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General| Brand | MFJ |
|---|---|
| Model | MFJ-269D |
| Category | Measuring Instruments |
| Language | English |
Describes common applications and measurements for the MFJ-269D SWR Analyzer.
Details the selectable frequency bands and coverage of the MFJ-269D SWR Analyzer.
Explains potential causes of measurement errors and factors affecting accuracy.
Specifies requirements and recommendations for using an external DC power supply with the MFJ-269D.
Covers internal battery installation, charging, and usage of rechargeable and dry cell batteries.
Explains low voltage warnings and the power-saving sleep mode functionality.
Describes the primary RF and power connectors and their usage.
Details the sequence of screens shown when the MFJ-269D is powered on.
Introduces the five basic measurement modes accessible via the Mode button.
Explains how to select operating frequencies using rotary switches and the UHF pushbutton.
Provides guidelines for making accurate SWR and impedance measurements.
Details the procedure for measuring antenna SWR and impedance.
Explains how to measure signal loss in coaxial cables and other 50-ohm devices.
Describes how to measure capacitance (pF) and identify reactance (Xc).
Details how to measure inductance (uH) and identify inductive reactance (XL).
Explains how to use the MFJ-269D as a frequency counter.
Introduces special advanced functions like distance to fault and transmission line length.
Describes the procedure for entering the advanced operational modes.
Provides RF connection guidelines, including ESD protection for the antenna port.
Covers advanced impedance, SWR, return loss, resonance, and match efficiency measurements.
Details functions for measuring distance to fault, electrical length, and velocity factor.
Explains setting custom SWR reference impedance (Zo) and measuring loss in non-50 ohm systems.
Provides guidance on adjusting dipole antennas for optimal SWR.
Discusses tuning vertical antennas and factors affecting their performance.
Outlines steps for tuning simple antennas using SWR measurements.
Describes how to measure resonant frequency and tune stubs and transmission lines.
Explains how to accurately determine the velocity factor of any transmission line.
Details how to measure the impedance of transmission lines and antennas.
Shows how to use the MFJ-269D to adjust antenna tuners for a 1:1 SWR.
Covers testing and adjusting RF amplifier matching networks.
Explains how to test RF transformers and measure their impedance and bandwidth.
Provides methods for testing the performance of baluns.
Describes how to test RF chokes for series-resonance and identify potential issues.
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