Design of Low Noise Amplifier for Radio over Fiber at 5.2 GHz
This paper presents the design and simulation of low noise amplifier (LNA) used in an active radio access point (RAP) for Radio over Fiber (RoF) technology at 5.2 GHz. RoF is integration of optical fiber for radio signal transmission within network infrastructures that is considered to be cost eff...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
International Organization of Scientific Research (IOSR)
2013
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| Subjects: | |
| Online Access: | http://eprints.utem.edu.my/id/eprint/9899/1/ijece_main_%281%29.pdf http://eprints.utem.edu.my/id/eprint/9899/ http://www.iosrjournals.org |
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| Summary: | This paper presents the design and simulation of low noise amplifier (LNA) used in an active radio
access point (RAP) for Radio over Fiber (RoF) technology at 5.2 GHz. RoF is integration of optical fiber for
radio signal transmission within network infrastructures that is considered to be cost effective, practical and
relative system configuration for long haul transport of millimeter frequency band wireless signal. The LNA
designed function is to amplify extremely low signals without adding noise, thus preserving the required Signal
Noise Ratio (SNR) of system at extremely low power signal. The implementation of design is based on Agilent
ATF-5143 transistor and Microwave Office software is used to perform the simulation in S-parameters. The
design and simulation process including selecting the transistor based on RoF requirements, stability of
transistor, matching network, biasing and optimization. The design has shown an acceptable behavior with gain
of 16.046 dB and noise figure of 0.9368 dB using conjugate matching method. |
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