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- Title
Low-Mismatch and Low-Loss Transformer-Based SPDT Switch with Switching Load Technique for 5G Applications.
- Authors
Quan, Xing; Zhan, Jinsong; Luo, Jiang; Su, Guodong; Wang, Xiang
- Abstract
This paper proposes a switching load technique to improve the mismatch at outputs of the transformer-based single pole double throw (SPDT) switch, thus improving the insertion loss (IL) performance. A switch is introduced as the load of the primary inductor of the conventional transformer-based SPDT switch to improve the IL performance in transmission and receiving operation modes. A transformer-based SPDT switch is implemented with the switching load technique in TSMC 40 nm CMOS technology. The transformer which has a symmetrical shape is implemented with the thick metal for low IL propose. The simulated results show that the proposed SPDT switch achieves a minimum insertion loss of 1.64 dB and the IL is better than 2.2 dB across the range from 24 to 35 GHz. The proposed SPDT switch occupies a core area of 1 4 0 × 2 2 5 μ m2 and the return losses are better than − 1 1 dB at 24–35 GHz.
- Subjects
INSERTION loss (Telecommunication); 5G networks; COGNITIVE radio
- Publication
Journal of Circuits, Systems & Computers, 2021, Vol 30, Issue 8, pN.PAG
- ISSN
0218-1266
- Publication type
Article
- DOI
10.1142/S0218126621501474