements in R&D and industrial processes.
Key Features and Applications: Highlights Trek's Infinitron technology for ESD-sensitive components and lists various probe models for different applications.
Accessories: Includes AC adapters, carrying cases, and rack mount adapters to enhance usability.
Specifications: Details models like Model 370 and Model 370TR, with specifications for probe models, response speed, and noise levels.
ESD Products: Offers products for ESD management, including detectors and voltmeters, with the Model 212HS for charge-to-mass ratio testing.
Electrostatic Force Microscope: The Model 1100TN provides high spatial resolution voltage distribution measurements.
Compliance and Contact Information: Trek supports RoHS and WEEE initiatives, maintains ISO 9001:2008 certification, and provides contact information for the USA and Japan, noting CE compliance for most products.
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Catalog excerpts

High-Voltage Amplifiers and Electrostatic Voltmeters-1

Measurement and Power Solutions™ Products and Systems Catalog

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High-Voltage Amplifiers and Electrostatic Voltmeters-2

CUSTOM OEM Trek works closely with OEMs to expedite the transition of concepts into designs which are then commercialized into manufactured products to meet the OEM’s performance requirements. Trek products are utilized in multimillion dollar equipment to assure precise performance is attained regularly and reliably. Our OEM relationships extend to decades, not just months or years, assuring continuity and constancy. Please contact us for assistance with your next project and experience the excellence which only Trek can provide. For over forty-five years, TREK, INC. has been providing innovative...

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High-Voltage Amplifiers and Electrostatic Voltmeters-3

THEORY OF OPERATION - TREK’S HIGH-VOLTAGE POWER AMPLIFIERS DRIVING CAPACITIVE LOADS WITH TREK AMPLIFIERS T ­ rek high-voltage power amplifiers employ unique and As the stability of the closed-loop amplifier system is dependent In applications which involve driving capacitive loads, the useful bandwidth of the amplifier is often limited by the peak output current capability of the amplifier rather than the amplifier’s AC gain bandwidth characteristics. which features exceptional DC stability and excellent wideband temperature, and humidity, Trek employs an advanced thin film Engineers at Trek...

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High-Voltage Amplifiers and Electrostatic Voltmeters-4

HIGH-VOLTAGE POWER AMPLIFIERS POWER SUPPLIES HV FUNCTION GENERATORS TRANSCONDUCTANCE AMPLIFIERS Amplifier Output Voltage Range Outpu­­ Current t Model* (DC or peak AC) (DC or peak AC) Most models have all of the following controls and adjustments: Remote High-Voltage ON/OFF Control, Dynamic Adjustments for Waveforms, Current Limit/Trip O­ tions, Output Voltage and p Current Monitors Slew Rate (greater than) Large Signal Bandwidth (DC to greater than) Small Signal Bandwidth (DC to greater than) Special Features Typical Applications Precise high-voltage control with DC offset Dielectric studies,...

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HIGH-VOLTAGE POWER AMPLIFIERS POWER SUPPLIES HV FUNCTION GENERATORS TRANSCONDUCTANCE AMPLIFIERS Most models have all of the following controls and adjustments: Remote High-Voltage ON/OFF Control, Dynamic Adjustments for Waveforms, Current Limit/Trip O­ tions, Output Voltage and p Current Monitors Amplifier Output Voltage Range Outpu­­ Current t Slew Rate Model* (DC or peak AC) (DC or peak AC) (greater than) Large Signal Bandwidth (DC to greater than) Small Signal Bandwidth (DC to greater than) Special Features Typical Applications PIEZO DRIVERS High current Dielectric material characterization...

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High-Voltage Amplifiers and Electrostatic Voltmeters-6

ELECTROSTATIC VOLTMETERS THEORY OF OPERATION - TREK’S ELECTROSTATIC VOLTMETER SYSTEMS NONCONTACTING ELECTROSTATIC VOLTMETER Many very high impedance voltage measurements cannot be made using conventional contacting voltmeters because they require charge transfer to the voltmeter, thus causing loading and modification of the source voltage. For example, when measuring voltage distribution on a dielectric surface, any measurement technique that requires charge transfer, no matter how small, will modify or destroy the actual data. In these types of applications a different approach to voltage measurement...

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High-Voltage Amplifiers and Electrostatic Voltmeters-7

ELECTROSTATIC VOLTMETERS Electrostatic Output Voltage Range Speed of Response Voltmeter Model* (DC or peak AC) (10-90%) (less than) Voltage Monitor Output Accuracy (better than) Probe Models (order separately unless otherwise noted) 3450 Standard 3453/3455 High-Temperature, High-Vacuum Special Features Typical Applications High voltage, high speed Electrostatic research & development, charge accumulation monitoring of LCD production processes, monitoring surface potentials in electrostatic painting processes, electrostatic potential measurement on polymers, rubber, fabrics & paper Optional data...

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High-Voltage Amplifiers and Electrostatic Voltmeters-8

NONCONTACTING PROBES PROBES, ACCESSORIES AND OTHER PRODUCTS NONCONTACTING ELECTROSTATIC PROBE SELECTION TABLE Square body available with side/end view options. Standard Resolution Probes Available with side/end view options and round/square body options. Rack Mount Adapters High Temperature Probes (100°C) Side view available with round/square body options. Please contact Trek if you are interested in obtaining a carrying case for your portable Trek unit. Our standard case is provided with the appropriate internal cushioning to address most situations (to accommodate probes and other accessories...

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High-Voltage Amplifiers and Electrostatic Voltmeters-9

Motobayashi Building TREK, INC. supports the initiatives of both the “Restriction on the use of certain Hazardous Substances” (RoHS) in electrical and electronic equipment and the European Union on “Waste Electrical and Electronic Equipment” (WEEE). Trek product photos in this brochure are not necessarily shown at the same scale. Due to our continuous product quality improvement and customer satisfaction programs, TREK, INC. reserves the right to change specifications in this brochure without notice. CE compliant for most products PRODUCTS AND SYSTEMS CATALOG

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.