High voltage amplifiers

Low voltage DC / battery powered high voltage amplifier WMA-01

The Falco Systems WMA-01 is a high voltage amplifier that runs from an 18 – 30V DC power supply and can be battery powered if required, e.g. for use in a Faraday cage. Its internal high voltage generator is inductor-free and hence does not spread magnetic interference in sensitive experimental setups. The output noise is at this price level impressively low at 0.8mVrms. For extremely low noise applications where bandwidth is not an issue, a dedicated WMA-01LF version is available that contains an output low pass filter capacitor which reduces the bandwidth to 50Hz, but makes the noise drop to below 0.1mVrms. This bandwidth-limited amplifier is ideal for MEMS or piezo positioning with manual voltage adjustment requiring extremely low noise.

- High voltage 20x amplification up to +125V and -125V with respect to ground
- DC to 20kHz full-power bandwidth (-3dB) WMA-01
- DC to 50Hz full-power bandwidth (-3dB) WMA-01LF
- Low output noise: <1.5mVrms for the WMA-01 and <0.1mVrms for the WMA-01LF typical
- Continuous short-circuit protection
- No overshoot with capacitive loads and perfectly stable
- 100kOhm input impedance
- 50kOhm output impedance
- 50x100x26mm size
- 18V - 30V single DC power supply, 150mA max

The WMA-01 high voltage amplifier is EUR 560,- excl. BTW

High voltage amplifier WMA-01 - download flyer

High voltage amplifier WMA-01 - download user manual

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