Description: In digital communication, usually from receiving directly in digital signal extracted a synchronized signal, the direct method according to the extraction synchronized signal way, can be roughly divided into filtering method and phase lock method. Phase lock method is using of phase locked loop to extract a synchronized signal method, the design scheme is based on phase locked loop of a synchronous extraction method and can be quickly extract a synchronous clock, and design simple, convenient modification parameter. The Quartus II design software of the system, and the simulation test Altera Cyclone II FPGA chip to achieve Ep2c5 series.
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weitb\altpll0.bsf
.....\altpll0.ppf
.....\altpll0.qip
.....\altpll0.v
.....\altpll0_bb.v
.....\altpll0_inst.v
.....\and1.qip
.....\and1.v
.....\and1_bb.v
.....\and_1.qip
.....\and_1.v
.....\and_1_bb.v
.....\and_1_inst.v
.....\and_2.qip
.....\and_2.v
.....\and_2_bb.v
.....\and_2_inst.v
.....\Block1.bdf
.....\counter.bsf
.....\counter.qip
.....\counter.v
.....\counter_bb.v
.....\counter_inst.v
.....\counter_syn.v
.....\counter_wave0.jpg
.....\counter_waveforms.html
.....\db\cmpr_8cc.tdf
.....\..\cntr_0cg.tdf
.....\..\cntr_2cg.tdf
.....\..\cntr_3cg.tdf
.....\..\cntr_inh.tdf
.....\..\logic_util_heursitic.dat
.....\..\mux_7oc.tdf
.....\..\prev_cmp_weitb.asm.qmsg
.....\..\prev_cmp_weitb.eda.qmsg
.....\..\prev_cmp_weitb.fit.qmsg
.....\..\prev_cmp_weitb.map.qmsg
.....\..\prev_cmp_weitb.qmsg
.....\..\prev_cmp_weitb.sim.qmsg
.....\..\prev_cmp_weitb.tan.qmsg
.....\..\wed.wsf
.....\..\weitb.ae.hdb
.....\..\weitb.asm.qmsg
.....\..\weitb.asm.rdb
.....\..\weitb.asm_labs.ddb
.....\..\weitb.cbx.xml
.....\..\weitb.cmp.bpm
.....\..\weitb.cmp.cdb
.....\..\weitb.cmp.ecobp
.....\..\weitb.cmp.hdb
.....\..\weitb.cmp.kpt
.....\..\weitb.cmp.logdb
.....\..\weitb.cmp.rdb
.....\..\weitb.cmp.tdb
.....\..\weitb.cmp0.ddb
.....\..\weitb.cmp2.ddb
.....\..\weitb.cmp_merge.kpt
.....\..\weitb.db_info
.....\..\weitb.eco.cdb
.....\..\weitb.eda.qmsg
.....\..\weitb.eds_overflow
.....\..\weitb.fit.qmsg
.....\..\weitb.hier_info
.....\..\weitb.hif
.....\..\weitb.lpc.html
.....\..\weitb.lpc.rdb
.....\..\weitb.lpc.txt
.....\..\weitb.map.bpm
.....\..\weitb.map.cdb
.....\..\weitb.map.ecobp
.....\..\weitb.map.hdb
.....\..\weitb.map.kpt
.....\..\weitb.map.logdb
.....\..\weitb.map.qmsg
.....\..\weitb.map_bb.cdb
.....\..\weitb.map_bb.hdb
.....\..\weitb.map_bb.logdb
.....\..\weitb.pre_map.cdb
.....\..\weitb.pre_map.hdb
.....\..\weitb.rpp.qmsg
.....\..\weitb.rtlv.hdb
.....\..\weitb.rtlv_sg.cdb
.....\..\weitb.rtlv_sg_swap.cdb
.....\..\weitb.sgate.rvd
.....\..\weitb.sgate_sm.rvd
.....\..\weitb.sgdiff.cdb
.....\..\weitb.sgdiff.hdb
.....\..\weitb.sim.cvwf
.....\..\weitb.sim.hdb
.....\..\weitb.sim.qmsg
.....\..\weitb.sim.rdb
.....\..\weitb.sld_design_entry.sci
.....\..\weitb.sld_design_entry_dsc.sci
.....\..\weitb.smart_action.txt
.....\..\weitb.syn_hier_info
.....\..\weitb.tan.qmsg
.....\..\weitb.tis_db_list.ddb
.....\dff.qip
.....\dff.v
.....\dff_2.qip
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