Get your hands on a brand new Agilent E82257N Sweep Generator. Free seven-day trials on Agilent E8257N. Learn when your colleagues will have the equipment onsite or sign up for your own no-obligation trial below. Limited slots available Available only to U.S. government agencies, military branches and qualified federal contractors. Agilent E8257N Agilent E8257N datasheet Generator, Sweep, 40 GHz The Agilent Technologies E8257N signal generator is an electronic instrument that generates repeating electronic signals. It contains an electronic oscillator, a circuit that is capable of creating a repetitive waveform.