LMH7324 Quad 700ps High Speed Comparator with RSPECL Outputs Evaluation Board
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- AN-1683 LMH7324 High Speed Comparator Evaluation Board (Rev. A)
(PDF 1513 KB)
01 May 2013
This board is designed to demonstrate the LMH7324 quad comparator with RSPECL outputs. It will facilitate the evaluation of the LMH7324 configured as a window detector. The board detects the level of the incoming signal and presents the outcome in a 3-bit presentation. One bit indicates that the signal is below the lowest window level, another bit indicates that the signal is above the highest window level, and the third bit indicates that the incoming signal is just between both set levels. All three outputs are fed to SMA connectors mounted at the edge of the board. The impedance of the output track is 50?which makes it easy to connect these signals to any scope or analyzer by the use of a 50?coaxial cable. Each comparator of the LMH7324 has individual positive supplies for the input and output circuits. The negative supply is common for all input and output circuitry.