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  • BPD230 Balanced Photodetector Free Space Light Input

BPD230 Balanced Photodetector Free Space Light Input


The BPD230 balanced photodetector uses 2 TO-packaged photodiodes to receive free-space light input with a very high common mode rejection ratio.

Model:BPD230
Tags: BPD Free Space BPD Balanced Photodetector
Contact:face Huang Email: Hqy@ybphotonics.com
WhatsApp: +8613427781756 Web | App
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Product Info


Introduction

The BPD230 series balanced photodetectors utilize spatial light input and are suitable for coherent detection optics in spatial light paths.

The balanced photodetector contains two photodiodes and a low-noise transimpedance amplifier, where the two photodiodes are matched to each other for excellent common mode rejection ratio, and the detector subtracts the two detected signals to eliminate the common mode noise, so that small variations of the effective signal can be obtained from the interfering noise. The detector is available in two spectral ranges, 400-1000nm and 1000-1700nm.

ItemBPD230A-10MBPD230A-75MBPD230A-200MBPD230A-400M
materialsSi
wavelength range320-1000nm
input connectorFree-Space
responsivity0.5A/W @760nm
Active area0.4mm
Common mode rejection ratio>25dB
bandwidth (a)DC-10MHzDC-75MHzDC-200MHzDC-400MHz
rise time (a)36ns4.5ns2ns1ns
transimpedance gain (b)1MV/A165kV/A28.6kV/A10kV/A
Saturated optical power8uw48uw280uw800uw
noise voltage (a)9mV RMS8mV RMS4mV RMS3.5mV RMS
noise equivalent power (c)4.7pW/√Hz16.1pW/√Hz
13.9pW/√Hz84pW/√Hz


Item
BPD230C-5MBPD230C-50MBPD230C-150MBPD230C-300M
materialsInGaAs
wavelength range1000-1700nm
input connector
Free-Space
responsivity
0.9A/W @1550nm
Active area
0.2mm
Common mode rejection ratio
>25dB
bandwidth (a)
DC-10MHzDC-75MHzDC-150MHzDC-400MHz
rise time (a)
36ns4.5ns2.2ns1ns
transimpedance gain (b)
1MV/A165kV/A30kV/A10kV/A
Saturated optical power
4.4uw27uw148uw445uw
noise voltage (a)
9mV RMS8mV RMS4mV RMS3.5mV RMS
noise equivalent power (c)
2.6pW/√Hz11.4pW/√Hz30.5pW/√Hz48pW/√Hz


ParamasDetector Common Parameters
Maximum output amplitude(a)±2.0V
Operating voltage±12V
Operating Current<200mA
Output Impedance50Ω
Output coupling modeDC
Output connectorSMA female
Operating temperature-20~65℃
Storage temperature-40~85℃

Remarks:
a  :  For 50Ω loads
 :  For high resistance loads
c  DC-100MHz


Mechanical dimensions

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