A 50-mW/ch 2.5-gb/s/ch data recovery circuit for the SFI-5 interface with digital eye-tracking

A 50-mW/ch 2.5-gb/s/ch data recovery circuit for the SFI-5 interface with digital eye-tracking

Typical frequency doublers achieve high conversion gain by reflecting back the 2nd harmonic to the input port of the active device through a quarter-wave open-circuited stub. In this paper, a S-band frequency doubler with a 12 dB conversion gain outperforms the conventional design by 5 dB, after rep...

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Veröffentlicht in:IEEE microwave and wireless components letters 2004-03, Vol.14 (3), p.109-111
Hauptverfasser: Yangfan Liu, Yum, T.Y., Quan Xue, Chi Hou Chan
Format: Artikel
Sprache:eng
Schlagworte:
Circuits
Conversion
Frequency conversion
Frequency doublers
Gain
Harmonics
Microstrip
Microwave circuits
Microwaves
Noise levels
Power generation
Power harmonic filters
Power system harmonics
Reflection
Resonance
Resonant frequency
Scattering parameters
Wireless communication
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Beschreibung
Zusammenfassung:Typical frequency doublers achieve high conversion gain by reflecting back the 2nd harmonic to the input port of the active device through a quarter-wave open-circuited stub. In this paper, a S-band frequency doubler with a 12 dB conversion gain outperforms the conventional design by 5 dB, after replacing the conventional stub with a Compact Microstrip Resonant Cell (CMRC). The CMRC serves as suitable terminations for both the 2nd and 3rd harmonics to enhance the desired output power of the 2nd harmonic, while appearing as a good pass-band for the fundamental frequency.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2004.825179