Fm Source; Fm Start Rate - Agilent Technologies E8241A User Manual

Key Reference
F

FM Source

Supported
Use this softkey to access a menu of choices that enables you to select an internally
generated or externally applied modulation input for the frequency modulation source.
The internal modulation is always ac-coupled. For externally applied signals, you can
choose between ac- and dc-coupled modulation.
Preset
Choices
Location
Remarks

FM Start Rate

Supported
This softkey enables you to change the starting frequency of the internally generated
modulation source for swept-sine frequency modulation.
Preset
Range
Location
Remarks
148
PSG-A Series
Internal 1
Internal 1 Internal 2
Page 235
A 1.0 peak voltage input is required for calibrated FM deviation
settings. The EXT 1 LO/HI and EXT 2 LO/HI display annunciators
will turn on if the peak input voltage differs from 1.0 volt by more
than 3.0%. (The LO/HI annunciators only function for ac-coupled
external inputs.)
PSG-A Series
400.0 Hz
1.0 Hz−1.0 MHz (minimum increment is 1.0 Hz)
Page 236
This key is coupled to the
the softkey in the FM dual-sine menu. Any value set for
FM Tone 1 Rate
is reflected in the
FM Start Rate
Ext1
softkey in the initial FM menu and
FM Rate
and
FM Rate FM Tone 1 Rate
Ext2
softkeys.
Chapter 5