THORLABS PDA36A User Manual Download Page 10

Si Switchable Gain Detector

 

Chapter 6: Specifications 

Page 8 

13053-D04 

Electrical Specifications 

Detector 

- Si 

PIN 

Active Area 

3.6 x 3.6 mm (13 mm

2

Wavelength Range 

λ

 

350 to 1100 nm 

Peak Wavelength 

λ

 p

 

970 nm (Typ.) 

Peak Response 

λ

 p

0.65 A/W (Typ.) 

Amplifier GBP 

- 600 

MHz 

Output Impedance 

- 50 

 

Max Ouput Current 

I

OUT

 100 

mA 

Load Impedance 

- 50 

 to Hi-Z 

Gain Adjustment Range 

0 dB to 70 dB 

Gain Steps 

8 x 10dB Steps 

Output Voltage 

V

OUT

 

0 to 5 V (50 

0 to 10 V (Hi-Z) 

 

General 

On/Off Switch 

Slide 

Gain Switch 

8 Position Rotary 

Output 

BNC (DC Coupled) 

Package Size 

2.76" x 2.06" x 0.88" 

(70.1 mm x 52.3 mm x 22.4 mm) 

PD Surface Depth 

0.16" (4.1 mm) 

Weight, Detector Only 

0.15 lbs 

Accessories 

SM1T1 Coupler 

SM1RR Retainer Ring 

Operating Temp 

0 to 40 °C 

Storage Temp 

-55 to 125 °C 

AC Power Supply 

AC – DC Converter 

Input Power

4

 

31 W 

100 – 200 VAC (50 to 60Hz) 

220 – 240 VAC (50 to 60 Hz) 

 

                                                           

4

   Although the power supply is rated for 31 W the PDA36A actual usage is <5 W over the 

full operating range. 

Summary of Contents for PDA36A

Page 1: ...PDA36A EC Si Switchable Gain Detector User Guide...

Page 2: ...ty 4 4 3 Dark Current 4 4 4 Bandwidth and Response 5 4 5 Terminating Resistance 5 4 6 Gain Adjustment 6 Chapter 5 Troubleshooting 6 Chapter 6 Specifications 7 6 1 Response Curve 9 6 2 Mechanical Drawi...

Page 3: ...mbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or chassis Terminal Equipotentiality On Supply Off Sup...

Page 4: ...mpedances up to 5 V The PDA36A EC housing includes a removable threaded coupler SM1T1 and retainer ring SM1RR that is compatible with any number of Thorlabs 1 threaded accessories This allows convenie...

Page 5: ...gh speed oscilloscopes have input impedances of 50 In this case do not install a 50 terminator The combined loads will equal 25 which could allow 135 mA of output current This will damage the output d...

Page 6: ...h flows when a bias voltage is applied to a photodiode The PDA with Transimpedance Amplifier does control the dark current flowing out Looking at the figure above it can be noted that Point B is held...

Page 7: ...VOUT for viewing on an oscilloscope Depending on the type of the photodiode load resistance can affect the response speed For maximum bandwidth we recommend using a 50 coaxial cable with a 50 termina...

Page 8: ...for a given input signal Chapter 5 Troubleshooting Problem Suggested Solutions There is no signal response Verify that the power is switched on and all connections are secure Verify the proper termina...

Page 9: ...7 94 x 10 13 W Hz Offset 4 mV Typ 10 mV Max Offset 4 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 5 0 0 75 x 104 V A 2 Gain 50 0 75 x 106 V A 5...

Page 10: ...in Steps 8 x 10dB Steps Output Voltage VOUT 0 to 5 V 50 0 to 10 V Hi Z General On Off Switch Slide Gain Switch 8 Position Rotary Output BNC DC Coupled Package Size 2 76 x 2 06 x 0 88 70 1 mm x 52 3 mm...

Page 11: ...Si Switchable Gain Detector Chapter 6 Specifications Rev E July 15 2017 Page 9 6 1 Response Curve...

Page 12: ...T1 Coupler with SM1RR Retainer Ring Rotary Gain Switch 8 Position 22 4 mm 0 88 12 7 mm 0 50 Power Supply Connector LED Power Indicator Output BNC with 0 to 10 V Range 1 035 40 External Thread Mates wi...

Page 13: ...Si Switchable Gain Detector Chapter 7 Certificate of Conformance Rev E July 15 2017 Page 11 Chapter 7 Certificate of Conformance...

Page 14: ...bs 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...

Page 15: ...on USA Canada and South America Thorlabs Inc sales thorlabs com techsupport thorlabs com Europe Thorlabs GmbH europe thorlabs com France Thorlabs SAS sales fr thorlabs com Japan Thorlabs Japan Inc sal...

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

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