330 Keysight EXG and MXG X-Series Signal Generators User’s Guide
Adding Real–Time Noise to a Signal for N5172B/82B with Option 403 and 653/655/656/657
Using Real-Time AWGN Softkeys
Using Real-Time AWGN Softkeys
Figure 11-7 Real Time AWGN Softkeys (Using the I/Q Baseband)
Use the following steps to apply 10 MHz bandwidth noise to a 500 MHz, –10 dBm carrier.
1. Configure the noise:
a. Preset the signal generator.
b. Press Mode > More > Real-Time AWGN
c. Press Bandwidth > 10 > MHz.
2. Generate the noise:
Press Real-Time AWGN Off On until On highlights.
During generation, the AWGN and I/Q
annunciators activate (as shown at
right). AWGN is now available to
modulate the RF carrier.
3. Configure the RF output:
— Frequency: 500 MHz
— Amplitude: −10 dBm
— RF output: on
The carrier with AWGN is now available at the signal generator’s RF OUTPUT connector.
For details on each key, use key help
as described on page56.