{HEAD ~ a second variable capacitor} coupled to the second DAC and {TAIL ~ the second buffer}, the capacitance value of the second variable capacitor corresponding to the second control voltage 
coupled to
{ HEAD ~ a second variable capacitor } coupled to the second DAC and { TAIL ~ the second buffer } , the capacitance value of the second variable capacitor corresponding to the second control voltage
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH