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THORLABS PDB440A Скачать руководство пользователя страница 4

© 2019 Thorlabs

We aim to develop and produce the best solution for your application
in the field of optical measurement technique. To help us to live up to
your expectations and constantly improve our products we need
your ideas and suggestions. Therefore, please let us know about
possible criticism or ideas. We and our international partners are
looking forward to hearing from you.

Thorlabs GmbH

Warning

Sections marked by this symbol explain dangers that might result in
personal injury or death. Always read the associated information
carefully, before performing the indicated procedure.

Please read this advice carefully!

This manual also contains "NOTES" and "HINTS" written in this form.

Attention

Paragraphs preceded by this symbol explain hazards that could
damage the instrument and the connected equipment or may cause
loss of data.

Note

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Содержание PDB440A

Страница 1: ...Balanced Amplified Photodetectors PDB440A PDB440A AC PDB440C PDB440C AC PDB450A PDB450A AC PDB450C PDB450C AC Operation Manual 2019...

Страница 2: ...Version Date Item No 2 4 08 Apr 2019 M0009 510 1043 Copyright 2019 Thorlabs...

Страница 3: ...Electrical Outputs 9 3 4 Mounting 9 3 5 AC Coupling of the Outputs 10 3 6 CMRR and Frequency Response 11 3 7 Recommendations 4 Maintenance and Service 12 5 Appendix 13 14 5 1 Technical Data 16 5 1 1 P...

Страница 4: ...nternational partners are looking forward to hearing from you Thorlabs GmbH Warning Sections marked by this symbol explain dangers that might result in personal injury or death Always read the associa...

Страница 5: ...ing the equipment is the responsibility of the assem bler of the system All statements regarding safety of operation and technical data in this instruction manual will only apply when the unit is oper...

Страница 6: ...peration manual 2 2 Preparation Note Prior to operation please check if the indicated line voltage range on the power supply matches with your local mains voltage If you want use your own power supply...

Страница 7: ...a digital voltmeter or other low frequency measurement device After finishing measurements turn the power supply off Note To prevent saturation of the balanced amplifier make sure that the power diffe...

Страница 8: ...r Corning SMF28TM single mode fibers with PC connectors When using FC APC connectors minimal alignment errors may occur due to the small detector size this may result in reduced output signal In this...

Страница 9: ...detector mode the RF OUTPUT swing de pends on which INPUT is used it is positive for INPUT and negative for INPUT Please be aware that PDB440 and PDB450 have opposite optical input connectors for and...

Страница 10: ...e output signal should not exceed the maximum output voltage to avoid saturation Therefore the optical input power or the power difference between the optical inputs should not exceed CW Saturation Po...

Страница 11: ...s to improve the measurement capabilities in applications where a compar ably weak frequency modulated signal shall be measured on a strong CW background signal which could saturate the amplifier With...

Страница 12: ...e inputs of the DuT for example using S120 FC adapters One of the DuT s outputs is connected to the network analyzers Port B Frequency response measurements The frequency response of each signal path...

Страница 13: ...nt for common mode noise suppression especially at higher frequencies Any path length difference will introduce a phase difference between the two signals which will decrease the noise reduction capab...

Страница 14: ...ects the photodiode Attention To avoid damage to the instrument do not expose it to spray liquids or solvents The unit does not need a regular maintenance by the user It does not contain any modules a...

Страница 15: ...o NEP Noise Equivalent Power is the minimum input optical power to generate a photo cur rent equal to the RMS noise current in a 1 Hz bandwidth NEP is essentially the minimum detectable power It is st...

Страница 16: ...4 6V 1 10V 1 MONITOR Outputs Impedance 220 W Voltage Swing max 10 V high impedance load 1 55 V 50 W load Bandwidth DC to 1 MHz Conversion Gain 10 V mW peak responsivity Voltage Noise 180 VRMS DC Offs...

Страница 17: ...al Detector responsivity curves Typical Si Detector responsivity PDB440A PDB450A Typical InGaAs Detector responsivity PDA440C PDB450C Typical Monitor Output Frequency Response PDB440 and PDB450 Series...

Страница 18: ...CMRR 35 dB RF OUTPUT Transimpedance Gain 1 51 103 V A RF OUTPUT Conversion Gain 2 27 103 V W 51 103 V W RF OUTPUT DC Offset 3 mV CW Saturation Power 130 W 820 nm 70 W 1550 nm Minimum NEP DC to 15 MHz...

Страница 19: ...2019 Thorlabs 5 Appendix 17 PDB440A RF OUTPUT Spectral Noise PDB440A RF OUTPUT Spectral Noise PDB440C Typical RF OUTPUT Frequency Response PDB440C Typical RF OUTPUT Frequency Response...

Страница 20: ...2019 Thorlabs 18 PDB440x and PDB450x detectors PDB440C RF OUTPUT Spectral Noise PDB440C RF OUTPUT Spectral Noise...

Страница 21: ...1 105 V W 1 106 V W 1 107 V W RF OUTPUT DC Offset 15 mV CW Saturation Power 9 mW 820 nm 4 5 mW 1550 nm Minimum NEP DC to 0 1 MHz Gain 107 V A DC to 0 3 MHz Gain 106 V A DC to 4 MHz Gain 105 V A DC to...

Страница 22: ...PDB450x detectors PDB450A RF OUTPUT Spectral Noise PDB450A RF OUTPUT Spectral Noise at different gain settings PDB450C Typical RF OUTPUT Frequency Response PDB450C Typical RF OUTPUT Frequency Respons...

Страница 23: ...2019 Thorlabs 5 Appendix 21 PDB450C RF OUTPUT Spectral Noise PDB450C RF OUTPUT Spectral Noise at different gain settings...

Страница 24: ...2019 Thorlabs 22 PDB440x and PDB450x detectors 5 2 Dimensions Mechanical Drawing PDB440...

Страница 25: ...2019 Thorlabs 5 Appendix 23 Mechanical Drawing PDB450...

Страница 26: ...2019 Thorlabs 24 PDB440x and PDB450x detectors 5 3 Certifications and Compliances...

Страница 27: ...ion manual or the technical data of the de scribed unit at any time 5 5 Copyright and Exclusion of Reliability Thorlabs has taken every possible care in preparing this document We however assume no li...

Страница 28: ...zil Tel 55 16 3413 7062 Fax 55 16 3413 7064 www thorlabs com Email brasil thorlabs com Japan Thorlabs Japan Inc 3 6 3 Kitamachi Nerima ku Tokyo 179 0081 Japan Tel 81 3 6915 7701 Fax 81 3 6915 7716 www...

Страница 29: ...www thorlabs com...

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