User Manual

SIGLENT
SSG5000X User Manual 167
3.6 Test OIP3 of Active Devices in Multitone
Mode
OIP3 is a key indicator for evaluating the linearity of active devices. This can be
tested using the SSG5000X.
The following steps describe how to generate a two-tone continuous wave signal
with a carrier frequency of 3.2 GHz and an interval frequency of 1 MHz to test OIP3
of the active device.
1. Restore factory settings
a) Press UTILITY or touch Preset Type-> Default.
b) Press PRESET or reset the system settings to perform the reset operation.
2. Set the baseband signal
Press I/Q or select IQ MOD block from the Home page, and then click Multitone.
a) Set Tone Number to 1;
b) Set Sample Rate to 10 MHz;
c) Set Freq Spacing to 1 MHz;
d) Set Single Side state off;
e) Set Multitone State on;
3. Set the carrier frequency & amplitude