Applications The PACT Application
250 Agilent 8163A/B, 8164A/B, and 8166A/B User’s Guide, Fourth Edition
9 To deselect a Power Meter channel, move to the Power Meter as
denoted by slot and channel numbers, see “Slot and Channel
Numbers” on page 40, press [Unset].
10 To select a Power Meter channel, press [Edit], move to the Power
Meter as denoted by slot and channel numbers, see “Slot and
Channel Numbers” on page 40, press [Set].
11 Perform steps until you have selected the required Power Meters for
your application and press Enter.
NOTE If no Power Meter channel is selected, you cannot exit by pressing
Enter.
Setting Sweep Parameters
12 Move to [λ Start], press Enter, enter the start wavelength of the
sweep, and press Enter.
13 Move to [λ Stop], press Enter, enter the stop wavelength of the
sweep, and press Enter.
14 Move to [Step], press Enter, enter the step size for the sweep, and
press Enter.
NOTE The step size defines:
• the size of the change in the wavelength for each step of a stepped
sweep and
• the wavelength interval between power measurements, the first
power measurement is taken at [λ Start] and the last must be taken
at [λ Stop].
15 Move to [P max], press Enter, enter the maximum power in dBm for
the sweep, and press Enter. The instrument chooses a constant
power level for the measurement using the following constraints:
– the power will be less than or equal to the [P max] value you set
and
– the power will be less than or equal to the maximum power
possible for the chosen Tunable Laser module across the chosen
wavelength range.
16 Move to [Method], press Enter, and move to one of the following
sweep modes:
–<Stepped>, which dwells at wavelengths that are separated by a
certain step size, or
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