THORLABS PDA36A2 User Manual Download | Manualshive

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PDA36A2
Si Switchable Gain
Detector

User Guide

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Summary of Contents for PDA36A2

Page 1: ...PDA36A2 Si Switchable Gain Detector User Guide ...

Page 2: ...ity 4 4 3 Dark Current 4 4 4 Bandwidth and Response 5 4 5 Terminating Resistance 5 4 6 Gain Adjustment 5 Chapter 5 Troubleshooting 6 Chapter 6 Specifications 7 6 1 Response Curve 9 6 2 Mechanical Drawing 10 Chapter 7 Certificate of Conformance 11 Chapter 8 Regulatory 12 8 1 Waste Treatment is Your Own Responsibility 12 8 2 Ecological Background 12 Chapter 9 Thorlabs Worldwide Contacts 13 ...

Page 3: ... Symbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or chassis Terminal Equipotentiality On Supply Off Supply In Position of a Bi Stable Push Control Out Position of a Bi Stable Push Control Caution Risk of Electric Shock Caution Hot Surface Caution Risk of Danger Warning Laser Radiation Caution ESD Se...

Page 4: ...oad impedances up to 5 V The PDA36A2 housing includes a removable threaded coupler SM1T1 and retainer ring SM1RR that is compatible with any number of Thorlabs 1 threaded accessories This allows convenient mounting of external optics light filters apertures as well as providing an easy mounting mechanism using Thorlabs cage assembly accessories ESD Caution The components inside this instrument are...

Page 5: ...or maximum performance Connect the remaining end to a measurement device such as an oscilloscope or high speed DAQ card Caution Many high speed oscilloscopes have input impedances of 50 Ω In this case do not install a 50 Ω terminator The combined loads will equal 25 Ω which could allow 135 mA of output current This will damage the output driver of the PDA36A2 5 Power the PDA36A2 on using the power...

Page 6: ...edance Amplifier does control the dark current flowing out Looking at the figure above it can be noted that Point B is held at ground and the amplifier will try to hold point A to Virtual Ground This minimizes the effects of dark current present in the system The dark current present is also affected by the photodiode material and the size of the active area Silicon devices generally produce low d...

Page 7: ...10 V for high impedance loads i e RLoad 5 kΩ and 5 V for 50 Ω loads Adjust the gain so that the measured signal level out of the PDA36A2 is below 10 V 5 V with a 50 Ω load to avoid saturation For low terminating resistors 5 kΩ or 1 error an additional factor needs to be considered The output of the PDA includes a 50 Ω series resistor Rs The output load creates a voltage divider with the 50 Ω serie...

Page 8: ...g a Voltage measurement device Verify that the optical signal wavelength is within the specified wavelength range Verify that the optical signal is illuminating the detector active area Output Voltage will not increase Detector Output is skewed Check to make sure the detector is not saturated Refer to the Output Voltage spec in the Specifications table Install a 1 Lens Tube SM1L10 to the thread co...

Page 9: ... 12 W Hz Offset 6 mV Typ 10 mV Max Offset 6 mV Typ 10 mV Max 20 dB Setting 60 dB Setting Gain Hi Z 1 5 x 104 V A 2 Gain Hi Z 1 5 x 106 V A 5 Gain 50 Ω 0 75 x 104 V A 2 Gain 50 Ω 0 75 x 106 V A 5 Bandwidth3 1 MHz Bandwidth3 9 kHz Noise RMS 207 μV Noise RMS 277 μV NEP p 3 4 x 10 12 W Hz NEP p 4 x 10 12 W Hz Offset 6 mV Typ 10 mV Max Offset 6 mV Typ 10 mV Max 30 dB Setting 70 dB Setting Gain Hi Z 4 7...

Page 10: ... 10 V Hi Z General On Off Switch Slide Gain Switch 8 Position Rotary Output BNC DC Coupled Package Size 2 79 x 1 96 x 0 89 70 9 mm x 49 8 mm x 22 5 mm PD Surface Depth4 0 09 2 2 mm Weight Detector Only 0 10 kg Accessories SM1T1 Coupler SM1RR Retainer Ring Operating Temp 10 to 40 C Storage Temp 20 to 70 C AC Power Supply AC DC Converter Input Power5 31 W 100 V 120 V 230 V 50 60 Hz 4 Measured from t...

Page 11: ...Si Switchable Gain Detector Chapter 6 Specifications Rev A December 27 2017 Page 9 6 1 Response Curve 400 600 800 1000 300 1100 0 0 0 2 0 4 0 6 0 8 PDA36A2 Responsivity Responsivity A W Wavelength nm ...

Page 12: ...Si Switchable Gain Detector Chapter 6 Specifications Page 10 TTN135069 D02 6 2 Mechanical Drawing ...

Page 13: ...Si Switchable Gain Detector Chapter 7 Certificate of Conformance Rev A December 27 2017 Page 11 Chapter 7 Certificate of Conformance ...

Page 14: ... Thorlabs products such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled by the user PCB s housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information Waste Treatment is Your Own Responsibilit...

Page 15: ...l europe thorlabs com Scandinavia Thorlabs Sweden AB Bergfotsgatan 7 431 35 Mölndal Sweden Tel 46 31 733 30 00 Fax 46 31 703 40 45 www thorlabs com Email scandinavia thorlabs com France Thorlabs SAS 109 rue des Côtes 78600 Maisons Laffitte France Tel 33 0 970 444 844 Fax 33 0 825 744 800 www thorlabs com Email sales fr thorlabs com Brazil Thorlabs Vendas de Fotônicos Ltda Rua Riachuelo 171 São Car...

Page 16: ...www thorlabs com ...

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