3-9 Third Order Intercept (TOI) Chapter 3 — Spectrum Analyzer Verification
3-20 PN: 10580-00324 Rev. N S412E MM
15. Turn On the RF of both MG3692x #1 and MG3692x #2.
16. Press the Shift key and then the Trace (5) key. Press Trace A Operations, and set # of Averages to 2.
17. After two sweeps have occurred (Trace Count 2/2 appears on the left of the display), turn on a marker, and
press Peak Search. Record the amplitude of the signal at 800.151 MHz in Table A-15, “Spectrum
Analyzer Third Order Intercept” on page A-15.
18. Change the center frequency of the S412E to 799.851 MHz.
19. After two sweeps have occurred (Trace Count 2/2 appears on the left of the display), turn on a marker, and
press Peak Search. Record the amplitude of this signal in Table A-15.
Figure 3-4. Third Order Intercept (TOI) Measurement Setup
S412E LMR Master
Power Charge
+/-
.
0
3
Sweep
2
Calibrate
1
Preset
6
Limit
5
Trace
4
Measure
9
Mode
8
System
7
File
Shift
Back
Enter
ESC
LMRMaster
S412E
MG3692x Signal General MG3692x Signal General
Ext Ref In
Power
Splitter
1870A
AttenuatorsAttenuators
6 dB 20 dB2 dB 20 dB 6 dB 2 dB
10 MHz Reference
Oscillator Warmup
Oscillator Ready
Failure
1 PPS Sync
1 PPS OUT
1 MH z 5 MHz 10 M H
5 MHz 10 MHz
Sine wave Out AUX
1 PPS IN
Power
TESTIME
PLUS
R
RubiSource T&M
R
10 MHz
Sine Out
2x Ext Ref In
(back panel)
Adapter
34NN50A
ML2438A Power Meter
Sensor
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