RF电子
RF Electronics
摘要：
几十年来，高能物理（HEP）仪器一直集中在电离辐射的探测器上-入射粒子或光子的能量足以在气体，液体或固体材料中产生移动电荷，这些电荷可以由前端电子（FEE）处理，以提供有关入射辐射的位置，能量和时间的信息。然而，最近提出的HEP实验需要感测或控制射频（RF）范围内的EM辐射，其中电离检测器不可用。这些实验可以利用商业部门无线数据通信爆炸性增长所促进的新兴微电子发展。半导体技术中的摩尔定律进步带来了具有突破性水平的模拟-数字集成和处理速度的先进微电子元件的最新发展。特别是，RF“片上系统”（RFSoC）平台提供了多个数据转换器接口，用于模拟世界（ADC和DAC），带宽接近10 GHz，在同一个硅芯片上有丰富的数字信号处理资源。此类器件消除了长期以来用于将分立式ADC和DAC耦合到FPGA处理器的复杂PC板接口，从而从根本上降低了功耗、阻抗失配和封装面积，同时允许消除模拟预处理电路，以利于数字处理。这些设备的成本用于广泛部署，有助于加速几个大批量商业市场中“软件定义无线电”的趋势。在本白皮书中，我们重点介绍了一些HEP应用，其中领先的RF微电子技术可以成为关键推动因素。
英文摘要：
For many decades High Energy Physics (HEP) instrumentation has been concentrated on detectors of ionizing radiation -- where the energy of incident particles or photons is sufficient to create mobile charge in gas, liquid, or solid material, which can be processed by front end electronics (FEE) to provide information about the position, energy, and timing of the incident radiation. However, recently-proposed HEP experiments need to sense or control EM radiation in the radiofrequency (RF) range, where ionization detectors are unavailable. These experiments can take advantage of emerging microelectronics developments fostered by the explosive growth of wireless data communications in the commercial sector. Moore's Law advances in semiconductor technology have brought about the recent development of advanced microelectronic components with groundbreaking levels of analog-digital integration and processing speed. In particular, RF "System-on-Chip" (RFSoC) platforms offer multiple data converter interfaces to the analog world (ADCs and DACs) having bandwidths approaching 10GHz and abundant digital signal processing resources on the same silicon die. Such devices eliminate the complex PC board interfaces that have long been used to couple discrete ADCs and DACs to FPGA processors, thus radically reducing power consumption, impedance mismatch, and footprint area, while allowing analog preconditioning circuits to be eliminated in favor of digital processing. Costed for wide deployment, these devices are helping to accelerate the trend towards "software defined radio" in several high-volume commercial markets. In this whitepaper we highlight some HEP applications where leading-edge RF microelectronics can be a key enabler.
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