Spectrum Analyzer Performance Verification 3-7 Input Related Spurious (IRS) Signals
Model MS20xxB MM PN: 10580-00303 Rev. D 3-13
3-7 Input Related Spurious (IRS) Signals
The following test is used to verify the input related spurious signals of the spectrum analyzer in the MS2034B
and MS2035B at different frequencies.
Equipment Required
• Synthesized Signal Generator, Anritsu Model MS3692X
• K(m) to N(f) Adapter, Anritsu Model 34RKNF50
• 10 MHz Reference Standard
• RF Coaxial Cable, Anritsu Model 15NN50-1.5C
• BNC(m) to BNC(m) Coaxial Cable, Anritsu part number 2000-1627-R
Procedure
1. Connect the BNC Coaxial Cable between the 10 MHz Reference Standard output and the 10 MHz Ref In
connector of the Anritsu MG3692X Synthesized Signal Generator.
2. Turn both the 10 MHz Reference Standard and the Synthesized Signal Generator on.
3. Set the MG3692X RF output level to –29 dBm.
4. Install the 34RKNF50 Adapter to the output of the MG3692X Generator and then connect the
15NN50-1.5C RF Coaxial Cable between the Adapter and the RF In connector of the VNA Master.
5. Press the On/Off key to turn on the VNA Master.
6. 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.
7. Press the Shift key and then the Preset (1) key. Press the Preset button on the touch screen submenu to
set the instrument to the factory preset state.
8. Press the Shift key and then the Sweep (3) key, Sweep Mode submenu key and then the Performance
submenu key.
9. Press the Back button and press the Detection submenu button and then the Peak submenu button.
2072.5 MHz Input Related Spurious Check
10. Set the MG3692X frequency to 2072.5 MHz CW.
11. On the VNA Master, press the Amplitude main menu button and then the Reference Level submenu
button.
12. Use the numeric keypad to enter –27 and then press the dBm submenu button.
13. Press the Atten Lvl submenu button.
14. Use the numeric keypad to enter 0 and then press the dB submenu button.
15. Press the Freq main menu button and then the Center Freq submenu button.
16.
Use the numeric keypad to enter 2072.5 and then press the MHz submenu button.
17. Press the Span submenu button.
18. Use the numeric keypad to enter 2 and then press the MHz submenu button.
19. Press the BW main menu button and then the RBW submenu button.
20. Use the numeric keypad to enter 1 and then press the kHz submenu button.
21. Press the VBW submenu button.
22. Use the numeric keypad to enter 300 and then press the Hz submenu button.
23. Wait until one sweep is completed.
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