PWS S8683 User manual

Audio & RF ConsultantsSalesRentalsInstalls
9401 American Eagle Way, Suite 100 Orlando FL 32837
Phone: [phone] www.professionalwireless.com Fax: [phone]
S8683 PWS RECEIVE LINE AMPLIFIER, +5/+15
The S8683 PWS Receive Line Amp is an InGaP HBT monolithic amplifier. The
S8683 is intended for remote-mounting antennas to a receiver or DB series
antenna distribution system in large installations in order to shorten the
distance from the transmitters. The unit receives power through its output
port from the receiver or distribution amplifier or with an optional 12VDC
power supply unit (sold separately). When an antenna is remote-mounted,
the S8683 amplifies the received radio signals in order to isolate antennas
from cable interactions. The unit also features a gain selector switch to adjust
for longer lengths of coaxial cable (5 dB for under 100 ft, 15 dB for over 100
ft).
INSTALLATION INSTRUCTIONS
1. Determine the length of cable required to connect the S8683 amplifier to the receiver or PWS GX-4 or GX-8 antenna distribution system.
2. Connect the antenna to the “To Antenna” port on the unit.
3. Connect the “To Receiver” port to the receiver or PWS GX-4 or GX-8 antenna distribution system using low-loss 50 ohm cable.
4. For installations with extremely long cable runs, an extra S8683 amplifier may be necessary. If so, repeat steps 1 to 3 and then refer to
the instructions for adjusting for different cable lengths.
IMPORTANT:
Always use low-loss 50 ohm cable, such as RG-8X or equivalent. PWS S9046 25 ft or 50 ft or 100 ft cables are recommended.
Always test and adjust the positioning of antennas for each individual setup. Experiment with the location of the antennas in order to find the
optimum location.
APPLICATION
Each setup situation is unique and the techniques will vary for each one. Generally, the antennas should be as far apart as possible in order to
create the widest RF field and ensure signal reception. In a diversity system, PWS recommends that the two antennas be positioned at 45
degree angles pointing away from one another in order to guarantee the widest possible RF field and minimize the chance of the RF signal
dropouts.
ADJUSTING FOR DIFFERENT CABLE LENGTHS
The longer the length of the coaxial cables between the receiver or GX-4 or GX-8 antenna distribution system and the antennas, the greater
the signal loss. In order to compensate for this loss, the S8683 amplifier comes equipped with a gain switch (5 dB or 15 dB).
Set the gain switch to the 5 dB position for cables up to 100 ft. For cables over 100 ft, set the gain switch to 15 dB (see Figure 1).
If the coaxial cable required is over 200 ft, a maximum of two S8683 amplifiers can be chained together.
DC SWITCH OPERATION
When using “daisy chain” operations, be sure to set the DC switch to pass (see Figure 1).

2
PASS
DC
BLOCK
RF
INPUT
GAIN
5 dB
15 dB
DC
INPUT
RF
OUTPUT
INPUT/ANTENNA SIDE OUTPUT/RECECIVER SIDE
DC SWITCH
FOR “DAISY
CHAIN”
OPERATIONS
BNC
CONNECTOR
GAIN SELECT
SWITCH BI-COLOR LED
INDICATOR LOCAL DC
POWER INPUT
BNC
CONNECTOR
Figure 1
NOTE: For additional assistance, please call the PWS technical department.
SPECIFICATIONS
RF Frequency Range
10-800 MHz
Noise Figure
2.7 dB
Switchable Gain Selections
5 dB or 15 dB
DC Voltage
4.0 min to 15.0 max VDC
DC/AC Power Source
PSU Optional, 12VDC 1 amp with
locking plug
DC Feed-through
Switch controlled for “Daisy Chain”
operations
RF Connector
BNC type, female
Operating Current
65mA
Input Power (no damage)
+13dBm
Note: Permanent damage may
occur if any of these limits are
exceeded
Dimensions
4.0 in. L x 3.15 in. W x 1.15 in. D
Construction Material
Blue Anodized, Aluminum
Net Weight (without cable)
0 lbs 6.5 oz
WARRANTY AND SERVICE INFORMATION
Professional Wireless Systems (PWS) manufactured products are warranted against defects in material and workmanship for a period of one year from date of
original purchase, inclusive of parts and labor. This warranty excludes units that have been modified, repaired by unauthorized personnel, or damaged by abuse,
improper operation, natural elements or static electricity.
PWS reserves the right to make changes and/or improvements to its products, without incurring any obligation to incorporate such changes or improvements in
products previously sold or shipped.
PWS MAKES NO WARRANTIES, EXPRESS OR IMPLIED, OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. FURTHER, PWS ASSUMES NO LIABILITY
WHATSOEVER FOR REAL OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS, INCONVENIENCE OR ANY OTHER LOSSES DIRECTLY OR INDIRECTLY ARISING FROM THE
USE OF OR THE INABILITY TO USE ANY OF ITS PRODUCTS EITHER SEPARATELY OR IN COMBINATION WITH OTHER EQUIPMENT OR MATERIALS.
PWS’ sole liability under this limited warranty shall be, at our discretion, the repair or replacement of defective products or components. To invoke this warranty, a
claim must be received by PWS within the warranty period stated above and verified by PWS. Claims may be made by phone [phone]) or fax [phone]).
Upon authorization, product shall be sent to PWS freight prepaid in the original or equivalent packaging. Products returned with excluded condition(s), out of
warranty, or without authorization will be subject to parts and labor charges at prevailing rates. After a warranted product is repaired or replaced, PWS will return it
freight prepaid.