Essays about: "quadrature hybrid coupler"

Found 2 essays containing the words quadrature hybrid coupler.

1. 1. Hybrid Coupler for LMBA Input Match Using an Active Inductor

   University essay from Linköpings universitet/Elektroniska Kretsar och System

   Author : Karthik Doddanna; [2021]
   Keywords : LMBA; gyrator-c; active inductor; hybrid coupler; TSMC 0.18um.;

   Abstract : With the increase in demand for compact and high data rate communication systems, there is a need for high efficiency with modulated signals (PAPR 5-10 dB) for base-station power amplifiers. One of the famous architectures used to achieve this is Doherty architecture. READ MORE

3. 2. Miniaturized quadrature hybrid and rat race coupler utilizing coupled lines for LTE frequency bands

   University essay from Fysik och elektroteknik; Tekniska högskolan

   Author : Masiur Rahman; [2013]
   Keywords : Coupler; quadrature hybrid coupler; rat race coupler; LTE frequecy band; miniaturization; coupled line; microwave communication etc.;

   Abstract : Nowadays, demands for fully integrated and miniaturized RFIC (Radio Frequency Integrated Circuits) have increased in wireless microwave communication system. Passive components such as coupler, divider and filters are always fabricated in outside of ICs due to their bulky sizes, which have been a great barrier to a realization of a fully integrated design. READ MORE