Summary
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S-Band MMIC Active Module with Small Phase Variation and Low Insertion Loss for Beamforming Network Hideki TAKASU Chihiro SAKAKIBARA Minoru OKUMURA Susumu KAMIHASHI Yasushi MATSUMOTO Shin-ichi HAMA Publication IEICE TRANSACTIONS on Electronics Vol.E83-C No.1 pp.122-124 Publication Date: 2000/01/25 Online ISSN: DOI: Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: MMIC module, attenuator, phase shifter, buffer amplifier, Full Text: PDF>>
Summary: This paper describes a monolithic microwave integrated circuit (MMIC) active module with small phase variation and low insertion loss for beamforming network in S-band. The MMIC active module composed of a digital phase shifter, a digital attenuator and a buffer amplifier, has characteristic to control amplitudes and phase shifts by using digital control signals. By using the digital attenuator, the MMIC active module has obtained the excellent performances. This paper also describes the exact on-state resistance of FET switch for designing the digital attenuator. | |||||
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