100 kHz to 2.6 GHz. The 8657B is a versatile signal generator offering a variety of features, such as simultaneous and mixed modulation combinations of AM and FM, as well as a carrier phase adjust capability that allows you to characterize phase-sensitive devices. In addition, the 8657B offers a wide output range, +13 to -143.5 dBm, with superior level accuracy of 1.0 dB. Built for reliability, the 8657B uses an all-electronic attenuator to ensure that you will make consistent, repeatable measurements every time.
