THORLABS PDB440A, Руководство по эксплуатации, Страница: 18 / 29

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PDB440x and PDB450x detectors
5.1.1 PDB440x Individual Technical Data
PDB440A PDB440C
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 - 15 MHz
CMRR >35 dB
RF OUTPUT Transimpedance Gain
1
) 51 × 10
3
V/A
RF OUTPUT Conversion Gain
2
) 27 × 10
3
V/W 51 × 10
3
V/W
RF OUTPUT DC Offset < ± 3 mV
CW Saturation Power 130 µW @ 820 nm 70 µW @ 1550 nm
Minimum NEP (DC to 15 MHz)
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.
PDB440A: Typical RF OUTPUT Frequency Response
PDB440A: Typical RF OUTPUT Frequency Response