Optical Sampling Modules
4–90
CSA8000 & TDS8000 Instruments and Sampling Modules
This procedure checks the minimum optical bandwidths and the reference
receiver frequency responses of an 80C0X Optical Sampling Module.
NOTE
. To optimize performance, make sure that all connections are clean and
secure and that all components of the system are in good condition. Optical fiber
can gradually degrade the system performance as it is repeatedly flexed over
time.
Equipment
required
Tektronix CSA8000/TDS8000
Calmar FPL-01 optical impulser (item 25)
Tektronix OA5002 variable optical attenuator (item 24)
Single-mode fiber-optic cable, 2 m, FC to FC connectors (item 30)
Optical attenuator, 10 dB, FC-FC, female-male connectors (item 28)
Cable, coaxial, 1 m, male to male SMA connectors (item 11)
Prerequisites
See page 4–19
Before performing this procedure, be sure you have completed the Dark level &
Vertical Equivalent Optical Noise
procedure on page 4–83.
Install the test hookup (see Figure 4–26) and preset the CSA8000/TDS8000
controls:
1. Install the 80C0X Optical Sampling Module into Channel 1 of the TDS8000
or CSA8000 instrument.
CSA8000/TDS8000
Controller
GPIB cable
TRIGGER
DIRECT
50
W
Coaxial cable
Optical impulser generator
Variable optical attenuator
Rear
trigger
OPTICAL
INPUT
OPTICAL
OUTPUT
OPTICAL
INPUT
Fiber-optic cable
Fiber-optic cable
80C0X
OUTPUT
DIRECT
10dB Optical
attenuator
Figure 4–26: Minimum optical bandwidth and reference receiver frequency response hookup
Setup
Содержание CSA8000 Series
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