Chapter 4 121
Basic Digital Operation
Understanding the I/Q Modulator Filter
Applying An I/Q Modulator Filter
Real-Time Signals
1. Configure the signal.
2. Set the I/Q modulator filter:
a. Press
I/Q > More (1 of 2) > I/Q Mod Filter Manual Auto.
This key is active only when using a real-time signal. When using an ARB signal, the
I/Q Mod Filter
Manual Auto
softkey within the I/Q menu grays out.
b. In the filter menu, select
Through, 2.1 MHz, 40 MHz, or Auto.
3. If not already done, turn on the modulation format.
4. Turn on the RF output.
ARB Signal
The I/Q modulator filter selections reside within the modulation format menu, instead of in the I/Q menu as
for the real-time signals. For more information, see “I/Q Attenuator and Filters Settings” on page 122.
1. Configure the signal.
2. Within the ARB modulation format menu, set the I/Q modulator filter:
a. Press
ARB Setup > more (1 of 2) > I/Q Mod Filter Manual Auto.
The
more (1 of 2) softkey may not appear in all menus.
b. In the filter menu, select
Through, 2.1 MHz, 40 MHz, or Auto.
3. If not already done, turn on the modulation format.
4. Turn on the RF output.
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