Anritsu S113C Uživatelská příručka stáhnout pdf (Strana 4)

6. POWER MONITOR VERIFICATION

If the Power Monitor (Option 5) is installed in the

Site Master, the following test can be used to verify

the accuracy of the power measurements. Measure-

ment calibration of the Site Master is not required

for this test.

a. Equipment Required:

RF Detector, 10 MHz to 20 GHz,

Anritsu 560-7N50C

10 dB Attenuator, Weinschel 1-10

30 dB Attenuator, Weinschel 1-30

RF Reference Source, 0.050 GHz,

Anritsu MA2418A

DC Power Supply, Anritsu 2000-933

b. Procedure

1. Connect the DC power supply to the

MA2418A Reference Source. (Refer to

Figure 3, page 4.)

2. Connect the MA2418A Reference Source

to the input of the 560-7N50C RF detec

tor.

3. Connect the RF Detector output to the

RF Detector input of the Site Master.

4. Connect the DC power supply to the ap-

propriate line voltage to supply power to

the MA2418A Reference Source.

5. 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.)

6. Press the

MODE soft key.

7. Use the Up/Down Arrow key to highlight

POWER MONITOR, then press ENTER.

8. Press the

ZERO soft key to zero the power

monitor.

When complete,

ZERO ADJ:ON is dis

played in the message area.

9. Verify that the power monitor reading is

0.0 dBm ± 1 dB.

10. Connect the output of the MA2418A Ref

erence Source to the two attenuators so

as to add 40 dB of attenuation (Figure 3).

11. Connect the MA2418A Reference Source

and the attenuators to the input of the

560-7N50C RF detector.

12. Verify that the power monitor reading is

now –40.0 dBm ±2 dB.

4 Site Master S113C/S331C/S115BQ MM

DC Power Supply 2000-933

Attenuators

Site Master w/ Option 5 Installed

MA2418A

Reference Source

560-7N50B

RF Detector

15-24V DC

20 mA

MA2418A Reference Source

50 MHz, 50

0dBm

HOLD

RUN

START

CAL

AUTO

SCALE

SAVE

SETUP

RECALL

SETUP

LIMIT

MARKER

SAVE

DISPLAY

RECALL

DISPLAY

MODE

FREQ/DIST

AMPLITUDE

SWEEP

SYS

ENTER

CLEAR

ESCAPE

OFF

Site Master S331C

Figure 3. Power Monitor Verification

1 2 3 4 5 6 7 8 9 ... 15 16

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