Parallel Correlator
Data samples are held in a long shift register; Pilot PN sequence is held in Reference Pattern Register
Contents multiplied and integrated each time a new sample is loaded into the shift register
Example:
- 256-tap, 4 bit wide parallel correlator
- With input clock frequency of 20 Mhz, new correlation sum produced every 50 ns ? 20 Giga-Operations Per Second.
- Results: 3800 LEs, Fmax= 45Mhz (EPF10K200S)