The National High Technology Research and Development Program of China (863 Program)(No. 2007AA01Z2a5);the National Natural Science Foundation of China (No. 60806027,61076073);Specialized Research Fund for the Doctoral Program of Higher Education (No.20090092120012)
In order to make a 10 Gbit/s 2:1 half-rate multiplexer operate without external clocks, a 5 Gbit/s clock recovery (CR) circuit is needed to extract the desired clock from one input data. For the CR circuit, a 3-sta...