• X-Ray spectrometer (SOXS) was flown onboard
GSAT-2 on 8 May 2003. • SOXS employs Si and
CZT semiconductor devices, which are extremely high resolution and low noise detectors. • Detector package is mounted on a sun pointing mechanism with tracking accuracy better than 0.1 degree. •
Pulse height (PHA) measurements in 256 channels • System dead time - 16
microseconds for Si Pin and 13 microseconds for CZT • Energy window counters • On board calibration using
Cd109 radio isotope • System health parameters monitoring • Onboard selection for background rejection (LLD/threshold) • In view of
temperature sensitivity of the detectors, observational interval is < 3 hrs starting from 04:00 to 06:45 UT. • Block schematics of SLD Payload (SLED, SFE, SLE and SCE) • SSTM daily tracking (0 to 189 degrees) ==References==