... up to 300MHz . DDS SIGNAL GENERATOR HG2461 IV - DDS RF SIGNAL GENERATORFeature. Signal frequency up to 300MHz. DDS Technology provides ... for a superior signal with lowdistortion and high stability. Both RF output and function output. 3.5'' QVGA color LCD ... 232 interface and USB, GPIB optional. Versatile modulationAM, FM, PM, FSK, PSK, Sweep, Burst. Variety of waveformsSine, square, pulse, triangle, ...