Discontinuance Notice On 1 March 2007, the 8648x Series signal generators will be discontinued. Agilent will continue to support these products until 1 March 2012. The recommended replacement is the Agilent MXG analog signal generator. The Agilent MXG analog offers frequency ranges up to 6 Hz, fast frequency and amplitudeswitching, analog and pulse modulation, high reliability, and simplified design for easy self-maintenance - all in two rackunits (2RU). For more information visit