2.4-GHz Power Amplifier with Power Detector Using Metamaterial-Based Transformer-Type On-Chip Directional Coupler

Dang, Trung-Sinh

doi:10.4218/etrij.12.0212.0350

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2020

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“…providing increased machine‐to‐machine connectivity 2 . Power detector is considered as the key block in most of the modern communication systems 3 . With the diversity of the applications provided by 5G and IoT systems, detectors with different characteristics are required following the applications.…”

Section: Introductionmentioning

confidence: 99%

Design of tunable power detector towards 5G applications

Alaji

Aouimeur²,

Ghanem

et al. 2020

Micro & Optical Tech Letters

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This paper presents the design and characterization of two tunable power detectors, based on PN diodes, integrated in SiGe 55-nm BiCMOS technology from ST-Microelectronics. The working frequency band of the circuits is (35-50) GHz dedicated for 5G applications. The detector parameters are adjusted by controlling the biasing current, this characteristic makes them suitable to be utilized in different 5G applications. Two different diode sizes are used (L1N1, L2N5) in order to compare their performances. For three values of biasing current, the extracted voltage sensitivity values are between (700-1400) V/W for L1N1 and (500-1150) V/W for L2N5 showing the agreement with the simulation. Comparing to recent works, our designs exhibit very low power consumption (down to 60 nW) with relatively high sensitivity values. A targeted sensitivity value can be obtained with lower power consumption using larger diode size.

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Section: Introductionmentioning

confidence: 99%