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This work presents the study of a 5 GHz synthesized Chebyshev combline filter and its potential use in a self-structuring filter prototype. The self-structuring filter prototype will be a system where the center frequency and bandwidth can be controlled by an algorithm to produce the desired bandpass filter response. The impact of tuning capacitances on the insertion loss, 3 dB bandwidth and percent...
Carrier aggregation supports an increased total bandwidth, data rate and utilization of available fragmented spectrum, where the latter is a core component of next generation Wi-Fi and Cellular networks, including 5G. Wireless communications receivers with intra-band non-contiguous CA, employing conventional complex mixers and base-band circuitry, are desirable, however risks of VCO injection pulling...
This paper introduces a broadband conductor-backed coplanar waveguide (CBCPW) to double-sided parallel strip line (DSPSL) transition structure. The performance is demonstrated in a back-to-back (B2B) configuration on 0.127 mm thick FR408 with relative permittivity of 3.75 and loss tangent of 0.018. AWR AXIEM and ANSYS HFSS simulations have been used to optimize all the structures. Simulation and measurement...
This paper presents a 3-FET stacked K/Ka-band class-AB power amplifier (PA) implemented in the GLOBALFOUNDRIES 45nm SOI process that is particularly optimized for future high-performance energy-efficient 5G mm-Wave transceiver front-ends. With a 2.9V power supply, the PA achieves 13.1dB power gain and a saturated output power (Psat) of 16.2dBm with a maximum power-added efficiency (PAE) of 41.5% at...
This paper presents two wideband GaAs MMIC driver power amplifiers (PAs) suitable for X and Ku bands. The required number of stages and number of branches in each stage for an M-stage driver PA architecture is analyzed. Design of wideband matching networks for monolithic microwave integrated circuit (MMIC) driver PAs is explained and design parameters of a cascaded K-section T matching network (MN)...
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