Giga-tronics 2508A, Operation Manual

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Chapter 2: Front Panel Operation
34 2500A Series Operation Manual, 34172 Revision C, March 2008
Figure 2-9: Ramp Power Menu with Interactive Softkeys
The following explains each item in the Ramp Power menu:
Start Power. This menu item displays and allows you to modify the ramp start power level. This is the
power level that will be used as the beginning of the power level sweep.
The range for the start power parameter is -20 dBm to +25 dBm if the 90 dB step attenuator is not
installed in the instrument. If the 90 dB step attenuator is installed, the start power range is from 25 dB
above to 20 dB below the step attenuator setting chosen.
Stop Power. This menu item displays and allows you to modify the ramp stop power level. This is the
power level that will be used as the end point of the power level sweep.
The range for the stop power parameter is -20 dBm to +25 dBm if the 90 dB step attenuator is not
installed in the instrument. If the 90 dB step attenuator is installed, the stop power range is from 25 dB
above to 20 dB below the step attenuator setting chosen.
Frequency. This menu item displays and allows you to modify the output frequency to be used during
the power level sweep. The range of the frequency parameter is dependent on the model number of the
instrument.
Sweep Time. This menu item allows you to view and modify the sweep time. This is the amount of time
that elapses for one cycle of a power level sweep to complete.
Attenuation. This menu item allows you to select a range of the step attenuator if it is installed in the
instrument. The step attenuator can insert up to 90 dB of attenuation into the RF output path of the instru-
ment, in selectable 10 dB steps.
Step Sweep Menu. Pressing this softkey invokes the Ramp Freq menu in the display. See “Ramp Freq 1
Menu”, above, for Ramp Freq menu item descriptions.
2.3.3.4 Step Sweep Freq Menu
The Step Sweep menu allows you to view and modify settings related to the instrument’s frequency
sweeping feature. When this feature is used, the frequency of the RF output sweeps linearly from a pre-
determined start frequency to a predetermined stop frequency in a predetermined sweep time, then
RAMP POWER
0.00 dBm
10.00 dBm
10.00 GHz
25.00 Sec
Start Power
Stop Power
Sweep Time
Frequency
Step Sweep
Menu
Attenuation
0
Ramp Sweeping