Скачать или смотреть VIAVI CellAdvisor - JD785 Front Panel Navigation and Power Measurements

Learn about navigating the front panel of the VIAVI CellAdvisor JD785 Base Station Analyzer, and understanding power measurements.

0:00 Introduction
0:49 JD785B Front Panel Buttons and Knobs
1:15 Hard Keys
9:06 Hot Keys (cont)
11:15 JD785B Front Panel Fields
19:48 Why are Accurate Power Measurements Important?
23:17 Distributed Antenna System Test Points
25:09 Why Measure Power Instead of Voltage
27:19 Power Units and Definitions
28:30 Units of Power
29:50 Frequency & Time
30:31 Frequency View
31:22 Power Changes Over Time and Frequency
32:00 Why Average Power?
33:04 Average Power of time varying signal
35:01 Unique RF and Optical Power
36:36 Through Line or Directional Power Sensor
37:37 Directional Power Meter Measurement Method
38:23 Absorptive or Terminating RF Power Sensors
39:53 External Power Measurements
41:18 RF Forward Average Power Setup
42:19 Average Power Technology Type
43:02 Average Power Frequency
43:21 Average Power Range/Amplitude
43:58 Limits for Power Meter
44:17 Forward Peak Power
44:24 VSWR of Incident vs Reflected Power
44:41 Pulsed Power
45:09 Optical Power Sensor Measurement




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