Analysis and Design of Novel 180° Hybrid for <i>U</i>-Band Monolithic Subharmonic Mixer in 0.15-μm GaAs pHEMT Technology

He, Ding; Yu, Minyuan; Cui, Ning; Tan, Cheng; Yu, Zhongjun

doi:10.1109/tcsii.2023.3278948

Cited by 1 publication

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References 19 publications

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“…According to the analysis in Section 2 , another pressing disadvantage of the conventional dual-coupled line structure is that it cannot be directly applied in compact applications due to the presence of quarter-wavelength lines, which occupy a large circuit area, especially at low frequencies. Fortunately, researches [ 23 , 24 , 25 ] have shown that the ATL concept is applicable to reduce the physical size of planar circuits. Therefore, in order to adequately reduce the size of the proposed 180° phase shifter, we convert the transmission line in Path 2 of Figure 1 c into ATL form, as shown in Figure 5 .…”

Section: Analysis Of the Proposed Technologies In Novel 180° Phase Sh...mentioning

confidence: 99%

Compact Bandwidth-Enhanced 180-Degree Phase Shifter Using Edge-Coupled Multi-Microstrip and Artificial Transmission Line

He,

Fan,

Zhu

et al. 2023

Micromachines

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Compactness has obtained sufficient importance in wideband phase shifter design considerations, as it is directly related to fabrication cost. In this paper, a novel structure was presented to create compact broadband 180-degree phase shifter, which has the advantages of enhanced bandwidth and significantly reduced chip area. The proposed configuration consists of edge-coupled multi-microstrip lines (ECMML) and an artificial transmission line (ATL) with dual-shorted inductors, both of which have the periodic shunt load of capacitors. The ECMML can provide a high coupling coefficient, leading to an increase in the bandwidth, while the introduced capacitors can greatly reduce the line length (35.8% of the conventional method). To verify the relevant mechanisms, a wideband switched network with compact dimensions of 0.67 × 0.46 mm2 was designed via 0.15-micrometer GaAs pHEMT technology. Combined with the measured switch transistor, it was shown that the proposed phase shifter exhibits an insertion loss of less than 2 dB, a return loss of greater than 12 dB, a maximum phase error of less than 0.6° and a channel amplitude difference of less than 0.1 dB in the range of 10 to 20 GHz.

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Section: Analysis Of the Proposed Technologies In Novel 180° Phase Sh...mentioning

confidence: 99%

Compact Bandwidth-Enhanced 180-Degree Phase Shifter Using Edge-Coupled Multi-Microstrip and Artificial Transmission Line

He,

Fan,

Zhu

et al. 2023

Micromachines

Self Cite

View full text Add to dashboard Cite

show abstract

Analysis and Design of Novel 180° Hybrid for U-Band Monolithic Subharmonic Mixer in 0.15-μm GaAs pHEMT Technology

Cited by 1 publication

References 19 publications

Compact Bandwidth-Enhanced 180-Degree Phase Shifter Using Edge-Coupled Multi-Microstrip and Artificial Transmission Line

Compact Bandwidth-Enhanced 180-Degree Phase Shifter Using Edge-Coupled Multi-Microstrip and Artificial Transmission Line

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