The SDST from General Dynamics Mission Systems is a Satellite Transponder with an X-Band UL frequency range of 7.145-7.235 GHz and a DL frequency range of 8.400-8.500 GHz. This transponder has a Ka-Band DL frequency range of 31.800-32.300 GHz and a noise figure of 2.1 dB. It has a sensitivity of -158 dBm and a carrier delay variation of 0.5 ns. The transponder is Deep Space network compatible and features redundant I/O for cross-strapping. It supports MIL-STD-1553B data interface and requires an input supply of 22-36 VDC. The transponder is SEU tolerant and has a radiation tolerance TID of up to 100 krad. It has a mass of 3.2 Kg and measures 7.13 x 6.55 x 4.50 inches. The transponder is ideal for X-Band and Ka-Band telecommunications with the NASA Deep Space Network and deep space missions.
