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TD250

– 6 Channel 250V Amplifier

Manual and Specifications

PiezoDrive Pty. Ltd.

www.piezodrive.com

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Summary of Contents for TD250

Page 1: ...1 TD250 6 Channel 250V Amplifier Manual and Specifications PiezoDrive Pty Ltd www piezodrive com ...

Page 2: ...ngs Notes 3 3 Specifications 4 4 Channel Configuration 5 5 Bridged Load Configuration 6 6 Power Bandwidth 8 7 Small Signal Frequency Response 10 8 Noise 11 9 Overload Protection 11 10 Breakout Box Cables 12 11 Enclosure 13 12 Warranty 13 ...

Page 3: ...uators standard piezoelectric actuators and bender actuators Applications include nanopositioning microscopy electro optics vibration control and piezoelectric motors The output connector is an industry standard 9 Pin D Sub connector A breakout board is also available which provides BNC connectors for each output and a plug in screw terminal connector OEM and customized versions are also available...

Page 4: ...idth 50 kHz Power Bandwidth 20 kHz 400 Vp p Max Power 25 W Noise 50uV RMS 100nF Load Protection Over current protection Input Impedance 100 kΩ Input Connectors BNC Output Connectors 9 Pin D Sub Power Supply 90 Vac to 250 Vac Mechanical Environment 0 to 40 C 32 to 104 F Non condensing humidity Dimensions 275 x 141 x 64 mm 10 8 x 5 5 x 2 5 in Weight 1 kg 2 2 lb ...

Page 5: ...0 INV The front panel output connector is an industry standard 9 Pin Female D Sub Connector TE 3 1634584 2 Any Male 9 Pin D Sub connector is compatible The connector pinout is shown below Signal Connector Pin Output 1 5 Output 2 9 Output 3 4 Output 4 8 Output 5 3 Output 6 7 Ground 1 2 6 25 Out1 In1 25 Out2 In2 25 Out3 In3 25 Out4 In4 25 Out5 In5 25 Out6 In6 25 Out1 In1 25 Out2 25 Out3 In3 25 Out4 ...

Page 6: ...c material which is usually five times the negative electric field strength Care must be taken not to apply positive voltages to the internal electrode since this can risk depolarization if the tube voltage limit is less than 500V which is commonly true for tubes less than 1 2mm thick Figure 1 Driving piezoelectric tubes Another common electrode configuration uses a separate circumferential electr...

Page 7: ...s illustrated below Figure 2 Bridged configuration using TD250 INV In the bridged configuration the power bandwidth can be assessed by using the full peak to peak load voltage in the calculator or by doubling the effective capacitance 25 Out1 In1 25 Out2 Piezo 1 25 Out3 In3 25 Out4 Piezo 2 25 Out5 In5 25 Out6 Piezo 3 ...

Page 8: ...𝑝𝑘 𝜋 Since the average current limit of the TD250 is 10 mA the maximum frequency sine wave or power bandwidth of the TD250 is equal to 𝑓 0 01 𝑉 𝑝𝑝𝐶 The above result is true for any periodic waveform such as triangular signals The RMS current for a sine wave can also be related to the average current 𝐼𝑎𝑣 2 𝜋 𝐼𝑟𝑚𝑠 The power bandwidths for a range of load capacitance values are listed below Load Peak...

Page 9: ...roximately 30 V uS which implies a maximum frequency of 𝑓𝑚𝑎𝑥 30 106 𝜋𝑉 𝑝𝑝 In the following figure the maximum frequency periodic signal is plotted against the peak to peak voltage Figure 3 Power bandwidth versus voltage and load capacitance 10 0 10 1 10 2 10 3 10 4 0 100 200 300 400 500 600 Frequency Hz Peak to Peak Voltage V 300 nF 1 uF 3 uF 3 nF 30 nF 100 nF 10 nF ...

Page 10: ...d 100 kHz 3 nF 39 kHz 10 nF 14 kHz 30 nF 5 1 kHz 100 nF 1 5 kHz 300 nF 520 Hz 1 uF 150 Hz Figure 5 Small signal bandwidth versus load capacitance 3dB 10 1 10 2 10 3 10 4 10 5 10 6 20 0 20 40 Gain dB 10 1 10 2 10 3 10 4 10 5 10 6 100 50 0 Frequency Hz Phase degrees 300 nF 1 uF 3 uF 3 nF 100 nF 30 nF 10 nF ...

Page 11: ... of the low and high frequency components that is 𝜎 𝜎𝐿𝐹 2 𝜎𝐻𝐹 2 Load Cap Bandwidth HF Noise RMS Total Noise RMS No Load 100 kHz 130 uV 139 uV 3 nF 39 kHz 80 uV 94 uV 10 nF 14 kHz 50 uV 71 uV 30 nF 5 1 Hz 30 uV 58 uV 100 nF 1 5 Hz 40 uV 64 uV 300 nF 520 Hz 50 uV 71 uV 1 uF 150 Hz 70 uV 86 uV Table 2 RMS noise versus load capacitance 0 03 Hz to 1 MHz 10 Overload Protection Each channel is independen...

Page 12: ...eakout box A number of 300 V D Sub cables are available for the amplifier All are supplied with at least one 9 Pin D Sub connector for connecting to the amplifier The second connector is either a D Sub connector for connecting to the breakout box or free wires Connector 2 Length Order Code 9 Pin Male 75 cm DSUB9 MM 75cm 9 Pin Male 150 cm DSUB9 MM 150cm Free Wires 75 cm DSUB9 MW 75cm Free Wires 150...

Page 13: ...intake and rear exhaust These vents should not be obstructed 13 Warranty PiezoDrive amplifiers are guaranteed for a period of 3 months The warranty does not cover damage due to misuse or incorrect user configuration of the amplifier 64 mm 141 mm 275 mm ...

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