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A Very Low Spurious Si-Bipolar Frequency Multiplier

Yo YAMAGUCHI, Akihiro YAMAGISHI, Akira MINAKAWA

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Summary :

A very low spurious frequency doubler for wireless communication systems is proposed. The key to this technique is to change the input signal into a rectangular wave, which effectively suppresses the fundamental frequency and the odd harmonic components. The desired to undesired signal ratio (D/U) is better than 50 dBc at the desired output frequency of 1.1 GHz. The proposed doubler eliminates the need for the band-pass filters which occupy a large part of the radio frequency (RF) module. High order multipliers easily are fabricated with this method. In this paper, a quadrupler is also described.

Publication
IEICE TRANSACTIONS on Electronics Vol.E82-C No.7 pp.1092-1097
Publication Date
1999/07/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category
Active Devices and Circuits

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