Agilent Technologies 8169A, Руководство пользователя, Страница: 118 / 168

Performance Test Insertion Loss Variation with Rotation of
λ
/4 and
λ
/2 Plates
120
Agilent 8169A Polarization Controller, Second Edition
3 Set up the 8153A.
a Zero the 8153A: press
b Set the 8153A to dBm: press until display shows dBm.
c Set the 8153A to wavelength = 1470 nm: press until
λ
is shown, set
λ
to 1470 using the Modify keys.
d Set the 8153A sample time to 50 ms: press until you get T, use the-
Modify keys, until display reads 50ms.
e Set 8153A to datalogging:
• Press to get MENU.
• Press until you get LOGGING.
• Press to get SAMPLES.
• Press cursor until display reads 500.
• Press until you get START.
• Press cursor until you get IMMEDIAT.
• Press to get LOGGING.
4 Set up the 8168C.
a Press ,press , type 1470 on the numeric keypad, press
.
b Press , press type 100 on the numeric keypad,
press .
c Activate the Optical Output.
5 Set up the 8169A (DUT)
a Set the polarizing _lter for maximum transmission (see \Setting the Position
of the Polarizing Filter" in Chapter 2).
b Press , select Slow with the Modify knob and press .
c Press .
6 Execute data logging.
a On the 8153A press .
The 8153A now takes the measurement samples. It will stop automatically
when the 500 samples are taken.