A 2.7-V Quasi-Microwave Si-Bipolar Quadrature Modulator without Tuning (Special Section on Analog Circuit Techniques for System-on-Chip Integration)
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概要
- 論文の詳細を見る
A 2.7-V Si-bipolar quadrature modulator with a 90゜ phase shifter consisting of a frequency doubler and a master-slave flip-flop is described. The modulator operates over a wide bandwidth (0.95 to 1.88 GHz) without any tuning or adjustments. It is implemented using 20-GHz Si-bipolar technology and dissipates 97 mW at 2.7 V. An image ratio of less than -40 dBc is obtained between 1.1 and 1.8 GHz. Moreover, third-order harmonic products are less than -40 dBc and carrier leakage is less than -30 dBc.
- 社団法人電子情報通信学会の論文
- 1997-02-25
著者
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Nakagawa Tadao
Ntt Wireless Systems Laboratories
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Muraguchi Masahiro
Ntt Wireless Systems Laboratories
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TSUKAHARA Tsuneo
NTT System Electronics Laboratories
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