Anritsu S332C Dokumentacja Pobierz pdf (Strona 17)

14. TERMINATION VERIFICATION

This test verifies the accuracy of the Site Master

SM/PL termination using the precision return loss

mode of the 541XXA Scalar Measurement System.

Measurements of terminations using this mode pro

vide results that are traceable to the NIST (National

Institute of Standards and Technology) standards for

the precision airline.

a. Equipment Required:

Scalar Measurement System,

Anritsu 541XXA

Offset SWR Autotester,

Anritsu 560-97A50-20

Precision Airline, Anritsu 18N50

Open/Short, Anritsu 22N50

50 Ohm Termination, Anritsu 28N50-2

Source Adapter, Anritsu 34NN50A

b. Procedure

1. Connect the test equipment as shown in

Figure 3.

2. Press the

Power key on the 541XXA to

On.

3. Press the System Menu key.

4. Using the Menu up-down keys: Highlight

RESET, then press the Select key.

5. At the

RESET MENU display, use the

Menu up-down keys to highlight

RESET

TO FACTORY DEFAULTS

, then press the

Select key.

6. Set the signal source for the frequency

range as follows:

(a) Press the

Frequency key.

(b) Using the Data Entry Keypad or

Data Entry Knob, set the Start fre

quency to 0.01 GHz. Press the

Enter

key.

Data Entry Knob, set the Stop fre

quency to 4.0 GHz. Press the

Enter

key.

7. Press the Channel 2 Display On/Off key

to Off.

8. Press the Channel 1 Menu key.

9. Using the Menu up-down keys: Highlight

PRECISION RL, then press the Select key.

10. At the PRECISION RETURN LOSS

menu display, use the Menu up-down

keys to highlight

FINAL, then press the

Select key.

11. Press the

Calibration key.

Site Master S114C/S332C MM 13

541XXA Scalar Measurement System

Connect Dashed Line Connections

When Directed By Procedure

Precision

Air Line

Open/Short

Source

Adapter

50 Ohm

Termination

Offset SWR

Autotester

Termination

under Test

Beadless

End

Figure 3. 541XXA Precision Return Loss Setup

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

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