MFJ MFJ-213 - Antenna Analyzer Mode (1.Antenna); Return Loss (2.Loss); L;C Measurement Mode (3.LC-Meter)

MFJ-213 HF/VHF/UHF Antenna Analyzer Instruction Manual
3.1.1 Antenna Analyzer Mode (1.Antenna)
The MFJ-213 may be used to measure the impedance, complex impedance
and SWR of an antenna connected to the antenna connector in this function.
There are 3 sub-modes selected with the MODE button. Default is the
impedance measurements. The next mode reads the external power supply
voltage (Pv) when connected to an external charger and the battery voltage
(Bv) when batteries are installed. When the external supply or internal
batteries are not installed then those numbers are not valid. The third mode is
a measurement of external noise that can cause erroneous readings.
Stimulus Frequency
=A
\plex Taianee 3.1.2 Return Loss (2.Loss)
Impedance Com
This function on the MFJ-213 reads the return loss and SWR of an antenna
connected to the antenna connector. There are two modes in this function.
The default is return loss and the next mode selected by pressing the MODE
button is cable loss. The cable loss is measured by connecting the cable to
the antenna connector and leaving the other end open or unterminated. This
mode is for 50 ohm cables.
Stimulus Frequency Stimulus Frequency
Return Loss SWR 3.1.3 LIC Return Loss SWR
Measurement Mode (3.LC-meter)
The MFJ-213 may be used to measure the value of unknown capacitors and
inductors. To measure L/C values, select this function, connect the device to
be tested to the antenna jack and follow the procedure outlined below:
Measure Capacitance
If the display does not indicate Xc in the top line and C= in the second line
press the MODE button till this mode is selected. The capacitance at that
frequency is displayed and the capacitive reactance is displayed to the far
right.
Stimulus Frequency
Mb
C FF 13
Capacitance
Reactance
Measure Inductance
Version | 4 © 2012 MFJ Enterprises, Inc