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THORLABS PDB440A User Manual

THORLABS PDB440A
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© 2019 Thorlabs
5 Appendix
19
5.1.2 PDB450x Individual Technical Data
PDB450A
PDB450C
Detector Material / Type
Si / PIN
InGaAs / PIN
Operating Wavelength Range
320 - 1000 nm
800 - 1700 nm
Max. Responsivity, typ.
0.53 A/W
1.0 A/W
Detector Active Area Ø
0.8 mm
0.3 mm
RF OUTPUT Bandwidth (-3 dB)
DC - 150 / 45 / 4 / 0.3 / 0.1 MHz
CMRR
>25 dB (typ. >30 dB)
RF OUTPUT Transimpedance Gain
1
)
10
3
/ 10
4
/ 10
5
/ 10
6
/ 10
7
V/A
RF OUTPUT Conversion Gain
2
)
0.53 × 10
3
V/W
0.53 × 10
4
V/W
0.53 × 10
5
V/W
0.53 × 10
6
V/W
0.53 × 10
7
V/W
1 × 10
3
V/W
1 × 10
4
V/W
1 × 10
5
V/W
1 × 10
6
V/W
1 × 10
7
V/W
RF OUTPUT DC Offset
< ± 15 mV
CW Saturation Power
9 mW @ 820 nm
4.5 mW @ 1550 nm
Minimum NEP
DC to 0.1 MHz (Gain 10
7
V/A)
DC to 0.3 MHz (Gain 10
6
V/A)
DC to 4 MHz (Gain 10
5
V/A)
DC to 45 MHz (Gain 10
4
V/A)
DC to 150 MHz (Gain 10
3
V/A)
Note Make sure hat the transimpedance gain is set in such way, that RF OUTPUT is below saturation threshold!
1
) Values are given for high impedance load. For a 50 W load, values are to be divided by 2.
2
) Values are given at peak responsivity of the detector, for high impedance load. For a 50 W load, values are to be
divided by 2.
PDB450A: Typical RF OUTPUT Frequency Response
PDB450A: Typical RF OUTPUT Frequency Response at different gain settings

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THORLABS PDB440A Specifications

General IconGeneral
BrandTHORLABS
ModelPDB440A
CategorySecurity Sensors
LanguageEnglish

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