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8

 

 

 

Figure 11. Noise (about 0.2mV

pp

 or, equivalently, less than 0.1mV

rms

) and typical offset  

(+1.5mV) for the WMA-005LF 

 
 

Technical specifications

 

 
Amplification: 20x, fixed 
Bandwidth: DC – 20kHz @ -3dB large signal bandwidth (DC – 50Hz for the WMA-005LF) 
Power supply: 24V DC, 180mA, can be battery powered 
Output voltage: -75V to +75V 
Noise: <3mVrms noise over the full bandwidth typical for the WMA-005; -1.1mV offset typical 
Noise:  <0.1mVrms  noise  over  the  full  bandwidth  typical  for  the  WMA-005LF,  +1.5mV  offset 
typical 

Input impedance: 100kΩ 
Output impedance: 50kΩ 
Stability: stable with all capacitive and resistive loads, no overshoot > 5% 
Fuse: 1x 315mAT 230V 
Operating temperature: 10 – 40°C 
Storage temperature: 0 – 60°C 
Relative humidity: 10 – 90% non-condensing 
Maximum usage height: 2000m 
Dimensions: 50 x 100 x 26mm excl. BNC connectors 
Weight: 300g 
Country of origin: The Netherlands 
HS code: 8543 70 90 
 
Specifications may be subject to change. 
 
 

Summary of Contents for WMA-005

Page 1: ... 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 Its large voltage range makes it an excellent choice for use with MEMS devices EO modulators piezo actuator positioning systems beam steering components and many more The amplifiers full power frequency response has a 3dB corner freque...

Page 2: ...class III product Do not connect the amplifier to the mains safety earth If this is done the system becomes a class I apparatus with class III isolation which means that the protective insulation may be inadequate Doing so only under laboratory conditions is fully at the users risk Risk of electric shock The WMA 005 005LF should not be used above 2000m altitude to prevent electrical breakdown This...

Page 3: ...e connection can cause overshoot in the oscilloscope reading The amplifier is capable of amplifying above 9kHz and should not be used for telecommunication as described in the R TTE directive 95 5 EC To prevent unwanted radiation all cables should be kept shorter than 30m Noise and offset The WMA 005 is a low noise amplifier The output noise is typically below 3mV rms If this is not low enough the...

Page 4: ...tage Figure 3 Frequency response at 200mVpp output voltage 140 120 100 80 60 40 20 0 10 0 10 1 10 2 10 3 10 4 10 5 WMA 005 WMA 005LF Amplitude Vpp Frequency Hz 200 150 100 50 0 10 0 10 1 10 2 10 3 10 4 10 5 WMA 005 WMA 005LF Amplitude mVpp Frequency Hz ...

Page 5: ...5 Figure 4 150Vpp 1kHz square wave Figure 5 Full scale 10kHz square wave Figure 6 30mVpp 1kHz small square wave output signal ...

Page 6: ...6 0pF 470pF 2 2n 100pF 1nF 10nF Figure 7 Full power 1kHz square wave response with different capacitive loading conditions The 50kΩ output resistor limits the speed at which the capacitor can be charged ...

Page 7: ...0 Noise less than 10mVpp or equivalently less than 3mVrms and typical DC offset 1 1mV for the WMA 005 The high voltage generator frequency around 150kHz contributes considerable to the overall noise This measurement was performed with 1m of coaxial cable connected to the output ...

Page 8: ...h typical for the WMA 005 1 1mV offset typical Noise 0 1mVrms noise over the full bandwidth typical for the WMA 005LF 1 5mV offset typical Input impedance 100kΩ Output impedance 50kΩ Stability stable with all capacitive and resistive loads no overshoot 5 Fuse 1x 315mAT 230V Operating temperature 10 40 C Storage temperature 0 60 C Relative humidity 10 90 non condensing Maximum usage height 2000m Di...

Page 9: ...alfunction 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 wi...

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