Spectrum Analyzer Performance Verification 3-10 Third Order Intercept (TOI)
MS20xxC MM PN: 10580-00307 Rev. D 3-31
5. Connect the Power Sensor to the Power Splitter input.
6. Adjust the output power of the MG3692X #1 until the Power Meter reads –20 dBm (approximately
+16 dBm on the MG3692X).
7. Turn OFF MG3692X #1 RF.
8. Turn ON MG3692X #2 RF.
9. Adjust the output power of the MG3692X #2 until the Power Meter reads –20 dBm (approximately
+16 dBm on the MG3692X).
10. Set up the MS203xC as follows:
a. Press the Shift key and then the Mode (9) key. Use the rotary knob to highlight Spectrum Analyzer,
and then press the Enter key to switch to Spectrum Analyzer mode.
b. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the
default starting conditions.
c. Press the Shift key and the Sweep (3) key, press the Sweep Mode soft key, and then press the
Performance soft key to set the instrument to Performance Sweep mode.
d. Press the Amplitude hard key and then the Reference Level soft key.
e. Enter –15 and then press the dBm soft key to set Reference Level to –15 dBm.
f. Press the Atten Lvl soft key.
g. Enter 0 and then press the dB soft key to set Atten Lvl to 0 dB.
h. Ensure that Pre Amp On/Off soft key is set to Off. If not, then press the Pre Amp On/Off soft key to
turn Off the Pre Amp.
i. Press the Detection soft key.
j. Press the RMS/Avg soft key to set the instrument to RMS/Avg detection mode.
k. Press the Span hard key.
l. Enter 100
and then press the Hz soft key to set Span to 100 Hz.
m. Press the BW hard key and then the RBW soft key.
n. Enter 30 and then press the Hz soft key to set RBW to 30 Hz.
o. Press the VBW soft key.
p. Enter 1 and then press the Hz soft key to set VBW to 1 Hz.
q. Press the Freq hard key and then the Center Freq soft key.
r. Enter 2400.151 and then press the MHz soft key to set Center Freq to 2400.151 MHz.
11. Disconnect the Power Sensor from the Power Splitter.
12. Connect the open port of the Power Splitter to the 34NN50A Adapter that is installed at the MS203xC
Spectrum Analyzer RF In connector. Refer to Figure 3-6.
Note
The Power Splitter is being used as an RF combiner (the normal RF output ports become input ports,
and the normal input port becomes the output port.
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