The Single-Branch Resistance Compression Network Based on Transmission Line

This paper presents a transmission line based single-branch resistance compression network (SRCN) for reduce the sensitivity of input impedance of rectifiers to input power. The SRCN consists of a shorted-stub and an opened-stub. Then, we designed a 2.45 GHz rectifier based on the SRCN, and simulate its radio frequency (RF)-dc conversion efficiency. The results shows that the RF-dc conversion efficiency have a promotion of 8% - 15% in the input power range of 0-20 dBm after use the SRCN. By simplifying the rectifying circuit into a single-branch structure, the proposed SRCN has achieves a simpler circuit structure and lower cost.