{HEAD ~ a component} configured to provide {TAIL ~ a local oscillator signal} using a sample of a transmitter signal; and 
configured to provide
{ HEAD ~ a component } configured to provide { TAIL ~ a local oscillator signal } using a sample of a transmitter signal ; and
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH