Tektronix SD-42, User Manual

Page: 34 / 48

SD-42 & SD-46 User Manual
B–1
Appendix B: Specifications
SD-42 Characteristics
The following specifications apply at 25
_
C
±
5
_
C; calibrated for use with a
single-mode fiber input at 1300 nm.
Table B–1: SD-42 Optical-to-Electrical Converter Head Pulse
Characteristics
Characteristic Performance
Response Bandwidth DC – 6.4 GHz
Wavelength Range 1000 to 1700 nm
Optical Impulse Response Speed 55 ps max Full Width Half Maximum
Conversion Factor 25 mW/V
Conversion Gain 40 mV/mW
Equivalent Display Noise
with SD-22 10
m
W
RMS
typical
with SD-24/SD-26 33
m
W
RMS
typical (unity dot response)
<15
m
W
RMS
typical (with smoothing)
Aberrations (Step Response) <15% peak to peak in the first 400 ps following
pulse input
Linear Response Range <25 mW peak power
<5 mW mean power
Maximum Nondestructive Input 75 mW peak power
10 mW mean power
Table B–2: SD-42 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