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Design of a fully integrated power amplifier (PA) with distributed active transformer (DAT) architecture is introduced in this paper. PA achieves high efficiency and high power performance necessary for long range internet of thing (IoT) wireless communication systems. The amplifier is implemented in a 0.18gm SiGe BiCMOS technology with 3.3 V supply voltage and achieves a peak output power of +32dBm...
This paper presents a method of power conversion circuit topology for single-phase DC to AC boost converter by using sinusoidal pulse-width modulation (SPWM) technique. The presented circuit converter does not use a transformer to step up the voltage instead it use DC to DC boost converter and expected to be more efficient and lower cost compare with conventional converter in the market. The circuit...
This paper presents the design and optimization of high quality (Q) factor inductors using Micro Electro-Mechanical Systems (mEMs) technology for 10GHz to 20GHz frequency band. Two inductors have been designed with square and circular topologies. Inductors are designed on Silicon-on-Sapphire (SOS) because of its advantages including high resistivity and low parasitic capacitance. The effects of various...
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