The Agilent E5504B phase noise measurement solution simplifies ATE test times for one-port VOC’s, DROs, crystal oscillators and synthesizers and maximizes capability for R& D benchtop applications. The Agilent E5504B phase noise measurement solution has been designed to simplify phase noise measurements of one-port VCOs, DROs, crystal oscillators, and synthesizers and to maximize the capability for R&D benchtop applications. In addition, with a standard offset range capability from 0.01 Hz to 100 MHz, the Agilent E5504B provides the capability, flexibility and versatility to meet changing and demanding needs placed upon the R&D engineer. By building upon 30 years of Agilent Technologies low phase noise, RF design and measurement experience, the Agilent E5504B solution continues to provide excellent measurement integrity, repeatability and accuracy.