Title :
A 480 MHz variable rate QPSK demodulator for direct broadcast satellite
Author :
Tewksbury, T. ; Palmer, W. ; Fernald, K. ; Liebetreu, J.
Author_Institution :
Analog Devices Inc., Wilmington, MA, USA
Abstract :
A two-chip set integrates all functions required to demodulate and decode a 480 Mhz QPSK signal at data rates from 10 to 85 Mb/s. By optimizing the system as a whole and exploiting feedback between the two chips implementation is efficient and cost-effective.
Keywords :
demodulators; direct broadcasting by satellite; quadrature phase shift keying; 10 to 85 Mbit/s; 480 MHz; direct broadcast satellite; feedback; two-chip set; variable rate QPSK demodulator; Baseband; Clocks; Demodulation; Feedback; Filters; Local oscillators; Quadrature phase shift keying; Sampling methods; Satellite broadcasting; Voltage-controlled oscillators;
Conference_Titel :
Solid-State Circuits Conference, 1997. Digest of Technical Papers. 43rd ISSCC., 1997 IEEE International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-3721-2
DOI :
10.1109/ISSCC.1997.585272
