A 30-50 GHz wide modulation bandwidth bidirectional BPSK demodulator/ modulator with low LO power

Hong Yeh Chang, Shou Hsien Weng, Chau Ching Chiong

研究成果: 雜誌貢獻期刊論文同行評審

10 引文 斯高帕斯(Scopus)

摘要

A 30-50 GHz wide modulation bandwidth bidirectional binary phase shift keying (BPSK) demodulator/modulator using a 2 μm standard GaAs HBT process is presented in this letter. A single balanced mixer with HBT PN-junction diodes is employed in the circuit design. With a local oscillator (LO) power of 0 dBm, this letter demonstrates a maximum conversion loss of 13 dB, a modulation bandwidth of wider than 3 GHz, and a LO-to-RF isolation of better than 45 dB. The BPSK demodulation or modulation can be performed at the same input/output ports of the circuit, and therefore it can be applied to millimeter-wave (MMW) gigabit bidirectional communication systems to further reduce the complexity of the transceivers.

原文???core.languages.en_GB???
文章編號4840506
頁(從 - 到)332-334
頁數3
期刊IEEE Microwave and Wireless Components Letters
19
發行號5
DOIs
出版狀態已出版 - 5月 2009

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