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Electromagnetic isolation is a critical issue to the performance of radio frequency system in package (RF SIP). This paper proposes a novel structure to measure the electromagnetic (EM) isolation property and to test the shield efficiency of a metal cap. The 3-dimensional structure contains 5 antenna chips assembled is based on rigid and flexible substrates. EM interference and EM isolation relevance...
Electromagnetic isolation is a critical issue to the performance of radio frequency system in package (RF SIP). This paper proposes a novel structure to measure the electromagnetic (EM) isolation property and to test the shield efficiency of a metal cap. The 3-dimensional structure contains 5 antenna chips assembled is based on rigid and flexible substrates. EM interference and EM isolation relevance...
In this paper, a new high performance three dimensional radio frequency package on package (3D RF PoP) based on ceramic substrate is designed for micro base station which is able to cover the multicasting of critical messages to as many mobile users as possible even under communications network failure events, such as the failure of macro base stations. The RF PoP integrates receiver (RX) module,...
Channel frequency response is one of the banner performance specifications for discrete Fourier transform (DFT) based spectrum analysers. Digital techniques have emerged as most attractive approaches to correct the linear distortion introduced in the microwave and immediate frequency (IF) analogue signal paths. This paper presents a novel technique for correcting the channel frequency response (flattening...
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