Shifeng Li, Lijun Ma, Leiyang Wang, Xiao Lei, Bang Wu, G. Cheng, Feng Liu
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High Power 10–18 GHz Monolithic Limiter Based on GaAs p-i-n Technology
Herein, based on a rounded rectangle p-i-n diode with the minimum radius allowed by the process and a 0.8- $\boldsymbol {\mu }\mathbf {m}$ thick I-layer, a high-power wideband monolithic limiter was realized by using GaAs p-i-n process. At 16 GHz, the maximum handling power of the monolithic limiter is up to 400 W (56 dBm), while the output power is less than 45 mW (16.5 dBm). Meantime, the insertion loss of the limiter is less than 0.55 dB and the return loss is better than −15 dB in the frequency range of 10–18 GHz, which has little effect on the signal of the receiver. It demonstrates that the limiter has a significant potential in high-frequency and high-power phased-array radars and communication systems.
期刊介绍:
The IEEE Microwave and Wireless Components Letters (MWCL) publishes four-page papers (3 pages of text + up to 1 page of references) that focus on microwave theory, techniques and applications as they relate to components, devices, circuits, biological effects, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, medical and industrial activities. Microwave theory and techniques relates to electromagnetic waves in the frequency range of a few MHz and a THz; other spectral regions and wave types are included within the scope of the MWCL whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.