Anritsu S332C Spezifikationen PDF herunterladen (Seite 14)

11. DISPLAYED AVERAGE NOISE LEVEL

The following test can be used to verify the displayed

average noise level of the Site Master Spectrum Ana

-

lyzer.

a. Equipment Required:

·

Anritsu 28N50-2 or SM/PL 50 ohm Ter

-

mination or equivalent

b. Procedure:

1. Connect the 50 ohm termination to the

Site Master Spectrum Analyzer RF In

-

put.

2. On the Site Master, press and hold the

ESCAPE/CLEAR key, then press the

ON/OFF key to turn on the Site Master.

(This sets the instrument to the factory

preset state.)

NOTE

Before continuing, allow a 30-minute warm up

for the internal circuitry to stabilize.

3. On the Site Master, press the

MODE key.

Use the up/down arrow key to highlight

SPECTRUM ANALZYER and press ENTER

to select spectrum analyzer mode.

4. Press the

AMPLITUDE key and the REF

LEVEL

soft key.

5. Enter –

75 and press the ENTER key to set

the Reference Level to –75 dBm.

6. Press the

SCALE soft key and enter 5,

then press ENTER.

7. Press the

SWEEP key and then the MEA

-

SURE

soft key.

8. Press the

DETECTION soft key, then press

AVERAGE soft key.

9. Press the

SWEEP key.

10. Press the

RBW soft key and then the

MANUAL soft key. Use the Up/down arrow

key to select

10 kHz. Press ENTER to set

the resolution bandwidth to 10 kHz and

select

BACK.

11. Press the

VBW soft key and then the

MANUAL soft key. Use the Up/down arrow

key to select

100 Hz and press ENTER to

set the video bandwidth to 100 Hz.

12. Press the

FREQ/DIST key and the START

soft key.

13. Enter

100 and press the kHz soft key to

set the start frequency to 100 kHz.

14. Press the STOP soft key and enter 500,

then press the

kHz soft key to set the stop

frequency to 500 kHz.

15. Wait until a full sweep is complete.

16. Press the

MARKER key and then press

the

M1 soft key.

17. Press the

MARKER TO PEAK soft key. Re

-

cord the M1 amplitude reading and ver

-

ify it is £ –80 dBm.

18. Press the

FREQ/DIST key and the START

soft key.

19. Enter

500 and press the kHz soft key to

set the start frequency to 500 kHz.

20. Press the

STOP soft key and enter 4, then

press the

MHz soft key to set the stop fre

-

quency to 4 MHz.

21. Wait until a full sweep is complete.

22. Press the

MARKER key and then press

the

M1 soft key.

23. Press the

MARKER TO PEAK soft key. Re-

cord the M1 amplitude reading and ver-

ify it is £ –95 dBm.

24. Press the

SWEEP key.

25. Press the

VBW soft key, and then the

MANUAL soft key. Use the Up/down arrow

key to select

3 kHz, and press ENTER to

set the video bandwidth to 3 kHz.

26. Press the

FREQ/DIST key and the START

soft key.

27. Enter

4 and press the MHz soft key to set

the start frequency to 4 MHz.

28. Press the

STOP soft key and enter 1000,

then press the MHz soft key to set the

stop frequency to 1000 MHz.

29. Wait until a full sweep is complete.

30. Press the

MARKER key and then press

the

M1 soft key.

31. Press the

MARKER TO PEAK soft key. Re

-

cord the M1 amplitude reading and ver

-

ify it is £ –95 dBm.

32. Press the

FREQ/DIST key and the START

soft key.

33. Enter

1000 and press the MHz soft key to

set the start frequency to 1000 MHz.

10 Site Master S114C/S332C MM

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