background image

 

Page

 

5

 

of

 

10

 

INSTRUCTION

 

MANUAL

 

ALFM

80120

 

Log

 

periodic

 

Antenna

 

 

19121

 

El

 

Toro

 

Rd

 

 

Silverado,

 

CALIFORNIA

 

92676

 

 

(949)

 

459

9600

 

com

power.com

 

REV111315

 

3.0

 

Important

 

Safety

 

Precautions

 

Do

 

not

 

exceed

 

Max

 

RF

 

input

 

level

 

stated

 

in

 

the

 

specifications.

 

Excessive

 

RF

 

input

 

might

 

damage

 

the

 

RF

 

feeder

 

cable

 

or

 

connector.

 

When

 

in

 

operation,

 

the

 

RF

 

voltages

 

on

 

the

 

center

 

pin

 

of

 

the

 

RF

 

input

 

connector

 

are

 

transferred

 

to

 

the

 

feeder

 

tubes

 

and

 

elements

 

and

 

it

 

can

 

be

 

hazardous.

 

Do

 

not

 

come

 

into

 

contact

 

with

 

the

 

feeder

 

tubes

 

or

 

elements

 

when

 

the

 

RF

 

input

 

connector

 

is

 

connected

 

to

 

a

 

live

 

RF

 

source.

 

To

 

avoid

 

injury

 

to

 

personnel

 

and

 

accidental

 

damage

 

to

 

power

 

amplifier

 

or

 

antenna,

 

disable

 

the

 

RF

 

output

 

of

 

power

 

amplifier

 

before

 

connecting

 

or

 

disconnecting

 

the

 

input

 

connection

 

to

 

the

 

antenna.

  

 

Summary of Contents for ALFM-80120

Page 1: ...ION MANUAL ALFM 80120 Log periodic Antenna 19121 El Toro Rd Silverado CALIFORNIA 92676 949 459 9600 com power com REV111315 INSTRUCTION MANUAL Log Periodic Antenna ALFM 80120 88 MHz to 108 MHz Extendi...

Page 2: ...n 3 2 0 Product Specifications 4 3 0 Important Safety Precautions 5 4 0 Warranty 6 5 0 Maintenance 6 6 0 Assembly Instructions 7 7 0 Typical Performance Data 9 Figure 1 Assembly diagram of antenna 7 F...

Page 3: ...EV111315 1 0 Introduction This manual includes product specifications safety precautions product maintenance and warranty information Information contained in this manual is the property of Com Power...

Page 4: ...to 120 MHz Polarization Linear Nominal Impedance 50 Power Handling 2500 watts CW max Connector 7 16 DIN Female Antenna Factor 6 to 8 dB m 1 1 mtr distance Isotropic Gain 1 5 to 5 dBi 1 mtr distance VS...

Page 5: ...r cable or connector When in operation the RF voltages on the center pin of the RF input connector are transferred to the feeder tubes and elements and it can be hazardous Do not come into contact wit...

Page 6: ...om Power recognize or assume liability for any loss damage or expense arising either directly or indirectly from the use or handling of this product or any inability to use this product seperately or...

Page 7: ...ssembly are a The sequence of elements based on length of each element b The direction of protrusion extension of each element on each feeder tube The basic diagram below shows the Right hand side vie...

Page 8: ...groove on the underside of the bottom feeder tube is marked respectively for easy pairing with elements There is an arrow indicator next to each number which depicts direction of the protrusion of th...

Page 9: ...LFM 80120 Log periodic Antenna 19121 El Toro Rd Silverado CALIFORNIA 92676 949 459 9600 com power com REV111315 7 0 Typical Performance Data Figure 3 Antenna Factor and Isotropic Gain 1 mtr test dista...

Page 10: ...m power com REV111315 Figure 5 Typical forward power levels Field strengths have been calculated for free space conditions Individual shielded rooms amplifiers and test system conditions will influenc...

Reviews: