The HSX Series are broadband, phase coherent frequency sources that are available in five frequency configurations from 10 MHz to 3 GHz, 6 GHz, 12 GHz, 24 GHz and 40 GHz. They have industry leading phase noise and spectral purity performance coupled with a highly accurate dynamic range from -110 to 20 dBm. They are available in 1, 2, 3 or 4 channel Custom COTS models that can be ordered with any combination of frequency options. The HSX Series exhibits optimal phase coherency between each channel providing the ultimate in channel-to-channel stability.