Product Overview. SIGLENT’S SSG3000X RF Signal Generators have a frequency range of 9 kHz to 2.1 GHz/3.2 GHz. They provide normal analog modulation such as AM, FM, and PM. They also provide pulse modulation and pulse train generator. In addition, when used with baseband generator such as the SDG6000X, they can generate IQ modulated signals. RF Signal Generator, RF, 4 GHz, 1 Channel, TSG4100A, ASK, FSK, MSK, PSK, QAM, VSB, 3 Years. TEKTRONIX. You previously purchased this product. View in Order History. Each 1+ Restricted Item . Minimum order of 1 items Multiples of 1 only Please enter a valid quantity. Add. Min: 1.