High voltage amplifier








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Application notes

Application notes
Be sure to read our new application notes about driving MEMS and piezo actuators












WMA-280 Low noise high precision high voltage amplifier

The WMA-280 is a high voltage, low noise precision amplifier. Its specifications have been designed to serve the needs of a wide variety of high-tech experiments. The WMA-280 can be used for MEMS actuation, EO-modulators, as high voltage driver for PZT (piezo) positioners, ultrasonics, and many other applications. Its output noise is only 300 microVolt rms.
High voltage, wide bandwidth precision amplifier for MEMS
Specifications:
- High voltage 20.0x amplification up to +150V and -150V with respect to ground
- DC to 100kHz full-power bandwidth (-3dB) and 300mA output current
- Low output noise: 300 microVolt rms
- High precision: <0.1% amplification error
- Continuous short-circuit protection
- Stable with capacitive and resistive loads
- 1kOhm 0.1% input impedance with protection
- Differential and normal BNC input
- <0.1Ohms output impedance with fast current limit
- 230V/50Hz mains power
- Lead-free, environment-friendly construction

The WMA-280 high voltage amplifier is priced at EUR 2050.- (EU price)
Please ask for our educational and quantity discounts

Typically ships within a few weeks

High voltage amplifier WMA-280 - download flyer

High voltage amplifier WMA-280 - download user manual

General amplifier accessories




WMA series high voltage amplifiers

Double the WMA-280 output voltage by using two amplifiers in bridge mode

- The WMA-IB-HS phase inverter - buffer drives two HV amplifiers
- Maintain the precision, high speed and low noise of the amplifiers
- Switchable 50 Ohm /100 kOhm input for buffering low-current signals


WMA-IB-HS phase inverter - buffer EUR 395.- (EU price)