TPL Communications 8-1AC RF Power Amplifier User Manual PA8 1AC

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Document ID	1260722
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Date Submitted	2010-04-01 00:00:00
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Document Title	Microsoft Word - User Manual PA8-1AC.doc
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Document Author:	chris

USER’S MANUAL
UHF HIGH BAND
CONTINUOUS DUTY
RF POWER AMPLIFIER
PA8 - 1AC
3370 SAN FERNANDO ROAD, #206
LOS ANGELES, CA 90065
TEL: (323) 256-3000
FAX: (323) 254-321
E-mail: tech.support@tplcom.com.
TABLE OF CONTENTS
I.
II.
III.
IV.
V.
VI.
VII.
VIII.
PRODUCT DESCRIPTION
GENERAL SPECIFICATION
OPTIONS
CAUTION
OPERATING PRECAUTIONS
INSTALLATION
WARRANTY
SERVICE
I. PRODUCT DESCRIPTION
The PA8-1AC model is a UHF high band continuous duty RF power amplifier
intended for use in repeater applications. This amplifier can deliver RF power
from 5 to 45 watts when driven with 1.0 to 3.0 watts and it will cover the
frequency range from 806 MHz to 869 MHz. These amplifiers are designed to be
installed in a 19-inch rack.
The amplifier’s dimensions are 19” W x 5 ¼” H x 4 ½” D and the weight is 8 lbs.
Figure 1.
II. GENERAL SPECIFICATIONS
ELECTRICAL SPECIFICATIONS @ VDC = 13.8 VDC. Nom., T = 25° C;
Parameter
Symbol
Min
Typ
Max
Unit
Frequency Range
BW
806.000
869.000
MHz
Operating bandwidth within
OBW
63.0
MHz
range
Input Power
PIN
1.0
3.0
Watt
Output Power
POUT
45
50
Watt
Output Flatness
∆POUT
±0.5
dB
Small Signal Gain
10
dB
Harmonic Emissions
Har
-60
dBc
Spurious Emissions
Spur
-60
dBc
Operating Voltage
VDD
11
13.8
15
Volt DC
Supply Current
IDD
10
Amp DC
Input VSWR
S11
2:1
VSWR
Operating Mode
Mode
CW/FM
Impedance, Input
ZIN
50
Ω
Impedance, Output
ZOUT
50
Ω
Duty Cycle
100
Receive Bypass Relay
ENVIRONMENTAL CHARACTERISTICS
Parameter
Symbol
Min
Operating Temperature
TO
-30
Storage Temperature
TS
-30
Operating Humidity
HO
Storage Humidity
HS
Typ
MECHANICAL PROPERTIES
Parameter
Value
Dimensions
19”W x 5 1/4”H x 4 1/2” D
Weight
RF Connectors, In/Out
Type “N”
DC Connector
Terminal Block
Cooling
Forced Air (Fan)
Max
+60
+80
85
95
Unit
°C
°C
Units
inch
lb
Limits
max
max
Condition
Within OBW
POUT = 45 W
POUT = 45 W
per EIA/TIA-603-C
Not Included
Condition
relative, non-condensing
relative, non-condensing
Condition
SPECIAL CHARACTERISTICS
End-user accessible thru-hole multi turn potentiometer for adjusting output power from 5 W to 45 W.
III. OPTIONS
TPL Communication’ UHF high band continuous duty RF Power Amplifiers are
available with several options: input, output, frequency ranges and
configurations, special logos, etc., when specified at the time of order. We work
closely with you, our customer, to develop products that are in complete
compliance with your needs and specifications.
NOTE: All TPL Standard UHF high band continuous duty RF power amplifiers
are factory-tuned to the frequency specified at the time of order. Broader
coverage is available. Contact TPL Communications for details.
IV. CAUTION!
Inspect the amplifier thoroughly upon receipt for visible damage. If any is noticed,
please call TPL Communications at 800 HI POWER / (800)447 - 6937 or e-mail
to tech.support@tplcom.com to request an RMA (Return Material
Authorization) number. If purchased through a dealer or distributor, ask them to
follow this procedure for best results.
EXPENSIVE COMPONENTS MAY BE DESTROYED IF THE AMPLIFIER IS
TURNED ON IN A DAMAGE CONDITION.
FCC CERTIFICATION
TPL Communications commercial amplifiers are FCC certified for the use in
Land and Marine mobile/fixed services. The technician installing this amplifier
must hold a General Radio Telephone permit and be familiar with the pertinent
FCC rules and regulations.
Harmonics and other spurious signals from this amplifier are attenuated
according to the product specification or beyond FCC requirements. For further
details consult the appropriate publications.
V. OPERATING PRECAUTIONS
CAUTION:
This amplifier produces RF voltages that can cause painful and
dangerous burns. Use caution! Connect and disconnect all RF
