MFJ 269 SWR ANALYZER
The MFJ-269 covers 1.8 to 170 MHz and 415 to 470 MHz.
It includes a large easy-to-read two line LCD display and side-by-side meters
which clearly display their information. A built-in Ni-Cad/Ni-MH charger
circuit, battery saver, low battery warning, and jack for attaching an external
power source give many power options. Use as signal source for
testing and alignment. The built-in Coax Calculator calculates coax line
length in feet given coax length in electrical degrees and vice versa for any
frequency and any velocity factor (great for building matching sections and
phasing lines). A 12-bit A/D converter gives outstanding better accuracy
and resolution.
With this meter you can read antenna SWR and Complex Impedance
from 1.8 - 170 MHz. This model even has a built in frequency
counter. Read Complex Impedance as series equivalent resistance and
reactance (Rs+jXs) or as magnitude (Z) and phase (degrees). It will also read
parallel equivalent resistance and reactance (Rp+jXp). You can determine
velocity factor, coax loss in dB, length of coax and distance to short or open
in feet.
The 269 will read SWR, return loss and reflection
coefficient at at any frequency simultaneously with each being displayed at the
same time. It will also
read match efficiency and read inductance in UH and capacitance in pF at
RF frequencies. You can measure SWR and loss of coax with any characteristic
impedance from 10 to over 600 Ohms, including 50, 51, 52, 53, 73, 75, 93, 95,
300, 450 Ohms.
This version has several 415 to 470 MHz Range features. Just attach your UHF antenna coax, set the desired frequency and you can read SWR, return loss and reflection coefficient simultaneously. You can read coax cable loss in dB and match efficiency. This machine will test and tune stubs and coax lines. It will allow you to manually determine velocity factor and impedances of transmission lines. You can adjust and test RF matching networks and RF amplifiers without applying power. It has an easy-to-read LCD logarithmic SWR bar graph and SWR meter for quick tuning.
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