Agilent/HP / Signal Generator / E4433B/1E5 
250 kHz to 4 GHz frequency range
?RF modulation bandwidth up to 35 MHz
?Optional dual arbitrary waveform generator 
and/or real-time I/Q baseband generator
?40 MHz sample rate and 14-bit I/Q resolution
?1 Msample (4 MB) memory for waveform playback and
 1 Msample (4 MB) memory for waveform storage
?Custom digital modulation (>15 variations of FSK, MSK, PSK, and QAM),
?AM, FM, phase modulation, pulse modulation, and step/list sweep 
(frequency and power)