Using An Internal Modulation Source - Keysight N5166B CXG User Manual

Analog Modulation (Option UNT)

Using an Internal Modulation Source

Using an Internal Modulation Source
1. Preset the signal generator.
2. Set the carrier (RF) frequency.
3. Set the RF amplitude.
4. Configure the modulation:
AM
AM
a. Press
b. Set the AM type (Linear or Exponential):
AM Type
c. Set the AM Mode (Normal or Deep).
Default is Deep. To select
More
enable
type.
d. Set the AM Depth:
> unit
value
e. Set the rate:
More > Setup AM Source >
AM Rate
5. Turn on the modulation:
AM
AM Off On
The appropriate modulation annunciator displays, indicating that you enabled modulation.
6. Turn on the RF output.
The RF output LED lights, indicating that the signal is transmitting from the RF output connector.
If the modulation does not seem to be working properly, refer to
on page 447.
See also "Modulating the Carrier Signal" on page
182
to highlight desired type.
Normal
to highlight desired
AM Depth
>
> value > frequency unit
softkey to On
Keysight CXG, EXG, and MXG X-Series Signal Generators User's Guide
FM
FM/ Φ M
a. Press
b. Set the deviation:
FM Dev
> value >
frequency unit
c. Set the rate:
More > Setup FM
Source > FM Rate
>
value > frequency unit
FM
FM Off On
softkey to On
"No Modulation at the RF Output"
74.
ΦM
FM/ Φ M FM/ Φ M
a. Press >
( Φ M is highlighted
)
b. Set the BW (normal or high):
FM Φ M
to highlight desired
type
c. Set the deviation:
Φ M Dev
pi rad
> value >
d. Set the rate:
More > Setup Φ M
Source > Φ M Rate
>
value > frequency unit
ΦM
Φ M Off On
softkey to On