Gaussian noise sources are commonly used to generate random or Gaussian jitter for testing of optoelectronic devices. Feeding a broadband amplified noise module into phase modulator produces the jitter to mimic real world conditions. The Optical Internetworking Forum (OIF) has adopted the Common Electrical I/O (CEI) project, which stipulates signaling requirements of these devices including Gaussian Jitter.
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Link to Surface Mount Noise Sources product data sheets |