... clock signal. CC81231 offers high-precision cesium clock level’s clock signal and can be widely in ... clocks. CC81231 is very suitable for SDH digital synchronization network-level node clock 1,2.CC81231 can be ... 1 Road, target the same 10MHz1PPS 4, BNC, TTL level, 50Ω Time synchronization accuracy: better than ± 20ns ... <10ns Jitter: <1ns IRIG-B DC Code TTL level, BNC, 4 WayIRIG-B DC Code 4, RS- ...