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Conference Paper
Improving the Noise Figure of the 60-GHz Radio-over-Fiber System using a System-on-Package EAM Module with Two-Stage LNAs
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- Authors
- Kang Baek Kim, Dong-Soo Shin, Yong-Duck Chung, Kwang-Seong Choi, Jae-Sik Sim, Je Ha Kim
- Issue Date
- 2007-10
- Citation
- International Topical Meeting on Microwave Photonics (MWP) 2007, pp.124-126
- Language
- English
- Type
- Conference Paper
- Abstract
- We present the enhancement of the link performance of the radio-over-fiber system at 60 GHz by using the system-onpackage (SoP) electroabsorption modulator (EAM) module with two-stage low-noise amplifiers (LNAs). When compared with the performance of the link that used the narrow-band EAM module without any pre-amplifier, the RF gain of the link that used the SoP module was increased by 30 dB and the noise figure was reduced by 30 dB with a little sacrifice in dynamic range at an EAM bias point that gave the maximum modulator slope efficiency. © 2007 IEEE.
- KSP Keywords
- 60 GHz radio, Electroabsorption modulator(EAM), Link Performance, Low-Noise Amplifier(LNA), Pre-amplifier, RF gain, Radio over fiber(RoF), Slope efficiency, Two-Stage, bias point, dynamic range