Andrew Type 960 Class I & II Manual do Utilizador descarregar pdf (Página 22)

2. Site Master: - Make: Anritsu and Bird.

Anritsu: - Models - S 113 B (5-1200 MHz), See Fig. 3-8

- S 114 B (----‘’-----) + 100-1200 MHz spectrum analysis.

- S 331 B (25-3300 MHz)

- S 332 B (-----‘’---------) + 25- 3300 MHz spectrum analysis.

- S 331 B Model called Insta Cal Module and it is to be calibrated

With OSL method. (Open, Short, Load)

Site Master reads power measurement in Watt as well as in dBm also.

Select Power measurement:-

- Press Mode key – scroll to Power Monitor – Enter.

- Press zero soft key and see ZERO ADJ: ON on display.

- Insert attenuator between RF cable and Site Master.

- Press OFFSET key.

- Enter attenuation in dBm –Enter.

- Press Watt or dBm

- Note down power in both Watt and dBm.

VSWR Measurement:-

- Press Mode. - Scroll FREQ-SWR –Enter.

- Press FREQ/DIST key.

- Press F1 –Enter 890 MHz

- Press F2 – Enter 960 MHz.

- Press AMPLITUDE / LIMIT key.

- Press Top 1.0 and Bottom 1.3 – Enter.

- Start Calibration.

- Connect Open, Short, and Termination to RF O/P Port.-Enter.

- Observe CAL ON on display.

- Connect Jumper cable through RF cable to test port of Site Master.

- Read Max VSWR value in Auto scale.

Bird Site Master (Bird Electronics Corporation) See Fig 3-9

- Models -- SA 1700 EX, 25- 1700 MHz, no power measurement.

- SA 1700 EXP 25- 1700 MHz With power measurement.

- SA 2500 EX, 780 – 2500 MHz With power measurement

- SA 6000 EX, 25 – 6000 MHz With power measurement

Power measurement:-

- Press Mode,

- Select power mode.

- Connect power sensor to Site Analyzer.

- Make 0 on display as offset 0.00 dBm.

- Select reading in Watt / dBm.

- Note down power reading in both and check power of all TREs.

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Andrew Type 960 Class I & II Manual do Utilizador Página 22