Hardkey and Softkey Reference ESG Family Signal Generators
Phase Modulation
4-72 User’s Guide
Φ
M Stop Rate
Use this softkey to change the ending internal modulation frequency for
swept-sine phase modulation. To change the value, press the softkey
once. The current value for the
Φ
M stop rate is displayed in the active
entry area. To enter a new value, rotate the front panel knob until the
desired value is displayed, use the up and down arrow keys, or enter the
value using the numeric keypad and press the
Hz or kHz terminator
softkey. The range of values allowed is 0.1 Hz to 50 kHz. The minimum
increment allowed is 0.1 Hz.
This softkey is coupled to the
ΦM Tone 2 Rate softkey in the
Φ
M Dual-Sine
Menu. Any value set for
ΦM Stop Rate is reflected in the ΦMTone2Rate
softkey. Conversely, if you change the value for the
ΦM Tone 2 Rate
softkey, the value for
ΦM Stop Rate is changed to match.
Default Value: 400.0 Hz
Softkey Location:
FM/ΦM hardkey > FM ΦM softkey ΦM > ΦM Waveform >
Swept-Sine > ΦM Stop Rate
Φ
M Sweep Time
Press this softkey to set the sweep time for swept-sine phase
modulation. The signal generator will vary the
Φ
M rate from the
specified start rate to the stop rate in the time set with this softkey.
Enter the desired sweep time using the up and down arrow keys, the
front panel knob, or enter a value using the numeric keypad and press
the
sec or msec terminator softkey. The range of values allowed is 1 ms
through 65.535 s. The minimum increment allowed is 1 ms.
Default Value: 100.0 msec
Softkey Location:
FM/ΦM hardkey > FM ΦM softkey ΦM > ΦM Waveform >
Swept-Sine > ΦM Sweep Time
ΦM Sweep Trigger
Pressing this softkey reveals a menu of choices for triggering swept-sine
phase modulation. You can choose triggering that occurs immediately,
triggering that is supplied by the GPIB, triggering on either the positive
or negative edge of a signal supplied to the TRIGGER IN connector, or
triggering by the front panel
Trigger key.
Default Value: Immediate
Softkey Location:
FM/ΦM hardkey > FM ΦM softkey ΦM > ΦM Waveform >
Swept-Sine > ΦM Sweep Trigger
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