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Summary of Contents for PiezoDrive PX200
- Page 1 PX200 – Power Amplifier Version 2.0 Manual and Specifications PX200 V2 Manual Rev 1.1, Released, 15-01-2018...
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Page 2: Table Of Contents
12 Bridged Mode ............................13 13 Overload and Shutdown .......................... 14 14 Front Panel Connectors ........................... 15 14.1 HV Output ............................16 14.2 LEMO OB Cable Assembly ......................17 15 Enclosure ..............................18 16 Warranty ..............................18 PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 3: Introduction
1 Introduction The PX200 is a low-noise voltage amplifier designed to drive capacitive and other loads from DC to hundreds of kHz. The output voltage range can be unipolar, bipolar, or asymmetric with a peak-to-peak value of between 50V and 200V. Two amplifiers can be connected in bridge-mode to provide ±200V or +400V. -
Page 4: Specifications
Power Supply 90 Vac to 250 Vac Mechanical Specifications Environment 0-40 C (32-104 F) Non-condensing humidity Dimensions 212 x 304.8 x 88 mm (8.35 x 12 x 3.46 in) Weight 2 kg (4.4 lb) PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 5: Output Voltage Range
Table 1. Voltage range configurations 5 Output Current The PX200 has a peak and average current limits as described in Table 1. The RMS current limit defines the maximum frequency that is achievable with a capacitive load. This topic is discussed in “Power Bandwidth”. -
Page 6: Pulse Current Option
For applications that require a high peak current, the peak current limit can be increased to 8 Amps by appending the order code with “-PULSE”, e.g. “PX200-V0,200-PULSE”. In this configuration, the average current limit remains the same; however, the peak current limit is increased to 8 Amps and the maximum pulse duration is reduced to the time listed in Table 2. -
Page 7: Power Bandwidth
In the above table, the frequencies limited by slew-rate are shaded grey. The slew-rate is approximately 35 V/uS which implies a maximum frequency of 35 × 10 ������ �� ���� �� �� In the following figures, the maximum peak-to-peak voltage is plotted against frequency and capacitance. PX200 V2 Manual Rev 1.1, Released, 15-01-2018... - Page 8 200V Range 150V Range 100V and 50V Range Figure 2. Maximum peak-to-peak voltage versus frequency and load capacitance PX200 V2 Manual Rev 1.1, Released, 15-01-2018...
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Page 9: Small Signal Bandwidth
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) PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 10: Noise
9.3 kHz 56 uV 132 uV 30 uF 3.7 kHz 52 uV 131 uV 100 uF 1.3 kHz 47 uV 129 uV Table 5. RMS noise versus load capacitance (0.03 Hz to 1 MHz) PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 11: Front Panel
High-voltage output signal LEMO 00 Output Output High-voltage output connector, suits LEMO FFA.00.250 cable plug LEMO 0B Output Output High-voltage output connector, suits LEMO FGG.0B.302 cable plug DC Output Volt. Display showing average output voltage PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 12: Amplifier Configuration
PCB mounted trim-pot. Offset Configuration Order Code Notes 0V to +200V Offset Range (default) ±200V Offset Range -OR2 Front panel source (default) PCB trim-pot source -OS2 Disables front panel adjustment Table 7. Offset configuration PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 13: Bridged Mode
1.5 A PX200-V100,100 PX200-V100,100-INV ±100V 3.1 A PX200-V50,50 PX200-V50,50-INV 0V to 200V 3.1 A PX200-V0,100 PX200-V100,0-INV 0V to 300V 2.0A PX200-V0,150 PX200-V150,0-INV 0V to 400V 1.5A PX200-V0,200 PX200-V200,0-INV Table 8. Common bridge-mode configurations PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 14: Overload And Shutdown
The amplifier can be shut down by an external source by applying a voltage of between +2V and +24V to the Shutdown input (relative to Input-). The impedance of the shutdown input is approximately 5 kΩ. PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 15: Front Panel Connectors
The LEMO 0B connector is recommended for applications requiring more than 1 Amp RMS output current. Preassembled LEMO cable assemblies are available from www.PiezoDrive.com A LEMO 00 to Female BNC adaptor cable (PD-00-FBNC-30) is supplied with the amplifier. PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 16: Hv Output
Bender actuators can be driven with a single bias voltage, for example 200 V, or a bipolar bias voltage, for example ±100 V. The ±100 V bipolar configuration is shown below. +100V -100V to +100V -100V PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 17: Lemo Ob Cable Assembly
2. If the cable is shielded, fold the shield back over the cable 3. Slide the strain relief, collet nut (1) and collet (3) onto the cable. 4. Solder or crimp the conductors onto the contacts. 5. Assemble the plug, as shown below. PX200 V2 Manual Rev 1.1, Released, 15-01-2018... -
Page 18: Enclosure
15 Enclosure The PX200 has a side air intake and rear exhaust, which can not be obstructed. If sufficient airflow is not available, the amplifier will enter a thermal overload state as discussed in “Overload and Shutdown”. The PX200 can be installed in a 19-inch x 2U rack space using the PX200-Rack1 kit. Two amplifiers can also be installed in a side-by-side configuration using the PX200-Rack2 kit.
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