Falco Systems WMA-200 User Manual Download Page 11 | Manualshive

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Figure 15b. 100pF load

Figure 15c. 1nF load

Figure 15d. 10nF load

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Summary of Contents for WMA-200

Page 1: ...ifier getting started The Falco Systems WMA 200 model is a high quality high voltage linear laboratory amplifier optimized for experiments requiring world class ultra low output noise The excellent no...

Page 2: ...afety This product is able to produce over 175V at more than 150mA at its output which is a very high level risk of electric shock Safety measures should be taken accordingly This is indicated by the...

Page 3: ...he BNC input Figure 1 Signals to be supplied to the BNC and differential connector A low noise amplifier like the WMA 200 model can never be made fully insensitive to input overload conditions as this...

Page 4: ...tions an effect related to the finite speed of light and current limiting due to the cable capacitance Although the amplifier itself remains fully stable using less than 3 meter of input and output ca...

Page 5: ...tive load box accessory can be ordered from Falco Systems for use with the amplifier which is connected in parallel with the load Fig 4 This will bring the noise down from its value of 50 Vrms with a...

Page 6: ...utput noise voltage versus capacitive load Fig 7 Noise and offset with and without capacitive load box Fig 8 Sine and triangle wave responses Fig 10 11 Square wave response Fig 12 13 14 Step response...

Page 7: ...nnected The corresponding signal bandwidths of the amplifier are DC 100kHz and DC 500Hz The noise and offset may appear to be slightly higher than shown here if the amplifier input is not differential...

Page 8: ...ave 300Vpp 1kHz Figure 12 Square wave 300Vpp 20kHz 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 Outp...

Page 9: ...Vpp step response 10 90 up in 4 4 s Figure 14b 300Vpp step response 10 90 down in 4 2 s Time s Output voltage V 0 4 0 2 0 0 0 2 0 4 100 80 60 40 20 0 Time s Output voltage V 150 100 50 0 50 100 150 10...

Page 10: ...onse 10 90 down in 3 8 s Figure 14 Unipolar and bipolar step response Figure 15a 0pF load Time s Output voltage V 140 120 100 80 60 40 20 0 10 5 0 5 10 Time s Output voltage V 140 120 100 80 60 40 20...

Page 11: ...5c 1nF load Figure 15d 10nF load Time s Output voltage V 150 100 50 0 50 100 150 100 80 60 40 20 0 Time s Output voltage V 150 100 50 0 50 100 150 100 80 60 40 20 0 Time s Output voltage V 150 100 50...

Page 12: ...pacitor can be charged The bandwidth adjustments of the amplifier with different capacitive loads preventing overshoot are clearly visible Note the difference of the horizontal timescale in the figure...

Page 13: ...Do not dispose of the WMA 200 amplifier as standard waste but bring it to a WEEE electronic waste collection point The amplifier has been built in compliance with the RoHS directive Warranty Falco Sy...

Page 14: ...ual version User manual version 1 6 Date February 24 2022 Falco Systems Falco Systems BV Remisestraat 1 2225 TH Katwijk aan Zee Phone 31 0 6 21840996 Email info falco systems com Website www falco sys...

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