Fiber Optic Design Guide - Maite y Mario

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SPECIFICATIONS - LINK: Single mode fiber as used with FIBR series receivers Fiber Optic VSB/AM Transmitters - FIBT Series Common Specifications Typical Units Operating Wavelength: 1310 nm Power Supply Voltage: 110 VAC Power Supply Voltage: 220 VAC Power Dissipation: 25 W Required Fiber Bandwidth: 1,000 Min. MHz Input/Output Impedance: 75 Ω Back reflection: -50 Max. dB Operating Temperature Range: 0 to +45 ˚C CNR (0 dBm Input, 40 Ch. Load): 52.5 dB CNR (0 dBm Input, 60 Ch. Load): 51.5 dB CNR (0 dBm Input, 80 Ch. Load): 51 dB Weight: 6 lbs 2.27 kg Physical Dimensions: 19 W. x 1.75 H. x 15.5 D. in 482.6 x 44.5 x 393.7 mm Side Mode Suppression Ratio (SMSR): 30 dB Connectors Typical Units RF Input: “F” Optical Output: FC/APC Varying Specifications FIBT-S3A-886/887/888 Typical Units Bandwidth: Optical Output Power 40 to 860 MHz FIBT-S3A-886 + 6 dBm FIBT-S3A-887 + 7 dBm FIBT-S3A-888 + 8 dBm RF Input Level (80 Ch. Load): + 9.7 dBmV/Ch CTB (80 Ch. Load): -71 dB CSO (80 Ch. Load): -65 dB CNR (10 dBm input, 80 Ch. Load): 51 dB Varying Specifications FIBT-S3A-819/810/811/812 Typical Units Bandwidth: Optical Output Power 40 to 860 MHz FIBT-S3A-819 + 9 dBm FIBT-S3A-810 + 10 dBm FIBT-S3A-811 + 11 dBm RF Input Level (110 Ch. Load): + 12.0 dBmV/Ch FIBT-S3A-812 + 12 dBm RF Input Level (110 Ch. Load): + 13.8 dBmV/Ch CNR (0 dBm Input, 110 Ch. Load): 50 dB CTB (110 Ch. Load): -69 dB CSO (110 Ch. Load): -63 dB TRAILBLAZER FEATURES: E2-2 VSB/AM Transmission Ensures Compatibility With Standard CATV Modulators, Processors, etc. 40-860 MHz Bandwidth for all Transmitters Transmitter Status LED’s and Ports for: Cooler Status, RF Input Level, Laser Status, Chassis Power 19" EIA Rack Mount Configurations All Models are Single Mode, 1310 nm, FC/APC Connector Unit Includes a Tri-color LED That Indicates Optimum RF Input Level When Green APPLICATIONS: CATV HFC Distribution Networks Campus Video Distribution Systems Structured In-Building Premise Wiring Video Distribution Broadband Local Area Networks CCTV/Video Surveillance Systems Pocket Deployment of Interdiction Addressable Services Distance Learning and Videoconferencing High Capacity Backbone Transport for Multiple Data Services (RS-232, T1/E1, Ethernet, etc.) Via Industry Standard CATV RF Modems Consolidation of Remote Headends NOTE Link gain specifications valid when used with FIBR and MIBR receivers only www.blondertongue.com Toll Free For Ordering! 800-523-6049 FAX 800-336-6295 Fiber Optics
Fiber Optics E2-3 Example Fiber Optic FIBT Design Tool #1. The C/N you would like to see from the link is 54 dB. #2. The system has 78 channels. The C/N of 54 dB intersects with the 78 channel curve at 3 dBm. #3. The optical link budget for this link is 7 dBm. #4. Link Budget: 7 dBm Receiver Input: +3 dBm Minimum Tx Output: 10 dBm Round up to 11 dBm ☞ Please Order by Stock Number! www.blondertongue.com Toll Free For Ordering! 800-523-6049 FAX 800-336-6295 1. What is the acceptable C/N you want to see at the output of the fiber optic receiver? __________dB (#1) 2. Determine the optical input needed at the receiver to maintain your C/N from above. Find the C/N fig- Carrier-to-Noise (dB) ure on the Y axis on the chart below. Follow that figure across until you come to the curve that corre- sponds to your channel loading. Follow this intersection down to the X axis to determine the optical input power. This is the level that you need to hit the receiver with in order to maintain the C/N that you picked in Step #1. __________dB (#2) 60 58 56 54 52 50 48 46 44 42 40 38 36 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 3. What is the link budget? This is the sum of all the losses from the Tx to the Rx. __________dBm (#3) Optical Input Power (dBm) 4. Determine the transmitter power necessary to complete the link: Link Budget (#3) ___________ dBm Receiver Input (#2) + ___________ dBm Minimum Transmitter Output = ___________ dBm (#4) 5 Channels 10 Channels 24 Channels 40 Channels 78 Channels 110 Channels You should round this number up to the next dBm to build in a margin of error to cover any unseen items in the link budget.
Page 1 and 2: Real Solutions For The Fiber World
Page 3 and 4: Fiber Optics E1-1 Overview Fiber Op
Page 5 and 6: Fiber Optics E1-3 Overview Fiber Op
Page 7: Fiber Optics E2-1 Fiber Optic VSB/A
Page 11 and 12: Fiber Optics E3-1 FEATURES: FIBER R
Page 13 and 14: Fiber Optics E5-1 Integrated Fiber
Page 15 and 16: Fiber Optics E6-1 Rack Mount Fiber
Page 23 and 24: Fiber Optics E14-1 Rack Mount FM Vi
Page 25 and 26: Fiber Optics E15-1 Rack Mount FM Vi
Page 29 and 30: Fiber Optics E18-1 ORDERING INFORMA
Page 31 and 32: Fiber Optics E20-1 FILT Series L-Ba
Page 35 and 36: Fiber Optics E24-1 FOTK Series Fibe
Page 37 and 38: Fiber Optics E26-1 Wavelength-Divis
Page 39 and 40: E28-1 Directory Of Blonder Tongue P
Page 41 and 42: LABORATORIES, INC. The Standard of
Page 55 and 56: * Input Level Chart Channel 9,10,11
Page 57 and 58: SIAT-M3T-31 1310 nm Standalone Base
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Stacked LNB, 950-2050 MHz FILT-S3A-
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Section 2 22
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DECEMBER 1998 REFERENCE ICON KEY P
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ST SC FC Picture 1.- Fiber Optic Co
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LABORATORIES, INC. The Standard of
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CONNECTIONS Transmitters Connector
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Stock No. 7404 Stock No. 7403 Figur
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TROUBLESHOOTING - CONTINUED Problem
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Troubleshooting Commercially availa
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Connections CNR vs Channel Loading
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Troubleshooting Commercially availa
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Performance Specifications - contin
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Blonder Tongue’s Diverse Fiber Pr
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Fiber Optic Design Guide - Maite y Mario

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