A low jitter direct digital frequency synthesized frequency shift keyed modulator has {HEAD ~ a tapped delay line} to provide {TAIL ~ polyphase sampling} of an asynchronous data input signal 
to provide
A low jitter direct digital frequency synthesized frequency shift keyed modulator has { HEAD ~ a tapped delay line } to provide { TAIL ~ polyphase sampling } of an asynchronous data input signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH