https://www.electronicdesign.com/technologies/components/article/21768134/ccso-delivers-true-sine-wave-at-1-ghz
CCSO Delivers True Sine Wave At 1 GHz | Electronic Design
Using a FR5 PCB and surface acoustic wave crystal technology, the CCSO-914X3-1000 saw clock oscillator (CCSO) module provides a 1-GHz, true sine wave output...
true sine waveat 1ccsodeliversghz