DRAKE DDA5542R Instruction Manual
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MODEL DDA5542R
INDOOR
DISTRIBUTION
AMPLIFIER
FORWARD PATH INTERSTAGE
-30 dB OUTPUT
MONITOR
GAIN
SLOPE
MAX
FLAT
-30 dB
INPUT
MONITOR
MIN
MAX
POWER IN
24 VDC
INPUT
FWD
AMP
FWD
AMP
H
P
F
L
P
F
HPF
LPF
POWER LED
c
ONE YEAR LIMITED WARRANTYONE YEAR LIMITED WARRANTY
ONE YEAR LIMITED WARRANTYONE YEAR LIMITED WARRANTY
ONE YEAR LIMITED WARRANTY
R.L.DRAKE COMPANY warrants to the original purchaser this product shall be free from defects in material or workmanship for one
(1) year from the date of original purchase.
During the warranty period the R.L.DRAKE COMPANY or an authorized Drake service facility will provide, free of charge, both parts
and labor necessary to correct defects in material and workmanship. At its option, R. L. DRAKE COMPANY may replace a defective
unit.
To obtain such warranty service, the original purchaser must:
(1)(1)
(1)(1)
(1) Retain invoice or original proof of purchase to establish the start of the warranty period.
(2)(2)
(2)(2)
(2) Notify the R.L.DRAKE COMPANY or the nearest authorized service facility, as soon as possible after discovery of a possible
defect, of:
(a) the model and serial number,
(b) the identity of the seller and the approximate date of purchase; and
(c) A detailed description of the problem, including details on the electrical connection to associated equipment and the list of such
equipment.
(3)(3)
(3)(3)
(3) Deliver the product to the R.L.DRAKE COMPANY or the nearest authorized service facility, or ship the same in its original container
or equivalent, fully insured and shipping charges prepaid.
Correct maintenance, repair, and use are necessary to obtain proper performance from this product. Therefore carefully read the
Instruction Manual. This warranty does not apply to any defect that R.L.DRAKE COMPANY determines is due to:
(1)(1)
(1)(1)
(1) Improper maintenance or repair, including the installation of parts or accessories that do not conform to the quality and
specifications of the original parts.
(2)(2)
(2)(2)
(2) Misuse, abuse, neglect or improper installation.
(3)(3)
(3)(3)
(3) Accidental or intentional damage.
All implied warranties, if any, including warranties of merchantability and fitness for a particular purpose, terminate one (1) year
from the date of the original purchase.
The foregoing constitutes R.L.DRAKE COMPANY’S entire obligation with respect to this product, and the original purchaser shall
have no other remedy and no claim for incidental or consequential damages, losses or expenses. Some states do not allow limitations
on how long an implied warranty lasts or do not allow the exclusions or limitation of incidental or consequential damages, so the above
limitation and exclusion may not apply to you.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state. This warranty shall
be construed under the laws of Ohio.
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WARRANTY
TM is a trademark of the R.L. Drake Company
© Copyright 2004 R.L. Drake Company P/N: 3852724B-9-2004 Printed in Taiwan
The DRACOM model DDA5542R is a broadband
distribution amplifier designed for indoor use in both
residential and commercial buildings where RF signal
distribution in the frequency range of 54 to 550 MHz
is required. A passive return path is also provided
with a frequency range of 5 to 36 MHz. The
DDA5542R has a gain of 42 dB. The amplifier
incorporates a push-pull hybrid output amplifier to
provide a high quality, low distortion signal for a cable
TV “drop”, or, the output of an SMATV headend.
Gain is variable within a specified range using the
Gain control. A Slope control is provided to slope
the frequency response. An output test connector is
provided for convenient monitoring of the signal path.
The amplifier circuitry is designed for maximum
stability and is housed in a rugged aluminum
housing. The unit operates from 24 VDC provided by
the supplied power supply. To facilitate installation, a
connector is provided in the cable between the
amplifier and supply.
Be careful not to break the controls or force the
screwdriver past the controls, as circuit damage
could result. These types of adjustments will
generally require monitoring of the signal path at the
test connector. The levels measured at the input
monitor connector are 30 dB lower than the input.
The levels measured at the output monitor connector
are 30 dB lower than the output. The output load
must be connected to the output connector before
measurement from the monitor output is accurate.
Gain settings must take into account the maximum
permissible output level of this amplifier unit for the
total number of input channels. Refer to the
CHANNEL LOADING CHART on page 4, for specific
information. The gain adjustment range is limited and
will not correct for unequal signal levels between
channels in the same band. Establishing relatively
equal signal levels between channels is essential.
The Slope control permits sloping the overall
frequency response to compensate for the effect of
increasing signal loss of the higher frequency signals
in a length of connected coaxial cable.
AC ADAPTER
POWER
SUPPLY CORD
75 Ohm
OUTPUT
R.L. DRAKE COMPANY
230 INDUSTRIAL DRIVE
FRANKLIN, OHIO 45005 U.S.A.
WORLD WIDE WEB SITE: http://www.rldrake.com
®
For service information contact:
Service Department
R.L. DRAKE COMPANY
230 Industrial Drive
Franklin, Ohio 45005 U.S.A.
Customer Service Center Phone: +1 (937) 746-6990 TELEFAX: +1 (937) 743-4576
AC MAINS CORD
Installation:
1) Unpack the Distribution amplifier and power
supply.
2) Locate the Distribution amplifier to permit both the
required signal cable connections and power
connections. Note that the amplifier housing has
holes to permit mounting the amplifier to a wall using
screws, if desired. When mounting the amp on a
wall, position the amp so that the heatsink fins are on
the left and right sides and NOT on the top and
bottom. Unplug the power cord connector to facilitate
routing the cord.
3) With all cable connections made to the amplifier,
and the power supply cord routed, reconnect the DC
power cord and then plug the AC line cord into a
source of 120VAC, 50/60 Hz power.
4) Use a screwdriver to adjust the Gain and/or Slope
controls for the desired frequency response.
MOUNT THIS END UP
CHANNEL LOADING CHART
CH. LOADING MAX. OUTPUT EACH CH.
77 44 dBmV
60 46 dBmV
36 48 dBmV
16 51 dBmV
12 52 dBmV
6 55 dBmV
1 60 dBmV
TO OUTPUT
MONITOR
TO INPUT
MONITOR
DDA5542R Distribution Amplifier Instructions 1
75 Ohm
INPUT