3.14
Pre-Filter Control
Center Frequency
This allows the user to set the center frequency of the filter and
is programmable in 1 GHz steps. The value which can be
entered is limited to the operating range of the unit. Center
Frequency control is not available if a WSP file is loaded.
Bandwidth
This allows the user to change the bandwidth of the filter
selected in 1 GHz increments. The display shows the nominal 3
dB bandwidth selected. Bandwidth Control is not available if a
*.WSP or *.UCF file is loaded.
Attenuation
The Attenuation Control provides a programmable insertion
loss for the current filter. Attenuation control is not available if
a WSP file is selected.
Dispersion
Dispersion can be controlled in two modes: Linear (ps/nm) and
Quadratic (ps/nm
2
).
3.15
Output Pulse Shaping
Pulse Selection
Allows the user to select from a number of output pulse shapes.
These output pulse shapes will be created in the case where a
transform limited pulse has been generated with the “Pre-Filter
Shape” function.
WaveShaper A Series User Manual
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