OCT Balanced Detectors with Fast Monitor Output


  • Models Available with Bandwidths up to 2.5 GHz
  • Wavelengths Covering the 320 to 1700 nm Range
  • >20 dB Common Mode Rejection Ratio
  • Fast Monitor Outputs

PDB415C

Fixed Gain, 100 MHz, Si
Optical Inputs Shown

PDB482C-AC

Fixed Gain, 2.5 GHz, InGaAs, AC Coupled
Optical Inputs Shown

PDB440C

Fixed Gain, 15 MHz, InGaAs
Electrical Outputs Shown

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OCT Balanced Detectors with Fast Monitor Output
Wavelength Bandwidths Available Fast Monitor
Output Bandwidth
320 - 1000 nm DC - 15 MHz
DC - 75 MHz
DC - 100 MHz
DC - 200 MHz
DC - 1 MHz
800 - 1700 nm
Optimized for 1060 nm
(900 - 1400 nm Range)
DC - 400 MHz
30 kHz - 1.0 GHz
DC - 3 MHz
1 MHz - 2.5 GHz DC - 2.5 MHz
Optimized for 1300 nm
(1200 - 1700 nm Range)
DC - 400 MHz
30 kHz - 1.6 GHz
DC - 3 MHz

Features

  • Bandwidths up to 2.5 GHz Available
  • Four Wavelength Options
    • 320 - 1000 nm
    • 800 - 1700 nm
    • 900 - 1400 nm (Optimized for 1060 nm)
    • 1200 - 1700 nm (Optimized for 1300 nm)
  • >20 dB Common Mode Rejection Ratio
  • All Versions Available with FC Fiber Inputs
  • Free Space Inputs on Some Detectors (See Below for Details)
  • Switchable Power Supply Included

These balanced amplified photodetectors are designed specifically for OCT applications. They act as a balanced receiver by subtracting the two optical input signals from each other, resulting in the cancellation of common mode noise. This allows small changes in the signal path to be extracted from the interfering noise floor.

The detectors consist of two balanced photodiodes and an ultra-low-noise, high-speed transimpedance amplifier. The two photodiodes are matched to achieve an excellent common mode rejection ratio (CMRR), leading to better noise reduction. Please see the Operation tab for more details. All of these detectors incorporate three female SMA electrical ports for reduced noise. In addition to the RF-output from the transimpedance amplifier, the Monitor+ and Monitor- ports allow the response of each photodiode to be observed individually.

Bandwidths of DC - 200 MHz or Lower
Detectors with bandwidths of DC - 200 MHz or lower are available with either Si photodiodes for the 320 - 1000 nm range or InGaAs photodiodes for the 800 - 1700 nm range. Choose from four bandwidths: DC - 15 MHz, DC - 75 MHz, DC - 100 MHz, or DC - 200 MHz. The inputs on these detectors are not fiber coupled to the photodiodes. Detectors with bandwidths of DC - 100 MHz or lower come with two removable FC input connectors, making them suitable for either free space or fiber applications. The DC - 200 MHz bandwidth detectors also have FC/PC connectors at the inputs, but they cannot be removed.

Bandwidths of DC - 400 MHz or Higher
Detectors with bandwidths of DC - 400 MHz or higher feature fiber-coupled InGaAs photodiodes connected to FC/APC optical inputs with exactly length-matched SMF-28e+ or HI1060 fiber to achieve excellent CMRR values across the full detector bandwidth. The fiber-coupled design suppresses line artifacts in the OCT image, which generally occur when detector coupling optics are used. The combination of fiber and photodiodes was chosen to optimize these detectors for either 1060 nm (900 - 1400 nm range) or 1300 nm (1200 - 1700 nm range).

Our highest bandwidth detectors are offered in an AC-coupled version only. The PDB480C-AC, PDB481C-AC, and PDB482C-AC balanced detectors offer bandwidths up to 2.5 GHz, leading to considerable speed improvements. The ultra-low-distortion output stage supports up to a 2 Vp-p A/D card input range, which, combined with the fiber-coupled design, improves the image quality for OCT applications considerably.

Packaging/Power Supply
Housed in a shielded aluminum enclosure measuring 85 mm x 80 mm x 30 mm, these detectors are post mountable using the included adapter plate, which can be attached to the bottom or side of the housing with the included M2 screws. A ±12 V linear power supply that supports input voltages of 100, 120, and 230 VAC is included with each amplified photodetector. Replacement power supplies are available separately below.

