Tektronix SD-42, Руководство пользователя

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Appendix B: Specifications
SD-42 & SD-46 User Manual
B–3
SD-46 Characteristics
The following specifications apply at 25
_
C
±
5
_
C; calibrated for use with a
single-mode fiber input at 1300 nm.
Table B–4: SD-46 Optical-to-Electrical Converter Head Pulse
Characteristics
Characteristic Performance
Response Bandwidth DC – 20 GHz
Wavelength Range 1200 to 1650 nm
Optical Pulse Response Speed 22 ps max Full Width Half Maximum
Conversion Factor 35 mW/V
Conversion Gain 29 mV/mW
Equivalent Display Noise
with SD-22
≤
16
m
W
RMS
typical
with SD-24/SD-26
≤
46
m
W
RMS
typical
Aberrations <10% peak to peak in the first 400 ps following
pulse input
Linear Response Range
≤
25 mW peak power
≤
5 mW mean power
Maximum Operating Input 25 mW peak power
5 mW average power
Table B–5: SD-46 Optical-to-Electrical Converter Head Power Meter
Characteristics
Characteristic Performance
Dynamic Range 5 nW to 5 mW
Linear Response Range
Range 1 <5
m
W mean,
<25 mW peak
Range 2 <5 mW mean,
<25 mW peak
Sensitivity
Range 1 1 V/mW
Range 2 1 V/
m
W