用多路光纤2 G采样/s FADC数据采集系统升级MAGIC望远镜
Upgrade of the MAGIC Telescope with a Multiplexed Fiber-Optic 2 GSamples/s FADC Data Acquisition system
摘要：
2007年2月，用于伽马射线天文学的MAGIC空气切伦科夫望远镜被全面升级，配备了快速的2G采样/秒数字化系统。升级后的读出系统采用了一种新的光纤多路复用技术。它由10位2GSamples/sFADC和光纤组成，可连续传输16路模拟信号。采用千兆以太网和光纤通道技术的分布式数据采集系统允许以高达1 kHz的连续速率读取100 kByte事件。
英文摘要：
In February 2007 the MAGIC Air Cherenkov Telescope for gamma ray astronomy was fully upgraded with a fast 2 GSamples/s digitization system. The upgraded readout system uses a novel fiber-optic multiplexing technique. It consists of 10-bit 2 GSamples/s FADCs to digitize 16 channels consecutively and optical fibers to delay the analog signals. A distributed data acquisition system using GBit Ethernet and FiberChannel technology allows to read out the 100 kByte events with a continuous rate of up to 1 kHz.
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