نتایج جستجو برای: frequency devices operating at 46 frequencies
تعداد نتایج: 4288332 فیلتر نتایج به سال:
This paper describes a new approach to low phase noise LC VCO design based on transconductance linearization of the active devices. A prototype 25GHz VCO based on this approach is integrated in a dual loop PLL and achieves superior performance compared to the state of the art. The design is implemented in the 32nm SOI deep sub-micron CMOS technology and achieves a phase noise of −130dBc/Hz at 1...
In order to cope with the needs of fifth-generation (5G) cellular networks and beyond, phased-array antenna systems operating at millimeter-wave (mm-wave) frequencies will be required. This makes system design very complex. create insight agility in process, we propose a framework that visualises requirements trade-offs 5G-and-beyond systems. Our literature survey uses this compare state-of-the...
Most FPGA designs run at a fixed clock-frequency determined through static analysis in FPGA vendor supplied tools. Such a clocking strategy cannot take advantage of the full run-time potential of an application running on a specific device and in a specific operating environment. This paper describes methods for using dynamic clock-frequencies to overcome this limitation. We begin by describing...
This paper presents a method for nearfield frequency invariant broadband array beamforming. This means that we can design an array with associated signal processing to achieve a desired frequency invariant beampattern (as a function of direction) at any nominal finite distance over an arbitrarily wide range of frequencies. The challenge here is to compensate accurately for the nearfield distort...
The design of a compact, varactor controlled, electronically reconfigurable dual frequency microstrip antenna is presented in this paper. Dual frequency operation is realized by embedding a hexagonal slot with extended slot arms within a square patch. Varactor diodes integrated with the slot arms are used to tune the operating frequencies considerably, by applying reverse bias voltage. Tuning r...
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