MFJ MFJ-213 Bedienungsanleitung

ME)

MEFJ

Antenna

Analyzer

1.0

60.0

MHz

Model

MFJ-213

INSTRUCTION

MANUAL

CAUTION:

Read

All

Instructions

Before

Operating

Equipment

MFJ

ENTERPRISES,

INC.

300

Industrial

Park

Road

Starkville,

39759

USA

)2-323-5869

Fax:

662-323.

Tel:

66:

6551

CopymianT

2013

ENTERPRIBES,

INC.

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

DISCLAIMER

Information

this

manual

designed

for

user

purposes

only

and

nof|

intended

supersede

information

contained

customer

regulations,

technical

manuals/documents,

positional

handbooks,

other

official

publications.

The

copy

this

manual

provided

the

customer

will

not

updated

reflect

current

data.

Customers

using

this

manual

should

report

errors

omissions,

recommendations

for

improvements,

other

comments

MFJ

Enterprises,

300

Industrial

Park

Road,

Starkville,

39759. Phone:

(662)

323-5869;

FAX:

(662)

323-6551.

Business

hours:

M-F

8-4:30

CST.

Version

2012

MFI

Enterprises,

Inc

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

Contents

1.0

Introduction

2.0

Power

Sources

2.1

Internal

Batteries.

2.2

External

Power

Supply..

3.0

Operating

Mode...

3.1

Main

Screen...

3.1.1

Antenna

Analyzer

Mode

(1.Antenna)

3.1.2

Return

Loss

(2.Loss)

3.1.3

L/C

Measurement

Mode

(3.LC-meter)

3.1.4

Li-ion

Battery

Charge

(4.Chr)

3.1.5

Bluetooth

link

(6.BTIk

4.0

Frequency

Selection.

4.1

Variable

Tuning.

4.2

HF-Band

Selection

5.0

Accuracy

Limit

5.1

SWR

Measurements

and

Local

Interference

5.2

Checking

for

Local

Interference.

5.3

Detector

Linearity

and

Accuracy

5.4

Calibration-Plane

Error

5.5

Sign

Ambiguity

6.0

Antenna

Measurement:

6.1

Antenna

Connector:

6.2

SWR

6.3

Measuring

SWR

6.4

SWR,

Bandwidth,

and

Resonanci

6.5

Antenna

Tuning.

6.6

Antenna

matching

6.7

Matching

antennas

through

tuner

6.8

Antenna

Impedance

Readings

6.9

Unpredictable

SWR.

7.0

Advanced

Functions.

7.1

Stimulus

Generator

Signal

Sourc

7.2

Measuring

Unknown

Capacitance.

7.3

Measuring

Unknown

Inductance.

7.4

Determining

Cable

Velocity

Factor

7.5

Tuning

%4-Wave

'4-Wave

Coaxial

Stub..

7.6

Checking

Coax

Cable.

7.7

Testing

Transformers

7.8

Checking

Baluns

NOTES:

8.0

Quick

Guide

Analyzer

Controls

and

Functions

Powe

Power

Up:

Main

Screen:

Set

Stimulus

Frequency:

Return

Loss

Function

(2.Loss):

LIC

Function

(3,LC-mets

Charging

Function

(4.Chr

Technical

Assistance

MONTH

LIMITED

WARRANT"

Version

iii

2012

MFI

Enterprises,

Inc

—

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

1.0

INTRODUCTION

Important:

Read

Section-2

before

attempting

use

your

analyzer

applying

incorrect

operating

voltages

could

result

permanent

damage!

Also,

never

apply

voltage

the

antenna

connector.

General

Description:

The

MFJ-213

self-contained

handheld

analyzer

that

performs

the

following

diagnostic

functions:

SWR

(1:1

9.9:1)

Complex

Impedance

jX)

Impedance

Magnitude

Return

Loss

(in

dB)

Cable

Loss

(in

dB)

Capacitance

(in

pF)

Inductance

(in

uH)

The

MFJ-213

also

generates

0-dBm

signal

that

may

used

check

receivers,

networks,

amplifiers,

and

antenna

patterns.

Operating

range

is:

HF:

1.00

—

60.00

MHz

The

MFJ-213

uses

DDS

signal

generator

giving

stable

0dBm

signal

tuned

rotary

encoder.

Measurements

are

displayed

on an

easy-to-read

LCD

screen

with

optional

backlighting.

Power

supplied

internal

cells,

18650

Li-ion

cell

regulated

12-VDC

external

power

source

(not

included).

Weighing

just

over

1.3

pounds,

the

MFJ-213

package

fits

comfortably

one

hand

for

convenient

bench

work

on-the-fly

testing

the

field.

Operation

simple,

but

you

will

need

read

the

manual

learn

all

the

unit's

features

and

functions.

The

you

know

the

valuable

will

become

diagnostic

tool.

Version

2012

MFI

Enterprises,

Inc

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

2.0

POWER

SOURCES

The

MFJ-213

may

powered

with

internal

batteries,

18650

Li-ion

cell

with

external

supply.

avoid

needless

damage

and

ensure

top

performance,

please

the

guidelines

below

when

choosing

voltage

source.

2.1

Internal

Batteries

access

the

jumpers

and

battery

compartments,

remove

all

four

screws

securing

the

analyzer's

back

cover

and

carefully

open

the

case.

operate

the

MFJ-213

batteries

put

the

EXT

PWR-BAT

jumper

the

board

the

BAT

position

and

install

the

batteries.

The

MFJ-213

can use

either

cells

18650

LI-ion

cell

power

batteries.

Battery

power

requires

(three)

AA-size

1.5-volt

alkaline

cells.

Batteries

are

installed

fully

encased

3-cell

plastic

tray

mounted

inside

the

analyzer

enclosure.

Slide

the

battery

box

covers

sideways

unlatch,

and

then

lift

vertically

expose

the

cells.

When

replacing

old

batteries,

sure

the

manufacturer's

environmental

guidelines

for

safe

disposal.

For

longest

battery

life,

always

replace

with

matched

set

factory-fresh

cells.

The

MFJ-213

will

not

charge

batteries

the

cell

pack.

not

use

rechargeable

cells

the

pack.

The

battery

pack

plugs

into

the

socket

the

bottom

the

Board.

The

MFJ-213

can

also

hold

optional

rechargeable

18650

battery

and

charger

board.

This

battery

inserted

into

holder

that

placed

the

bottom

the

case.

Disassemble

the

case

listed

above

and

insert

the

battery

into

the

holder

making

sure

the

polarity

correct.

This

battery

recharged

from

the

external

supply

through

special

charging

circuit

(optional)

that

plugs

into

the

MFJ-213.

Charging

time

about

hours

using

the

MFJ-1312B.

See

the

section

the

charging

function

below

for

charging

the

battery.

The

battery

holder

has

circuit

built

prevent

the

battery

from

discharging

below

the

minimum

safe

voltage.

the

battery

has

discharged

that

point

new

battery

has

been

put

the

battery

must

Version

2012

MFJ

Enterprises,

Inc

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

charged

above

that

point

resetting

the

circuit

before

Li-ion

battery

will

function

the

MFJ-213.

2.2

External

Power

Supply

operate

the

MFJ-213

external

power

supply

plug

external

power

supply

onto

the

EXT

PWR

jack

the

top

the

unit..

Powering

the

MFJ-213

externally

requires

well-filtered

12V

supply

such

the

MFJ-1312D

capable

delivering

VDC

under

varying

load

conditions.

Current

drain

ranges

from

180

mA,

depending

operating

mode,

frequency

range,

and

whether

not

the

display

backlight

on.

The

unit's

external

power

jack

located

the

front

panel

and

accepts

standard

2.1-mm

power

plug.

Positive

voltage

(+)

must

applied

the

connector's

center

pin.

Important Warnings:

Reverse

polarity

excessive

voltage

could

permanently

damage

the

MFJ-213!

avoid

damage:

Never

connect

transformer

positive-ground

power

source

Never

install

remove

batteries

with

external

power

connected

3.0

OPERATING

MODE

Once

you

have

suitable

power

(battery

external),

you're

ready

explore

the

analyzer's

basic

operating

features.

Begin

pressing

the

red

PWR

button

on.

BAND

ESC

MODE

PWR

morF

3.1

Main

Screen

The

individual

functions

are

listed

the

main

screen

and

are

selected

rotating

the

TUNE/SELECT

knob

then

pushing

the

TUNE/SELECT

knob

select

the

function.

exit

from

any

the

functions

press

the

ESC

button

return

the

Main

Screen.

»BT1k

ard

Version

2012

MFI

Enterprises,

Inc

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

3.1.1

Antenna

Analyzer

Mode

(1.Antenna)

The

MFJ-213

may

used

measure

the

impedance,

complex

impedance

and

SWR

antenna

connected

the

antenna

connector

this

function.

There

are

3 sub-modes

selected

with

the

MODE

button.

Default

the

impedance

measurements.

The

mode

reads

the

external

power

supply

voltage

(Pv)

when

connected

external

charger

and

the

battery

voltage

(Bv)

when

batteries

are

installed.

When

the

external

supply

internal

batteries

are

not

installed

then

those

numbers

are

not

valid.

The

third

mode

measurement

external

noise

that

can

cause

erroneous

readings.

Stimulus

Frequency

\plex

Taianee

3.1.2

Return

Loss

(2.Loss)

Impedance

Com

This

function

the

MFJ-213

reads

the

return

loss

and

SWR

antenna

connected

the

antenna

connector.

There

are

two

modes

this

function.

The

default

return

loss

and

the

mode

selected

pressing

the

MODE

button

cable

loss.

The

cable

loss

measured

connecting

the

cable

the

antenna

connector

and

leaving

the

other

end

open

unterminated.

This

mode

for

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

used

measure

the

value

unknown

capacitors

and

inductors.

measure

L/C

values,

select

this

function,

connect

the

device

tested

the

antenna

jack

and

the

procedure

outlined

below:

Measure

Capacitance

the

display

does

not

indicate

the

top

line

and

the

second

line

press

the

MODE

button

till

this

mode

selected.

The

capacitance

that

frequency

displayed

and

the

capacitive

reactance

displayed

the

far

right.

Stimulus

Frequency

Capacitance

Reactance

Measure

Inductance

Version

2012

MFJ

Enterprises,

Inc

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

Press

the

MODE

button

till

the

display

indicates

the

top

line

and

the

second

line

this

mode

selected.

The

inductance

that

frequency

displayed

and

the

inductive

reactance

displayed

the

far

right.

Stimulus

Frequency

18,

MHz

Inductance

SWR

3.1.4

Li-ion

Battery

Charge

(4.Chr)

Charging

the

Li-ion

battery

done

using

special

charger

(optional)

plugged

into

the

MFJ-213.

The

external

power

supply

must

first

plugged

into

the

unit

for

the

charger

function.

Note

just

plugging

the

external

supply

will

not

charge

the

battery.

charge

the

Li-ion

battery

installed

you

rotate

the

TUNE/SELECT

knob

this

function

then

press

the

TUNE/SELECT

knob

in.

The

charging

circuit

will

come

displaying

CHARGING

and

will

run

till

fully

charged.

3.1.5

Bluetooth

link

(6.BTIk)

This

option

that

plugged

into

the

MFJ-213

allowing

you

link

the

MFJ-213

android

device.

See

the

installation

instructions

with

this

option

installation

and

use.

4.0

FREQUENCY

SELECTION

The

MFJ-213

covers

the

region

(1.5-60

MHz)

4.1

Variable

Tuning

The

MFJ-213

tunes

continuously

from

1.500

60.000

MHz

turning

the

TUNE/SELECT

knob.

The

tuning

speed

can

selected

pushing

the

TUNE/SELECT

knob

select

which

digit

increment.

The

frequency

displayed

the

LCD

display

will

have

bar

under

the

digit

that

will

incremented

and

pushing

the

knob

advances

the

bar

the

digit

between

KHz

and

MHz

the

Analyzer

mode

and

10Hz

and

MHz

the

other

modes.

Stimulus

Frequency

You

can

select

each

the

amateur

bands

instead

turning

the

tuning

knob

pressing

the

BAND

button.

Frequency

Step

Marker

4.2

HF-Band

Selection

Version

2012

MFI

Enterprises,

Inc

MF/J-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

Before

moving

the

section,

take

time

review

the

MFJ-213’s

basic

set-up

procedures.

Operation

becomes

second

nature

quickly,

but

should

you

need

it,

there’s

supplemental

"quick

guide"

the

back

for

reference

(Section

8.0).

The

remainder

the

manual

will

focus

general

instructions

and

helpful

tips

for

making

accurate

measurements.

5.0

ACCURACY

LIMITS

The

MFJ-213

will

serve

your

“eyes

and

ears”

when

working

with

systems,

and

can

deliver

results

that

rival

units

costing

thousands

dollars.

However,

all

handheld

analyzers

certain

limitations,

and

being

aware

them

will

help

you

achieve

meaningful

results.

