Abstract
A 36 - 38 GHz Ka-band SiGe BiCMOS reflectiontype phase shifter (RTPS) for a soil moisture radiometer antenna is presented. The phase shifter comprises an offset broadsidecoupled line 3 dB coupler and two identical varactor reflective loads for continuous phase shift. The offset broadside-coupled line coupler is designed to achieve smaller insertion loss (IL) compared to a normal broadside coupled line coupler. The varactors, which are essential components of the reflective loads, are biased with a variable voltage from -1 to 2 V to control phase shift continuously. The simulation results show that the phase shifter yields a phase shift from 0° to 253° with 12 ± 2 dB IL. More than 12 dB about the input and output return loss (RL) is obtained over 36 - 38 GHz. The phase shifter is designed using 0.13 µm SiGe BiCMOS technology. The chip consumes almost zero DC power. The chip is compact, with the core area of about 0.32 mm2.
| Original language | English |
|---|---|
| Title of host publication | 2020 IEEE Eighth International Conference on Communications and Electronics (ICCE)) |
| Editors | Saewoong Bahk, Phuoc Tran-Gia, Jan Van der Spiegel, Nguyen Xuan Quynh |
| Place of Publication | Piscataway NJ USA |
| Publisher | IEEE, Institute of Electrical and Electronics Engineers |
| Pages | 203-208 |
| Number of pages | 6 |
| ISBN (Electronic) | 9781728154701, 9781728154718 |
| ISBN (Print) | 9781728154695, 9781728154725 |
| DOIs | |
| Publication status | Published - 2020 |
| Event | International Conference on Communications and Electronics (HUT-ICCE) 2020 - Phu Quoc Island, Vietnam Duration: 13 Jan 2021 → 15 Jan 2021 Conference number: 8th https://ieeexplore-ieee-org.ezproxy.lib.monash.edu.au/xpl/conhome/9352035/proceeding (Proceedings) |
Conference
| Conference | International Conference on Communications and Electronics (HUT-ICCE) 2020 |
|---|---|
| Abbreviated title | HUT-ICCE 2020 |
| Country/Territory | Vietnam |
| City | Phu Quoc Island |
| Period | 13/01/21 → 15/01/21 |
| Internet address |
Keywords
- Ka-band
- offset broadside coupled
- phase shifter
- reflection-type
- SiGe BiCMOS
- soil moisture radiometer
- varactor
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