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Fiber Optic Transmitters

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About Fiber Optic Transmitters

Fiber optic transmitters are devices that include an LED or laser source, and signal conditioning electronics, to inject a signal into fiber. The modulated light may be turned on or off, or may be linearly varied in intensity between two predetermined levels.  Light Emitting Diodes (LEDs) have relatively large emitting areas and as a result are not as good light sources as laser diodes.  However, they are widely used for short to moderate transmission distances because they are much more economical.  Laser diodes can couple many times more power to optical fiber than LEDs.  They are primarily used for applications that require the transmission of signals over long distances.  

Fiber optic transmitters can interface with two types of cables, single mode and multimode.  Single mode is an optical fiber that will allow only one mode to propagate. The fiber has a very small core diameter of approximately 8 µm. It permits signal transmission at extremely high bandwidth and allows very long transmission distances.  Multimode describes a fiber optic cable, which supports the propagation of multiple modes. Multimode fiber may have a typical core diameter of 50 to 100 µm with a refractive index that is graded or stepped. It allows the use of inexpensive LED light sources and connector alignment and coupling is less critical than single mode fiber. Distances of transmission and transmission bandwidth are less than with single mode fiber due to dispersion.  Some fiber optic transmitters can be used for both single mode and multimode cables.  Common connector types for fiber optic transmitters include Biconic, D4, ESCON, FC, FDDI, LC, Loopback, MTP, MT-RJ, MU, SC, SMA, and ST.

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Products & Services Related to Fiber Optic Transmitters

Fiber Optic Receivers
Fiber optic receivers are instruments that convert light into electrical signals. They contain a photodiode semiconductor, signal conditioning circuitry, and an amplifier.
Fiber Optic Transceivers
Fiber optic transceivers include both a transmitter and a receiver in the same component.

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Part Numbers for Fiber Optic Transmitters

Part # Distributor Manufacturer Product Category Description
HFBR-1404Z Future Electronics AVAGO TECHNOLOGIES Not Provided HFBR Series 820 nm 160 MBd 2.7 Km Fiber Optic Transmitter w/ SMA Port
HFBR-1523Z Future Electronics AVAGO TECHNOLOGIES Not Provided HFBR Series 600 nm 40 kBd 110 m Transmitter Fiber Optic Versatile Link
HFBR-1505AZ Future Electronics AVAGO TECHNOLOGIES Not Provided 600 nm 10 MBd SMA SERCOS 1 x 4 Transmitter Fiber Optic

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