PX200 V5 Manual
1
13/05/2022
PX200 Power Amplifier
Manual and Specifications
Hardware Version 5
Revision History
Date
Revision
By
Changes
15/05/22 1
KB
Document published
Page 1: ...PX200 V5 Manual 1 13 05 2022 PX200 Power Amplifier Manual and Specifications Hardware Version 5 Revision History Date Revision By Changes 15 05 22 1 KB Document published ...
Page 2: ...Current 5 5 Power Bandwidth 5 6 Pulse Current Option 7 7 Specifications 8 8 Small Signal Bandwidth 9 9 Noise 10 10 Front Panel 11 11 Signal Path 12 12 Voltage Limits 13 13 Bias Outputs and Piezo Benders 13 14 Overload and Shutdown 13 15 Bridged Mode 15 16 Rack Mounting 16 17 Delivery Contents 16 18 Warranty 16 ...
Page 3: ...he power supply voltages A range of front panel controls provide maximum application flexibility these include input signal inversion variable gain DC offset and variable voltage limits A 9 pin DSUB connector on the front panel includes signals for the input voltage monitor current monitor shutdown monitor and shutdown command A four digit LCD screen also displays the DC voltage The output connect...
Page 4: ...00 100 50 2 1 4 10 10 A PX200 N100 P50 100 0 3 1 6 13 10 A PX200 N100 150 0 2 1 4 10 15 A PX200 N150 200 0 1 6 3 9 20 A PX200 N200 0 175 1 8 3 10 20 B PX200 P175 25 150 1 8 3 10 15 B PX200 N25 P150 25 100 2 7 4 10 10 B PX200 N25 P100 75 100 1 8 3 10 10 B PX200 N75 P100 75 50 2 7 4 10 10 B PX200 N75 P50 0 125 2 7 4 10 15 D PX200 P125 25 125 2 1 4 10 15 D PX200 N25 P125 75 75 2 1 4 10 10 D PX200 N75...
Page 5: ...ring short circuit the output current is limited to the rated maximum The peak current can be drawn for up to five milliseconds before the output is disabled for three seconds The average current limit has a time constant of ten milliseconds and is reset 50 milliseconds after a previous current pulse This behaviour is described in Section 13 Higher peak currents are achievable with the PULSE optio...
Page 6: ...nt and load capacitance The power bandwidth for a range of capacitive loads is listed below Load 50 Vp p 75 Vp p 100 Vp p 125 Vp p 150 Vp p 175 Vp p 200 Vp p 10 nF 222930 148620 111465 89172 74310 63694 55732 30 nF 222930 148620 111465 89172 74310 63694 55732 100 nF 222930 148620 111465 89172 62000 45714 35000 300 nF 160000 82667 46667 32000 20667 15238 11667 1 uF 48000 24800 14000 9600 6200 4571 ...
Page 7: ...isted in Table 1 and summarized in Table 3 The output voltage span is the peak to peak output voltage range e g the voltage span for the 50V to 150V range is 200V Output Voltage Span Pulse Current Pulse Time 200 Vp p 9 A 150 us 175 Vp p 10 A 155 us 150 Vp p 10 A 180 us 125 Vp p 10 A 236 us 100 Vp p 13 A 211 us 75 Vp p 13 A 286 us 50 Vp p 13 A 378 us 25 Vp p 13 A 378 us Table 3 Maximum peak current...
Page 8: ...d Any Noise 150 uV RMS 10uF Load 0 03 Hz to 1 MHz Protection Continuous short circuit thermal Voltage Monitor 1 20 V V Current Monitor 1 5 V A if peak current is 6 Amps or less 0 5 V A if peak current is greater than 6 Amps Input Impedance 48 7 kOhms Output Impedance 1 5 Ohms Output Connectors LEMO 0B LEMO 00 Screw Terminals BNC Power Supply 90 Vac to 250 Vac Environment 0 40 C 32 104 F Non conden...
Page 9: ...of load capacitances Load Capacitance Bandwidth 10 nF 393 kHz 30 nF 431 kHz 100 nF 367 kHz 300 nF 208 kHz 1 uF 88 kHz 3 uF 30 kHz 10 uF 9 3 kHz 30 uF 3 7 kHz 110 uF 1 3 kHz Table 4 Small signal bandwidth versus load capacitance 3dB 10 3 10 4 10 5 10 6 20 10 0 10 20 30 Magnitude dB 10 3 10 4 10 5 10 6 250 200 150 100 50 0 50 100 Phase deg Frequency Hz 300 nF 1 uF 3 uF 10 uF 30 uF 100 nF 30 nF 10 nF...
Page 10: ...o 20 Hz The high frequency noise 20 Hz to 1 MHz is listed in the table below versus load capacitance The total RMS noise from 0 03 Hz to 1 MHz is found by summing the RMS values that is 𝜎 𝜎𝐿𝐹 2 𝜎𝐻𝐹 2 For a load capacitance of less than 1 uF the noise is primarily broadband thermal noise however for a capacitance of greater than 1 uF the noise is primarily due to low frequency noise Load Bandwidth ...
Page 11: ...e middle position Voltage Limits Limits the maximum negative and positive output voltage Voltage Monitor Output The measured output voltage scaled by 1 20 Current Monitor Output The measured output current 1 5 V A or 0 5 V A See Section 7 Bias Output DC Bias connected to the negative high voltage power supply rail Bias Output DC Bias connected to the positive high voltage power supply rail Ground ...
Page 12: ...6 Figure 4 Front view of auxiliary signals connector Signal Pin Function Input 1 Input signal Input 2 Ground for input signal Voltage Monitor 3 Voltage monitor Current Monitor 4 Current monitor Ground 5 Ground Shutdown 6 2V to 20V disables the amplifier Shutdown Monitor 7 5V when the amplifier is shutdown NC 8 9 Not connected Table 6 Auxiliary signals pinout 11 Signal Path Figure 5 Signal path wit...
Page 13: ...overload indicator will illuminate and the Shutdown Monitor signal is 5V During an overload or shutdown state the output is partially disabled and may float at approximately 50 of the voltage range When the amplifier is switched on the overload protection circuit is engaged by default and clears after three seconds The amplifier can be shut down by an external source by applying a voltage of betwe...
Page 14: ...he peak to peak displacement of the bender To reduce the maximum DC voltage a negative bias voltage can be used as shown in Figure 7 Figure 7 200V Parallel poled bender driven with dual bias sources In Figure 7 the deflection is 𝛿 𝑉𝑖𝑛 10 𝛿𝑝𝑝 where 𝛿𝑝𝑝 is the peak to peak displacement of the bender References 1 A New Electrical Configuration for Improving the Range of Piezoelectric Bimorph Benders ...
Page 15: ...ts in bridge mode are identical to normal operation The power bandwidth calculator can also be used for predicting bridge mode performance by entering the total voltage across the load For the example in Figure 8 the total peak to peak output voltage is 400V When entering this value to the calculator an error will be shown since 400V is greater than the voltage span of a single amplifier however t...
Page 16: ...The double rack kit is assembled in the factory and includes coupling screws for the enclosure the same handles as the single rack kit and Figure 9 Single rack kit showing the amplifier on left and the rack adaptor on right 17 Delivery Contents PX200 amplifier with plug in screw terminal installed IEC C13 power cable suited to the shipping destination 18 Warranty PiezoDrive amplifiers are guarante...
