162
Keysight EXG and MXG X-Series Signal Generators User’s Guide
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:
5.
Turn on the modulation:
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
“No Modulation at the RF Output”
“Modulating the Carrier Signal” on page 54
.
AM
FM
Φ
M
a. Press
AM
b. Set the AM type (Linear or Exponential):
AM Type
to highlight desired type.
c. Set the AM Mode (Normal or Deep).
Default is Deep. To select
Normal
enable
More
to highlight desired
type.
d. Set the AM Depth:
AM Depth
>
value
> unit
e. Set the rate:
More > Setup AM Source >
AM Rate
>
value
>
frequency unit
a. Press
FM/
Φ
M
b. Set the deviation:
FM Dev
>
value
>
frequency unit
c. Set the rate:
More > Setup FM
Source > FM Rate
>
value
>
frequency unit
a. Press
FM/
Φ
M
>
FM/
Φ
M
(
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
>
value
>
pi rad
d. Set the rate:
More > Setup
Φ
M
Source >
Φ
M Rate
>
value
>
frequency unit
AM
FM
Φ
M
AM Off On
softkey to On
FM Off On
softkey to On
Φ
M Off On
softkey to On