5.1

SWR

Measurements

and

Local

Interference

The

MFJ-213

(and

other

hand-helds)

uses

broadband

diode

detector

that

open

receiving

signals

across

the

entire

radio

spectrum.

Most

the

time,

the

unit's

built-in

stimulus

generator

powerful

enough

overcome

any

lack

front-end

selectivity

and

override

stray

pickup.

However,

powerful

transmitter

located

nearby

could

inject

enough

energy

into

the

detector

disrupt

readings.

this

condition

occurs,

performance

will

become

erratic

and

SWR

readings

may

appear

higher

than

they

really

are.

5.2

Checking

for

Local

Interference

Unlike

many

analyzers,

the

MFJ-213

has

onboard

function

for

identifying

local

interference.

the

1.Antenna

function

simply

switch

the

third

mode

and

note

the

readings

you

obtain

with

the

antenna

connected.

strong

signal

(>100)

registers

the

display,

then

suspect

interference.

the

interfering

source

can't

turned

off

your

antenna

can't

moved

different

location,

you

may

need

use

station

transceiver

and

thru-line

directional

Wattmeter

complete

the

adjustments.

Stimulus

Frequency

Noise

level

Noise

indicator

5.3

Detector

Linearity

and

Accuracy

Diode

detectors

typically

become

non-linear

very

low

voltages.

Because

diode

non-linearity,

it's

not

uncommon

for

two

identical

analyzers

show

slightly

different

readings

when

checking

load

with very

low

SWR

(or

low

RF-return

voltage).

For

example,

one

analyzer

may

read

1.2:1

while

another

reads

1.1:1

when

checking

the

same

antenna.

The

MFJ-213

electronically

compensated

minimize

detector

error,

but

aware

the

potential

for

minor

differences.

Version

2012

MFI

Enterprises,

Inc

MFJ-213

HF/VHF/UHF

Antenna

Analyzer

Instruction

Manual

5.4

Calibration-Plane

Error

The

analyzer’s

calibration

plane

the

point

reference

where

all

measurements

have

the

greatest

accuracy

(gain

reference=0

dB,

phase

shift

0-degrees).

For

basic

hand-held

units

the

MFJ-213,

the

calibration

plane

fixed

the

antenna

connector.

such,

any

measurement

made

through

cable

will

displace

the

load

from

the

calibration

plane

and

introduce

some

amount

error.

For

SWR

readings,

error

mainly

caused

losses

the

cable.

Specifically,

SWR

will

read

somewhat

lower

through

length

cable

than with

the

analyzer

connected

directly

the

direct

load

because

the

forward

and

reflected

stimulus

signals

are

attenuated

the

feedline.

The

loss

there

the

cable,

the

greater

the

error.

Most

the

time,

this

inaccuracy

isn’t

problem

because

the

SWR

you

measure

with

the

analyzer

the

same

SWR

the

radio

will

encounter

when

connected.

However,

you

wish

know

the

antenna’s

actual

feedpoint

SWR

for

documentation

purposes,

the

analyzer

should

connected

directly

the

feed

point

through

short

pigtail.

Calibration-plane

error

has

much

significant

impact

when

attempting

measure

impedance

values

because

phase

rotation

the

cable.

fact,

impedance

readings

can

swing

dramatically,

depending

the

cable’s

electrical

length

and

the

severity

the

load’s

mismatch

with

reference

Ohms.

For

accurate

impedance

data,

always

connect

the

analyzer

directly

the

antenna

device

you're

testing

using

the

shortest

lead

possible.

5.5

Sign

Ambiguity

Most

hand-held

analyzers

(including

the

MFJ-213)

lack

the

processing

capability

calculate

the

reactance

sign

for

complex

impedance

j).

default,

the

MFJ-213

displays

plus

sign

between

the

resistive

and

reactive

values,

but

this

sign

merely

placeholder

and

not

calculated

data

point.

Although

the

analyzer’s

processor

can’t

calculate

sign,

can

often

determined

with

small

adjustment

the

TUNE

control.

determine

sign,

TUNE

the

analyzer

up-frequency

slightly

(1.)

reactance

decreases,

the

sign

likely

(

)

and

the

reactance

capacitive

(Xc).

(2.)

reactance

increases,

the

sign

likely

(

)

and

the

reactance

inductive

(X:).

Version

2012

MFI

Enterprises,

Inc

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