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I'm using nmos as a switch shown in fig. 1.
**broken link removed**
fig. 1
The clk is 10 GHz and data is 40GHz. However, the output is not 10GHz and suffers from great distortion(fig. 2). I tried to change the W/L, thinking maybe decreasing the capacitance will help, but it turned out not being...
I am working on phase detector and flip flop is one essential part of it. However, I cannot find many useful reference on flip flops that could work beyond 10+GHz. Right now I only find one of Razavi's paper on 40Gb/s CDR circuit, but I don't quite understand it.
So can anyone recommend any...
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