Chapter 2 55
Basic Operation
Configuring the RF Output
4. Press Sweep Time to Auto.
The sweep time returns to its fastest allowable setting.
NOTE When using an 8757D network analyzer in manual sweep mode, you must activate the signal
generator’s Manual Mode before using the
Manual Freq softkey to control the sweep. Press
Sweep/List > More (2 of 3) > Manual Mode On.
Using Alternate Sweep
1. Press the Save hardkey.
This opens the table editor and softkey menu for saving instrument states. Notice that the
Select
Reg
softkey is active. (For more information on saving instrument states refer to “Using the
Instrument State Registers” on page 63.)
2. Turn the front panel knob until you find an available register and press
SAVE. Remember this
saved register number. If no registers are available, you can write over an in–use register, by
pressing
Re–SAVE.
NOTE When you are using the PSG in a system with an 8757D network analyzer, you are limited to
using registers 1 through 9 in sequence 0 for saving and recalling states.
3. Press Sweep/List > Configure Ramp/Step Sweep and enter new start and stop frequency values for the
ramp sweep.
4. Press
Alternate Sweep Register and turn the front panel knob to select the register number of the
previously saved sweep state.
5. Press
Alternate Sweep Off On to On.
The signal generator alternates between the original saved sweep and the current sweep. You may
need to adjust 8757D settings to effectively view both sweeps, such as setting channel 2 to
measure sensor A. Refer to Figure 2- 7.
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