connections with the drive power and DC power off.
DRIVE POWER:
RF power transistors, although quite rugged in most respects, are easily
damaged by overdrive. Be careful not to overdrive the amplifier even
momentarily (before applying any drive signal please check product
specification for details). Higher-than-rated drive power may destroy
transistors and VOID ANY WARRANTY.
SUPPLY VOLTAGE:
The maximum operating voltage is 15.0VDC. When using a DC power
supply make sure that it is not adjusted above 15 volts. If it is possible
for the voltage to go above 15 Volts for any reason, including failure of
the power supply, install a “crowbar” circuit to prevent damage to the
amplifier in the event of excess voltage.
CASE TEMPERATURE
High power can mean high temperatures. Mount the amplifier where air
can freely circulate into the cooling fan and where clothing, blankets, etc.
will not accidentally be placed over it.
TERMINATIONS
The efficiency of this amplifier will degrade if it is operates into anything
but a 50 Ω load. Lowered efficiency may mean any or all of the following:
lower power output, increased current drain, higher operating
temperature and reduced lifetime.
VI. INSTALLATION
The PA8-1AC amplifiers are designed for mounting in a standard 19-inch rack.
When picking a location in the rack, considerations must be given to RF cable
lengths as well as cooling. Mount the amplifier away from the sources of heat
where dust and other debris are not likely to clog the cooling fan and as close to
the antenna as practical. Keep coaxial cable runs short, avoiding sharp bends
and pinching. Avoid loose connectors at the ends of the coaxial cables. The
antenna should be matched to a VSWR better than 1.5:1 for best results. Higher
VSWR will degrade the performance of the amplifier.
1. Connect the DC power using #14 AWG wiring if possible and certainly no
lighter than #16 AWG. To avoid a possible fire or other possible damage,
make sure a fuse or circuit breaker is installed at the power supply end of the
wires. Use the same size fuse as the amplifier’s fuse.
2. Connect the antenna to the “RF OUT” terminal with a 50Ω coaxial cable and
type “N” male plug.
3. Turn off your radio transmitter. Connect it to the “RF INPUT” terminal with a
50Ω coaxial cable and type “N” male plug.
4. For safety, ensure that the rack and all equipment connected to the amplifier,
have proper ground connection. Do not rely on coaxial cable shielding.
Assure the installation has proper lightning protection.
VII. WARRANTY
TPL COMMUNICATIONS has tested and found this unit to function properly and
to operate within the parameters of its stated specifications.
TPL COMMUNICATIONS warrants that this product is free from defects in
material and workmanship. If found to be defective within two (2) years from the
date of purchase, the factory will, at its discretion, either repair or replace the unit
at no cost, provided the unit is delivered by the owner to the factory intact. The
warranty does not apply to any product which as been subjected to misuse,
neglect, accident, improper installation or used in violation of the instructions
furnished by TPL, nor does it extend to units which have been repaired or altered
outside our service department, nor where the serial number has been removed,
defaced or changed.
VIII. SERVICE
For service on this amplifier, contact:
TPL COMMUNICATIONS
Customer service department
Phone: (323) 256-3000
(800) HI POWER
FAX: (323) 254-3210
EMAIL: tech.support@tplcom.com
For information on other
TPL products visit our web site at:
www.tplcom.com

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Producer                        : Nitro PDF PrimoPDF
Create Date                     : 2010:03:25 11:30:57+07:00
Modify Date                     : 2010:03:25 11:30:57+07:00
Title                           : Microsoft Word - User Manual PA8-1AC.doc
Creator                         : PrimoPDF http://www.primopdf.com
Author                          : chris

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