A complete list of all of Thorlabs' balanced amplified photodetectors with fast monitor output can be found here. Alternatively, we also offer an APD-based auto-balanced detector with an exceptionally low noise floor suitable for OCT applications with low signal in the sample arm. Thorlabs also offers Fiber-Based Interferometers, which feature an integrated balanced detector.

Item # PDB415A PDB415C PDB425A PDB425C PDB440A PDB440C PDB465A PDB465C
Detector Type Si/PIN InGaAs/PIN Si/PIN InGaAs/PIN Si/PIN InGaAs/PIN Si/PIN InGaAs/PIN
Wavelength Range 320 - 1000 nm 800 - 1700 nm 320 - 1000 nm 800 - 1700 nm 320 - 1000 nm 800 - 1700 nm 320 - 1000 nm 800 - 1700 nm
Typical Max Responsivity 0.53 A/W 1.0 A/W 0.53 A/W 1.0 A/W 0.53 A/W 1.0 A/W 0.50 A/W 1.0 A/W
Active Detector Diameter 0.8 mm 0.3 mm 0.8 mm 0.3 mm 0.8 mm 0.3 mm 0.8 mm 0.15 mm
Bandwidth (3 dB) DC - 100 MHz DC - 75 MHz DC - 15 MHz DC - 200 MHz
Common Mode
Rejection Ratio
>25 dB >35 dB >35 dB <25 dB
Transimpedance Gaina 50 x 103 V/A 250 x 103 V/A 51 x 103 V/A 30 x 103 V/A
Minimum NEPb 12.03 pW/Hz1/2
(DC - 100 MHz)
6.99 pW/Hz1/2
(DC - 100 MHz)
9.5 pW/Hz1/2
(DC - 75 MHz)
5.2 pW/Hz1/2
(DC - 75 MHz)
6.9 pW/Hz1/2
(DC - 15 MHz)
3.9 pW/Hz1/2
(DC - 15 MHz)
22.86 pW/Hz1/2
(DC - 200 MHz)
8.52 pW/Hz1/2
(DC - 200 MHz)
RF Output
RF Output Conversion Gaina,c 26.5 x 103 V/W 50 x 103 V/W 133 x 103 V/W 250 x 103 V/W 27 x 103 V/W 51 x 103 V/W 16 x 103 V/W 30 x 103 V/W
CW Saturation Power 135 µW
@ 820 nm
72 µW
@ 1550 nm
27 µW
@ 820 nm
15 µW
@ 1550 nm
130 µW
@ 820 nm
70 µW
@ 1550 nm
225 µW @ 820 nm 120 µW @ 1550 nm
Impedance 50 Ω
Max Voltage Swing ±1.8 V for 50 Ω Load
±3.6 V for High-Impedance Load
DC Offset < ±3 mV
RF-Output Coupling DCd
Monitor Outputs
Monitor Output Conversion Gain 10 V/mW
@ 820 nm
10 V/mW
@ 1550 nm
10 V/mW
@ 820 nm
10 V/mW
@ 1550 nm
10 V/mW
@ 820 nm
10 V/mW
@ 1550 nm
10 V/mW
@ 820 nm
10 V/mW
@ 1550 nm
Impedance 220 Ω
Max Voltage Swing 1.55 V for 50 Ω Load
10 V for High-Impedance Load
Bandwidth DC to 1 MHz
Voltage Noise <180 µVRMS
DC Offset < ±2 mV
General
Fiber Optical Inputse FC/PC or FC/APC
(Removable)
FC/PC or FC/APC
(Not Removable)
FC/PC or FC/APC
(Removable)
FC/PC or FC/APC
(Not Removable)
Photodiode Damage Threshold 20 mW
Electrical Outputs SMA (Qty. 3)
Dimensions 85 mm x 80 mm x 30 mm (3.35" x 3.15" x 1.18")
Weight 0.35 kg (without Power Supply)
Operating Temperature Rangef 0 to 40 °C
Storage Temperature Range -40 to 70 °C
Included Power Supplyg ±12 V @ 200 mA
115/230 VAC, 50 - 60 Hz, Switchable
  • Value is given for high impedance load. For a 50 Ω load, divide the value by 2.
  • For more information on NEP, please see Thorlabs' Noise Equivalent Power White Paper.
  • Given at detector peak responsivity.
  • AC-coupled versions of each detector are also available here. AC coupled variants block the CW component (the unmodulated part) of the optical input signal. This improves the ability to measure a comparably weak, frequency-modulated signal over a strong CW background signal that could saturate the amplifier.
  • For PDB435C and PDB465C the FC adapter is NOT removable.
  • Non-condensing.
  • A replacement power supply that support input voltages of 100, 120, and 230 VAC is available below.
Item # PDB470Ca PDB471Ca PDB480C-ACa PDB481C-ACa PDB482C-ACa
Detector
Detector Type InGaAs/PIN
Optical Inputs FC/APC
Internal Coupling Fiber SMF-28e+ HI1060 SMF-28e+ HI1060
Coupling Loss <0.5 dB (<0.3 dB Typ.) <1.0 dB (<0.4 dB Typ.) <0.5 dB (<0.3 dB Typ.) <1.0 dB (<0.4 dB Typ.)
Operating Wavelength Optimized for 1300 nm
(1200 - 1700 nm Range)
Optimized for 1060 nm
(900 - 1400 nm Range)
Optimized for 1300 nm
(1200 - 1700 nm Range)
Optimized for 1060 nm
(900 - 1400 nm Range)
Responsivity (Typical) 0.9 A/W @ 1300 nm 0.72 A/W @ 1060 nm 0.9 A/W @ 1300 nm 0.72 A/W @ 1060 nm
Active Detector Diameter 0.075 mm 0.080 mm 0.075 mm 0.080 mm
Optical Back Reflection <-40 dB
Photodiode Damage Threshold 10 mW 5 mW 10 mW 5 mW
RF OUTPUT
RF OUTPUT Bandwidth (3 dB) DC - 400 MHz 30 kHz - 1.6 GHz 30 kHz - 1.0 GHz 1 MHz - 2.5 GHz
Common Mode Rejection Ratio >25 dB (Typ. >30 dB) >20 dB (Typ. >25 dB)
RF OUTPUT Transimedance Gain 10 x 103 V/Ab 16 x 103 V/Ac 28 x 103 V/Ac
RF OUTPUT Conversion Gain 9 x 103 V/W
@ 1300 nmb
7.2 x 103 V/W
@ 1060 nmb
14.4 x 103 V/W
@ 1300 nmc
11.5 x 103 V/W
@ 1060 nmc
20 x 103 V/W
@ 1060 nmc
RF OUTPUT Power at 1 dB Compressionc - +16.5 dBm Min
+18 dBm Typ.
RF OUTPUT CW Saturation Power 420 µW @ 1300 nm 530 µW @ 1060 nm See Note Below
RF OUTPUT Coupling DC (AC Coupling Available upon Request) AC Coupling Only
RF OUTPUT Impedance 50 Ω
Max Voltage Swing ±1.9 V for 50 Ω Load
±3.8 V for High-Impedance Load
See Note Below
Minimum NEPd 8 pW/Hz1/2
(DC to 100 MHz)
9.3 pW/Hz1/2
(30 kHz to 100 MHz)
9.0 pW/Hz1/2
(30 kHz to 100 MHz)
12.0 pW/Hz1/2
(1 MHz to 100 MHz)
Overal Output Voltage Noise <2.0 mVRMS <9 mVRMS <6.5 mVRMS <12 mVRMS
MONITOR Outputs
MONITOR Output Impedance 200 Ω
MONITOR Output Bandwidth (3 dB) DC - 3 MHz DC - 2.5 MHz
MONITOR Output Conversion Gain, High Z Loadb 9 V/mW @ 1300 nm 7.2 V/mW @ 1060 nm 9 V/mW @ 1300 nm 7.2 V/mW @ 1060 nm
MONITOR Output Voltage Swing, High Z Load 10 V Max
Overall Output Voltage Noise <0.65 mVRMS
DC Offset < ±2 mV
General
Electrical Outputs SMA
Included DC Power Supplye ±12 V @ 250 mA
100/120/230 VAC, 50 - 60 Hz, Switchable
Operating Temperature Rangef 0 °C to 40 °C
Storage Temperature Range -40 °C to 70 °C
Dimensions (W x H x D) 85 mm x 80 mm x 30 mm (3.35" x 3.15" x 1.18")
Weight 0.35 kg
  • All technical data are valid at 23 ± 5 °C and 45 ± 15% relative humidity (non-condensing).
  • Values for transimpedance and conversion gain are lossless gain values [i.e. losses introduced by the FC/APC connectors (typically 0.15 to 0.35 dB) are not considered].
  • For a 50 Ω load.
  • For more information on NEP, please see Thorlabs' Noise Equivalent Power White Paper.
  • A replacement power supply that support input voltages of 100, 120, and 230 VAC is available below.
  • Non-Condensing.

Note:
For the PDB480C-AC, PDB481C-AC, and PDB482C-AC detectors the RF output signal must not exceed the RF Output Power at 1 dB Compression, which is the point at which the amplified signal at 1 GHz is compressed by 1 dB. Above this value, the amplified signal will become non-linear and begin to saturate. The RF output voltage at this saturation point can be calculated using the following formula:

where R is the load impedance (50 Ω), P0 is defined as 1 mW, and L(dBm) is the power level in dBm. Using the specified RF Output Power at 1 dB Compression of 16.5 dBm, this yields the following "maximum" output voltage:

Operation of Balanced Detectors with Bandwidths up to 400 MHz

Thorlabs' Balanced Amplified Photodetectors consist of two well-matched photodiodes and an ultra-low noise, high-speed transimpedance amplifier (TIA) that generates an output voltage (RF OUTPUT) proportional to the difference between the photocurrents in the two photodiodes (i.e., the two optical input signals). Additionally, the unit has two fast monitor outputs (MONITOR+ and MONITOR-) to observe the optical input power levels on each photodiode separately. These outputs are low frequency outputs and cannot be used to measure an RF modulation on the signal. The block diagram applies to our balanced detectors with bandwidths up to 400 MHz.

Balanced receiver

Operation of the PDB480C-AC, PDB481C-AC, and PDB482C-AC Balanced Detectors

The PDB48xC-AC Balanced Amplified Photodetectors use the same basic operating principles as described above and have the following additional features. The TIA's ultra-low distortion output stage supports up to a 2 Vp-p A/D card input range. The two fast monitor outputs can be used to measure not only the individual optical input power levels, but also low frequency modulated signals up to 3 MHz (Item #s PDB480C-AC and PDB481C-AC) or 2.5 MHz (Item # PDB482C-AC). To enable the much higher frequency of these detectors, the photodiodes are connected to the inputs with length-matched fibers, only AC-coupled versions are offered, and capacitors are added to the circuit (as shown below).

Balanced receiver

Pin Diagrams for OCT Balanced Detectors

Monitor +/-

SMA Female

SMA Female

Maximum Voltage is +10 V for Hi-Z & +1.5 V into 50 Ω loads.

RF Output

SMA Female

SMA Female

For the PDB415, PDB425, PDB440, and PDB465 photodetectors, the maximum RF OUTPUT voltage is ±3.6 V for Hi-Z & ±1.8 V into 50 Ω loads.

The RF OUTPUT CW saturation power is 420 µW @ 1300 nm and 530 µW at 1060 nm for the PDB470C and PDB471C, respectively.

For the PDB48xC-AC photodetectors, the RF OUTPUT Power at 1 dB compression into 50 Ω loads is +16.5 dBm (Min), +18 dBm (Typical)

PDB Male (Power Cables)

Pinout for PDA Power Cable

PDB Female (Photodetector)

Pinout for PDA Power Connector


Posted Comments:
sebastian.marschall  (posted 2013-09-23 13:17:20.217)
Hello What is the reason for the different frequency responses of the PDB480C-AC (1.6 GHz) and the PDB481C-AC (1.0 GHz). Would there be big problems when using the PDB480C-AC with 1060 nm light (coupling losses, mode-dispersion, etc.)? Regards, Sebastian
tschalk  (posted 2013-09-26 06:29:00.0)
This is a response from Thomas at Thorlabs. Thank you very much for your inquiry. The bandwidth of the respective detector is defined by the pigtailed diodes built in. Those are designed for a specific wavelength, both because of the fiber used as pigtail as well as for the diode itself. The diode used in the PDB481-AC can unfortunately operate in a stable regime only up to 1GHz. While it would be in principle be possible to use the PDB480C-AC at 1060nm, the diode being not optimized for this wavelength would induce higher losses. The modal dispersion in this case should be negligible considering the short length of the pigtails. I will contact you directly with more detailed information.

OCT Balanced Detectors with Fast Monitor Output: 320 - 1000 nm

Specificationsa
Item # PDB440A PDB425A PDB415A PDB465A
Wavelength Range 320 - 1000 nm
Detector Type Si/Pin
Typical Max Responsivity 0.53 A/W 0.50 A/W
Active Detector Diameter 0.8 mm
Bandwidth (3 dB) DC - 15 MHz DC - 75 MHz DC - 100 MHz DC - 200 MHz
Common Mode
Rejection Ratio
>35 dB >25 dB
Transimpedance Gainb 51 x 103 V/A 250 x 103 V/A 50 x 103 V/A 30 x 103 V/A
Optical Inputs FC/PC or FC/APC
(Removable)
Monitor Output
Bandwidth
DC - 1 MHz
  • For a full list of specifications, please see the Specs tab above.
  • Transimpedance Gain is reduced by a factor of two for 50 Ω loads.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
PDB440A Support Documentation
PDB440AFixed Gain Balanced Amp. Photodetector, 15 MHz, Si, 320 - 1000 nm
$1,660.50
Today
PDB425A Support Documentation
PDB425AFixed Gain Balanced Amp. Photodetector, 75 MHz, Si, 320 - 1000 nm
$1,527.61
Today
PDB415A Support Documentation
PDB415AFixed Gain Balanced Amp. Photodetector, 100 MHz, Si, 320 - 1000 nm
$1,371.21
Today
PDB465A Support Documentation
PDB465AFixed Gain Balanced Amp. Photodetector, 200 MHz, Si, 320 - 1000 nm
$1,684.02
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OCT Balanced Detectors with Fast Monitor Output: 800 - 1700 nm

Specificationsa
Item # PDB440C PDB425C PDB415C PDB465C
Wavelength Range 800 - 1700 nm
Detector Type InGaAs/PIN
Typical Max Responsivity 1.0 A/W
Active Detector Diameter 0.3 mm 0.15 mm
Bandwidth (3 dB) DC - 15 MHz DC - 75 MHz DC - 100 MHz DC - 200 MHz
Common Mode
Rejection Ratio
>35 dB >25 dB
Transimpedance Gainb 51 x 103 V/A 250 x 103 V/A 50 x 103 V/A 30 x 103 V/A
Optical Inputs FC/PC or FC/APC
(Removable)
FC/PC or FC/APC
(Not Removable)
Monitor Output
Bandwidth
DC - 1 MHz
  • For a full list of specifications, please see the Specs tab above.
  • Transimpedance Gain is reduced by a factor of two for 50 Ω loads.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
PDB440C Support Documentation
PDB440CFixed Gain Balanced Amp. Photodetector, 15 MHz, InGaAs, 800 - 1700 nm
$1,755.77
3 weeks
PDB425C Support Documentation
PDB425CFixed Gain Balanced Amp. Photodetector, 75 MHz, InGaAs, 800 - 1700 nm
$1,635.80
Today
PDB415C Support Documentation
PDB415CFixed Gain Balanced Amp. Photodetector, 100 MHz, InGaAs, 800 - 1700 nm
$1,442.94
Today
PDB465C Support Documentation
PDB465CFixed Gain Balanced Amp. Photodetector, 200 MHz, InGaAs, 800 - 1700 nm
$1,660.50
Today

OCT Balanced Detectors with Fast Monitor Output: Optimized for 1060 nm

Specificationsa
Item # PDB471C PDB481C-AC PDB482C-AC
Operating Wavelength Optimized for 1060 nm
(900 - 1400 nm Range)
Detector Type InGaAs/PIN
Internal Coupling Fiber HI1060
Responsivity (Typical) 0.72 A/W @ 1060 nm
Active Detector Diameter 0.080 mm
Bandwidth (3 dB) DC - 400 MHz 30 kHz - 1.0 GHz 1 MHz - 2.5 GHz
Common Mode Rejection Ratio >25 dB
(Typ. >30 dB)
>20 dB
(Typ. >25 dB)
Transimpedance Gain 10 x 103 V/Ab 16 x 103 V/Ac 28 x 103 V/Ac
Optical Inputs FC/APC
Monitor Output Bandwidth DC - 3 MHz DC - 2.5 MHz
  • For a full list of specifications, please see the Specs tab above.
  • Values for transimpedance gain are lossless gain values [i.e., losses introduced by the FC/APC connectors (typically 0.15 to 0.35 dB) are not considered].
  • For a 50 Ω load.

All technical data are valid at 23 ± 5°C and 45 ± 15% relative humidity (non-condensing).

Responsitivity of the Photodiodes in Detectors for 1060 nm
Click to Enlarge

The blue shaded region indicates the specified wavelength range for these balanced detectors. 1060 nm is marked with a vertical blue line.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
PDB471C Support Documentation
PDB471CFiber-Coupled Balanced Amp. Photodetector, 400 MHz, InGaAs, 1060 nm
$2,105.03
Today
PDB481C-AC Support Documentation
PDB481C-ACFiber-Coupled Balanced Amp. Photodetector, 1.0 GHz, InGaAs, 1060 nm, AC Coupled
$2,105.03
Today
PDB482C-AC Support Documentation
PDB482C-ACFiber-Coupled Balanced Amp. Photodetector, 2.5 GHz, InGaAs, 1060 nm, AC Coupled
$2,105.03
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OCT Balanced Detectors with Fast Monitor Output: Optimized for 1300 nm

Specificationsa
Item # PDB470C PDB480C-AC
Operating Wavelength Optimized for 1300 nm
(1200 - 1700 nm Range)
Detector Type InGaAs/PIN
Internal Coupling Fiber SMF-28e+
Responsivity (Typical) 0.9 A/W @ 1300 nm
Active Detector Diameter 0.075 mm
Bandwidth (3 dB) DC - 400 MHz 30 kHz - 1.6 GHz
Common Mode Rejection Ratio >25 dB
(Typ. >30 dB)
Transimpedance Gain 10 x 103 V/Ab 16 x 103 V/Ac
Optical Inputs FC/APC
Monitor Output Bandwidth DC - 3 MHz
  • For a full list of specifications, please see the Specs tab above.
  • Values for transimpedance gain are lossless gain values [i.e., losses introduced by the FC/APC connectors (typically 0.15 to 0.35 dB) are not considered].
  • For a 50 Ω load.

All technical data are valid at 23 ± 5°C and 45 ± 15% relative humidity (non-condensing).

Responsitivity of the PDB480C-AC Balanced Detector
Click to Enlarge

The blue shaded region indicates the specified wavelength range for these balanced detectors. 1300 nm is marked with a vertical blue line.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
PDB470C Support Documentation
PDB470CCustomer Inspired! Fiber-Coupled Balanced Amp. Photodetector, 400 MHz, InGaAs, 1300 nm
$1,985.07
Today
PDB480C-AC Support Documentation
PDB480C-ACFiber Coupled Balanced Amp. Photodetector, 1.6 GHz, InGaAs, 1300 nm, AC Coupled
$1,996.84
3 weeks

±12 VDC Regulated Linear Power Supply

  • Replacement Power Supply for the Balanced Amplified Photodetectors Sold Above
  • ±12 VDC Power Output
  • Current Limit Enabling Short Circuit and Overload Protection
  • On/Off Switch with LED Indicator
  • Switchable AC Input Voltage (100, 120, or 230 VAC)
  • 2 m (6.6 ft) Cable with LUMBERG RSMV3 Male Connector
  • UL and CE Compliant

The LDS12B ±12 VDC Regulated Linear Power Supply is intended as a replacement for the supply included with our PDB line of balanced photodetectors sold on this page. The cord has three pins: one for ground, one for +12 V, and one for -12 V (see diagram above). This power supply ships with a location-specific power cord. This power supply can also be used with the PDA series of amplified photodetectorsPMM series of photomultiplier modulesAPD series of avalanche photodetectors, and the FSAC autocorrelator for femtosecond lasers.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
LDS12B Support Documentation
LDS12B±12 VDC Regulated Linear Power Supply, 6 W, 100/120/230 VAC
$91.72
Today