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Harmonized standards 

 
This  product  complies  with  the  following 
standards: 
 
Safety:  EN61010-1 
EMC:   EN61326 
FCC:   47 CFR 15 
 

   

 

 
 

 

WEEE and RoHS 

 
Do not dispose of the WMA-100A amplifier 
as  standard  waste,  but  discard  it  at  a 
WEEE  electronic  waste  collection  point. 
The amplifier has been built in compliance 
with the RoHS directive. 
 
 

Warranty 

 
Falco  Systems  products  are  guaranteed 
against  malfunction  due  to  defects  in 
materials or workmanship for a period of 1 
year from the date on the invoice. 
If  a  malfunction  occurs  during  this  period, 
the  product  will  be  repaired  or  replaced 
without  charge.  The  product  will  be 
returned  to  the  customer  free  of  charge. 
The warranty does not apply to: 
- Exterior finish or appearance. 
- Malfunction of the product resulting from 
use  or  operation  in  other  ways  than 
specified in the user manual. 
- Malfunctioning due to misuse or abuse of 
the product. 
- Malfunctioning occurring after changes or 
repairs  have  been  made  by  anyone  other 
than Falco Systems. 
 
To  obtain  warranty  service,  inform  Falco 
Systems via 

info@falco-systems.com

  

You  will  receive  support  and  further 
instructions. 
 
 Falco  Systems  will  not  be  liable  for  any 
consequential damages, including, without 
limitation, devices or equipment connected 
to  the  product,  injury  to  persons  or 
property  or  loss  of  use.  For  more  details 
see  the  Falco  Systems  Standard  Terms 
and Conditions of Sale, which can also be 
downloaded on 

www.falco-systems.com

 

 

User manual version 

 
User manual version: 1.0 
Date: October 26, 2021 
 

Falco Systems 

 
Falco Systems BV 
Remisestraat 1   
2225 TH Katwijk aan Zee 
The Netherlands 
 
Phone:    +31 (0)6 21840996 

 

Email:     

info@falco-systems.com

  

Website: 

www.falco-systems.com

  

 

 

Summary of Contents for WMA-100A

Page 1: ...alco Systems WMA 100A model is a high quality cost effective high voltage linear laboratory amplifier Its wide bandwidth and large voltage range make it an excellent choice for use with MEMS devices E...

Page 2: ...e for indoor use in a class II environment domestic light industrial Non sinusoidal mains power generators cannot be used to power this product Detailed properties of the WMA 100A high voltage amplifi...

Page 3: ...t a 50W coaxial load resistor to the input Fig 2 The noise voltage at the output can be measured using a sensitive amplifier The output noise will be lower when the bandwidth of the amplifier is reduc...

Page 4: ...es should be used for connecting both the input and the output and their length should be minimized If not the cables will cause overshoot due to cable reflections an effect related to the finite spee...

Page 5: ...ferent capacitive loads Figure 6 Sine wave 300Vpp 1kHz Frequency Hz Amplification factor 20 15 10 5 0 10 2 10 3 10 4 10 5 10 6 10 7 0pF 100pF 1nF 10nF 100nF 1uF 10uF 20 15 10 5 0 10 2 10 3 10 4 10 5 1...

Page 6: ...wave 300Vpp 1kHz Figure 9 Square wave 300Vpp 100kHz Time ms Output voltage V 150 100 50 0 50 100 150 2 0 1 5 1 0 0 5 0 0 Time ms Output voltage V 150 100 50 0 50 100 150 2 0 1 5 1 0 0 5 0 0 Time s Ou...

Page 7: ...tep response are shown Figure 11a 300Vpp step response 10 90 up in 0 8 s Figure 11b 300Vpp step response 10 90 down in 0 8 s Time s Output voltage V 0 4 0 2 0 0 0 2 0 4 20 15 10 5 0 Time s Output volt...

Page 8: ...mits the speed at which the capacitor can be charged The bandwidth adjustments of the amplifier with different capacitive loads preventing overshoot are clearly visible Note the difference of the hori...

Page 9: ...gure 12c 1nF load Figure 12d 10nF load Time s Output voltage V 150 100 50 0 50 100 150 20 15 10 5 0 Time s Output voltage V 150 100 50 0 50 100 150 40 30 20 10 0 Time s Output voltage V 150 100 50 0 5...

Page 10: ...12f 1 F load Figure 12g 10 F load Time ms Output voltage V 150 100 50 0 50 100 150 2 0 1 5 1 0 0 5 0 0 Time ms Output voltage V 150 100 50 0 50 100 150 20 15 10 5 0 Time ms Output voltage V 150 100 5...

Page 11: ...ith a true rms voltmeter in DC 10MHz with the offset control switched to On In addition to the noise the short term drift of the offset is around 5mV Figure 15 Rms output noise voltage versus capaciti...

Page 12: ...apacitive and resistive loads no overshoot 5 Power 230V 50Hz AC 50W or 115V 60 Hz AC 50W Mains fuse 2x 0 25A 250V slow blow 230V version or 2x 0 5A 250V slow blow 115V version Safety Class I requires...

Page 13: ...he product resulting from use or operation in other ways than specified in the user manual Malfunctioning due to misuse or abuse of the product Malfunctioning occurring after changes or repairs have b...

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