Abstract
A DC-20-GHz broadband and compact single-pole-quadruple-throw (SPQT) switch for Butler matrix switched beam smart antenna system application has been designed and fabricated on 0.15-μm GaAs pHEMT process. By adopting inductive high impedance transmission lines in series-shunt switch topology, the SPQT switch demonstrates an insertion loss of 1.25-3.53 dB from DC to 20 GHz, and the isolation is higher than 22 dB with a compact chip size of 1.5 mm 2. The measured output 1 dB compression point (OP 1 dB) is 16 dBm at 12 GHz.
| Original language | English |
|---|---|
| Pages (from-to) | 2023-2026 |
| Number of pages | 4 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 54 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 2012 Sept |
Keywords
- monolithic microwave integrated circuit
- single-pole-quadruple-throw
- switch
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Electrical and Electronic Engineering
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