Table of Contents
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Table of Contents
Related Manuals for THORLABS PDB48*C-AC series
Summary of Contents for THORLABS PDB48*C-AC series
- Page 1 Balanced Amplified Photodetectors PDB48xC-AC Operation Manual 2019...
- Page 2 Version: Date: 14-Jan-2019 Item No.: M-0009-510-666 Copyright © 2019 Thorlabs...
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Page 3: Table Of Contents
3.6 Recommendations 4 Maintenance and Service 5 Appendix 5.1 Technical Data 5.1.1 Individual Diagrams PDB480C-AC 5.1.2 Individual Diagrams PDB481C-AC 5.2 Dimensions 5.3 Certifications and Compliances 5.4 Warranty 5.5 Copyright and Exclusion of Reliability 5.6 Thorlabs Worldwide Contacts and WEEE Policy... -
Page 4: Foreword
Paragraphs preceded by this symbol explain hazards that could damage the instrument and the connected equipment or may cause loss of data. Note This manual also contains "NOTES" and "HINTS" written in this form. Please read this advice carefully! © 2019 Thorlabs... -
Page 5: General Information
If necessary, ask for replacement pack- aging. Refer servicing to qualified personnel! Only with written consent from Thorlabs may changes to single components be made or components not supplied by Thorlabs be used. 1.2 Ordering Codes and Accessories PDB480C-AC 1.6 GHz, fixed gain, ultra-low distortion Balanced Amplified Photodetector with... -
Page 6: Installation
Note Please check prior to operation, if the indicated line voltage range on the power supply matches with your local mains voltage! If you want use your own power supply, Thorlabs offers an ap- propriate power connector cable. Carefully unpack the unit and accessories. If any damage is noticed, do not use the unit. -
Page 7: Operating Instruction
AC)! Exceeding this value will permanently destroy the detector! 3.1 Operating Principle Thorlabs PDB48xC-AC Balanced Amplified Photodetectors consist of two well-matched, pig- tailed photodiodes and an ultra-low noise, ultra-low distortion high-speed transimpedance amp- lifier that generates an output voltage (RF OUTPUT) proportional to the difference between the photo currents of the two photodiodes, i.e. -
Page 8: Optical Inputs
Take care for clean fiber connectors prior to attach them to the PDB48xC-AC's optical inputs! Clean and dust free connections are essential to minimize coupling loss and back reflections. 3.3 Electrical Outputs The Thorlabs PDB48xC-AC has three SMA output connectors: · MONITOR + · MONITOR - ·... -
Page 9: Mounting
The PDB48xC-AC is housed in a rugged shielded aluminum enclosure. For post mounting an adapter can be attached to the bottom or side surface using four M2x8 screws (see below). This adapter supports #8-32 as well as M4 post mounts. The M4 tread is marked. © 2019 Thorlabs... -
Page 10: Cmrr And Frequency Response
OUTPUT must be considered when calculating the CMRR - it is the difference between the RF OUTPUT signal at a given frequency and the measured common mode or balanced output sig- nal - at the same frequency. Typical measurement curves can be found in the individual tech- nical data. © 2019 Thorlabs... -
Page 11: Recommendations
· Another critical point can be electrostatic coupling of electrical noise associated with ground loops. In most cases an electrically isolated post (see Thorlabs parts TRE or TRE/M) will suppress electrical noise coupling. Always try to identify the electrical noise sources and in- crease the distance to the PDB48xC-AC Balanced Detector. -
Page 12: Maintenance And Service
The unit does not need a regular maintenance by the user. It does not contain any modules and/or components that could be repaired by the user himself. If a malfunction occurs, please contact Thorlabs for return instructions. Do not remove covers! To clean the PDB48xC-AC series housing, use a mild detergent and damp cloth. -
Page 13: Appendix
50 W loads. Monitor outputs conversion gain is given for the indic- ated operating wavelength and high impedance load. Typical frequency response curves are measured using the setup described in section "CMRR and Frequency Response" © 2019 Thorlabs... -
Page 14: Technical Data
Values for transimpedance and conversion gain are lossless gain values, i.e., losses introduced by FC/APC con- nectors (typically 0.15 to 0.35 dB) are not considered. All technical data are valid at 23 ± 5°C and 45 ± 15% rel. humidity (non condensing) © 2019 Thorlabs... -
Page 15: Individual Diagrams Pdb480C-Ac
5 Appendix 5.1.1 Individual Diagrams PDB480C-AC PDB480C-AC - Typical Detector Responsivity PDB480C-AC - Typical RF OUTPUT Frequency Response © 2019 Thorlabs... - Page 16 PDB48xC-AC PDB480C-AC - Typical MONITOR Output Frequency Response PDB480C-AC - Typical RF-OUTPUT Spectral Noise © 2019 Thorlabs...
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Page 17: Individual Diagrams Pdb481C-Ac
5 Appendix 5.1.2 Individual Diagrams PDB481C-AC PDB481C-AC - Typical Detector Responsivity PDB481C-AC - Typical RF OUTPUT Frequency Response © 2019 Thorlabs... - Page 18 PDB48xC-AC PDB481C-AC - Typical MONITOR OUTPUT Frequency Response PDB481C-AC - Typical RF-OUTPUT Spectral Noise © 2019 Thorlabs...
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Page 19: Dimensions
5 Appendix 5.2 Dimensions PDB48xC-AC Mechanical Drawing © 2019 Thorlabs... -
Page 20: Certifications And Compliances
PDB48xC-AC 5.3 Certifications and Compliances © 2019 Thorlabs... -
Page 21: Warranty
Thorlabs warrants material and production of the PDB48xC-AC for a period of 24 months start- ing with the date of shipment. During this warranty period Thorlabs will see to defaults by repair or by exchange if these are entitled to warranty. -
Page 22: Thorlabs Worldwide Contacts And Weee Policy
Contact Thorlabs for more information. Waste treat- ment is your own responsibility. “End of life” units must be returned to Thorlabs or handed to a company specializing in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site. - Page 23 www.thorlabs.com...
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