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CDMA Receivers
CDMA Receivers
Sameer Centre offers CDMA Receiver. This consists of a front-end converter, a digital demodulator, and MIL-1553 controller. The front-end converter receives RF signal in the selected frequency range and down converts to appropriate IF. The base band signal is demodulated and digitised using a 4-bit A/D converter. The digitised output is given to the digital correlator for de-spreading data. Gold code of 127-bit length is used in the digital correlator for data extraction. The de-spread data is given to the MIL-1553 controller for further processing and data transmission through MIL BUS and RS 422 port. Features: high dynamic range; low S/N performance; BER better than 1x10(6; health monitoring by local and remote mode; low locking time - cold start time: