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S14WI Splitter for Wireless
Features
• • • • Active or Passive Options Available
• • • • Optional Antenna Current Monitor
and Alarm
• Optional Antenna DC Bias Select
• Pole-mount Environmental Housing
Available (IEC 529 level IP55)
• Surge Protection Available
(Tested to EN61000-4-5)
Description
Designed to eliminate the cost of multiple antennas and long cable runs in wireless base
stations applications, the S14WI can satisfy the demanding, high reliability requirements of the
wireless infrastructure market. The GPS Source S14WI is a high performance GPS signal
splitter that can be configured to monitor the GPS antenna current and provide an alarm
indication if the antenna is not operating according to spec. The S14WI also features an
optional antenna DC bias "Pick-&-Choose" circuit which allows for the active antenna DC input
to be applied to any or all of the RF outputs. With this option, one DC voltage will be chosen to
power the antenna while the other inputs will be switched to DC loads. If the selected DC bias
input should fail, the DC bias will be automatically switched to another DC input so as to ensure
an uninterrupted supply to the active antenna. The S14WI may be configured as a passive or
an active device, giving the network engineer the flexibility to specify the device gain and port-
to-port isolation. The S14WI may also be ordered with surge protection on all five ports and in a
sealed housing sufficient for many years of operation in external environments.
5/25/2007
Infrastructure
Product User Manual
Your source for quality GNSS Networking
Solutions and Design Services, Now!
Document number: 060-FSA-ABQ-AAS-AGZ
1 of 9
(719) 561-9520
Rev. 001
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Summary of Contents for GPS S14W
-
Page 1: Description
The GPS Source S14WI is a high performance GPS signal splitter that can be configured to monitor the GPS antenna current and provide an alarm indication if the antenna is not operating according to spec. The S14WI also features an optional antenna DC bias “Pick-&-Choose”... -
Page 2: Table Of Contents
Amplified – High Isolation Option:..................4 Termination of Unused Ports:....................4 Bias-T’s:..........................4 Antenna DC Bias Select System....................5 Active GPS Antenna Monitoring System ................... 5 Surge Arrestor System ........................ 6 Connecting the S14WI ......................6 Performance Specifications.................... 7 Certifications and Approvals ..................7 Part Number .......................... -
Page 3: Functional Block Diagram
3 of 9 Functional Block Diagram Figure 1 below illustrates the functionality of the GPS Source S14WI GPS Splitter. The S14WI consists of an RF Signal Processing System (illustrated in Blue), a DC Bias Select System (illustrated in Red), an Active GPS Antenna Monitoring System (illustrated in Green), and a Surge Arrestor System. -
Page 4: Passive Option
RF output paths to provide additional isolation between each RF port. This configuration may be chosen if it is possible for spurious emissions from one GPS receiver on one port of the splitter to cause interference with GPS receivers connected to other output ports. In the high isolation configuration the input port to any output port gain of the splitter is approximately 10dB. -
Page 5: Antenna Dc Bias Select System
DC voltage applied to the next high numbered port with a DC voltage applied: port 3. Port 4 will remained switched to a 200 Ohm load. Active GPS Antenna Monitoring System Your source for quality GNSS Networking (719) 561-9520... -
Page 6: Surge Arrestor System
DC inputs will be at or near zero (less than 0.5mA for the passive configuration and less than 5mA each for the active). In this alarm condition, all GPS receivers connected to the RF outputs will also see very low antenna current draw, resulting in corresponding antenna alarm conditions within each receiver. -
Page 7: Performance Specifications
) may be specified by the customer within the specified range. (5). In-rush current shall not exceed 3A or exceed Isc for greater than 1ms GPS Source, Inc. reserves the right to change or modify product performance and specifications without prior notification. Certifications and Approvals EMC/Emissions: FCC part 15B and R&TTE equivalent... -
Page 8: Part Number
8 of 9 Part Number S14WI S14WI S14WI S14WI – – – – A A A A – – – – PC PC – – – – AM AM– – – – SF Product: 1x4 Splitter for Wireless (Std: Pass DC J1-Ant, J2,J3,J4 DC Blk.) Gain Option: A –... -
Page 9: Mechanical
9 of 9 Mechanical Your source for quality GNSS Networking (719) 561-9520 Solutions and Design Services, Now! 5/25/2007 Document number: 060-FSA-ABQ-AAS-AGZ Rev. 001...
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