wma 280 datasheet0 pages

WMA-280
DC – 100kHz High Voltage Amplifier WMA-280
www.falco-systems.com
www.falco-systems.com
falco

-150V to +150V output
DC to 100kHz at -3dB full
power bandwidth
300µVrms output noise only
Precision amplifier:
20x ±0.1% amplification and both
BNC and differential input
±300mA Output current limit
Short-circuit protected
output
For MEMS devices, EOmodulators, PZT (piezo)
positioning, beam steering,
ultrasonic systems, …
The Falco Systems WMA-280 is a low noise, precision

The amplifier has both a standard BNC and a differential

high

demanding

input with a Thomas & Betts multi-pole connector. The

applications. Its good voltage precision, low output noise

latter can be used when lowest noise and interference

and large voltage range make it an excellent choice when

performance is required (the amplifier comes with a contra-

high precision is important. It can be used for precise

connector for easy interfacing to other equipment). The 20x

positioning of MEMS devices, with EO-modulators, PZT

amplification is accurate to within 0.1%.

(piezo)

Output overload or short-circuit conditions are no problem,

voltage

laboratory

driver

positioning

amplifier

for

systems,

beam

steering

components, ultrasonics, and many more.

due to the extremely fast output current limiting circuit that

The offset and noise specifications of this amplifier are

has been employed. The amplifier is suitable for capacitive

such, that with typical electrostatically actuated MEMS or

resistive loads.

as piezo driver, a positioning accuracy of sub-atomic
dimensions can be easily achieved.

0.28

Integrated noise (mV rms)

Output amplitude (Volt)

300
250
200
150
100
50

0.26
0.24
0.22
0.20
0.18
0.16
0.14
0.12

0
2

10

1

2

10

3

10

10

4

5

10

6

10

10

3

10

4

10

5

10

Frequency (Hz)

Frequency (Hz)

Frequency response (300Vpp)

Integrated output noise spectrum

6

10